Which software is used for billing?

Billing software automates invoicing and payment management for products and services sold. It generates invoices, calculates taxes, manages recurring subscriptions, tracks payment status, and supports revenue reporting. Advanced billing systems can also handle failed payment recovery (dunning), complex pricing models, and integrations with accounting, ERP, CRM, and payment processing platforms. Common off-the-shelf solutions include QuickBooks for small businesses, NetSuite for mid-market organizations, and Zuora or Chargebee for subscription-based businesses. However, companies with complex pricing structures, compliance requirements, high transaction volumes, or specialized integration needs often require custom billing software tailored to their business processes.

Is ERP a billing system?

No, an ERP system is not a billing system. ERP platforms such as SAP, Oracle ERP, and Microsoft Dynamics 365 include financial modules that support accounts receivable, general ledger management, and financial reporting, but they are not purpose-built for billing operations. Modern billing systems provide capabilities that ERP financial modules typically lack, including subscription billing, usage-based pricing, proration, dunning automation, invoice customization, and complex pricing rules. For this reason, many organizations implement custom billing software either as a dedicated billing layer that feeds processed financial data into the ERP or as a replacement for the ERP’s limited billing functionality. SPD Technology develops both standalone billing platforms and ERP-integrated billing systems that synchronize invoices, payments, and revenue data with enterprise financial systems through secure APIs.

Is CRM a billing system?

No, a CRM system is not a billing system. CRM platforms such as Salesforce and HubSpot are designed to manage customer relationships, sales activities, contracts, and communications rather than invoice generation, payment processing, or subscription management. However, CRM data often serves as a critical input for billing workflows. For example, when a deal is marked as closed in a CRM system, the billing platform can automatically generate invoices, create payment schedules, or activate subscription plans. Integrating CRM and billing systems helps ensure that customer information, contract terms, invoice status, and payment activity remain synchronized across departments. SPD Technology builds billing platforms with bidirectional CRM integrations that reduce manual data entry, improve data accuracy, and help eliminate reconciliation issues between sales and finance teams.

How to create billing software?

Creating custom billing software starts with defining pricing models, billing workflows, compliance requirements, and integration needs. Whether the solution supports subscription, usage-based, or hybrid billing determines the system architecture and core functionality. The platform must support secure payment processing, invoice generation, subscription management, customer portal functionality, reporting, and data synchronization with existing business systems. Development typically includes building billing and payment workflows, integrating payment gateways, and connecting the platform with ERP, CRM, accounting, and other business applications through APIs. Because billing software directly impacts revenue operations, most organizations work with an experienced billing software development company to reduce implementation risk and ensure long-term scalability.

How much does it cost to develop custom billing software?

Costs typically range from $50,000 to $200,000+ , depending on project complexity. Key cost drivers include business requirements, pricing model complexity, third-party integrations, compliance obligations, and the chosen technology stack. A basic MVP that includes essential invoicing functionality is on the lower end, while enterprise systems with custom compliance logic, diverse payment gateways, and deep CRM integrations require a higher investment. Enterprise billing systems generally require substantial engineering effort due to their security, compliance, integration, and scalability requirements.

How long does custom billing software development take?

The timeline for custom billing software development depends on the scope, complexity, and integration requirements of the project. A billing MVP with invoice generation, a single payment gateway integration, and a standard pricing model can often be delivered in 8–16 weeks . More advanced billing platforms that support subscription billing, usage-based pricing, tiered pricing, ERP and CRM integrations, multi-currency operations, tax compliance, and custom reporting typically require 4–9 months to implement. One of the biggest factors affecting delivery timelines is the discovery phase. Organizations with complex pricing rules, contract-based billing, proration logic, discount structures, or legacy system dependencies require detailed requirements analysis before development begins. A structured discovery process helps define the project scope, reduce delivery risks, and establish a realistic implementation roadmap.

How to choose a billing software development company?

Choosing the right billing software development company requires evaluating more than just technical capabilities. Five factors are particularly important. Compliance expertise. Billing systems often operate within PCI DSS, SOC 2, GAAP/IFRS revenue recognition requirements, and industry-specific regulations. Look for a partner with experience building software in your regulatory environment. Integration expertise. Billing platforms must connect with payment gateways, ERP systems, CRM platforms, accounting software, and other business applications. Ask vendors for specific examples of integrations they have implemented rather than general API integration claims. Pricing model expertise. Subscription billing, usage-based billing, tiered pricing, contract billing, and hybrid revenue models all require different technical approaches. Verify that the company has experience with the pricing structures your business uses. Scale and reliability. Billing systems support revenue-critical operations. Vendors that have built platforms handling large transaction volumes and complex financial workflows are more likely to understand the performance, security, and availability requirements involved. Long-term support. Billing software evolves alongside your business. Tax regulations change, payment methods expand, and pricing strategies become more sophisticated over time. Choose a development partner that can provide ongoing maintenance, enhancements, and integration support after launch.

Billing Software Development

We build custom billing software for organizations that need to manage complex pricing models, compliance requirements, and high-volume transaction processing. Since 2006, we have delivered billing software solutions across insurance, fintech, eCommerce, and legal services, including a platform that helped increase ACH payment adoption by 3x.

Tell Us About Your Project

SPD Technology
Billing Software Development

Planning to Build a Custom Billing Solution?

SPD Technology is a billing software development company with 20+ years of experience in fintech engineering. We have built enterprise billing systems for insurers, payment platforms, and legal service providers that require simultaneous accuracy, compliance, and scalability.

We specialize in high-load fintech applications and payment software development for enterprise billing infrastructure, bringing deep domain expertise to every project. Our experience includes engineering billing and payment systems for global market leaders, helping them manage complex pricing models, automate revenue operations, and support growing transaction volumes.

Proven expertise. Our experience is backed by collaborations with global industry leaders, including Poynt, Black Hawk Networks, PitchBook, and Pie Insurance.
Industry specialization. We carefully tailor our solutions to the unique requirements of industries, including eCommerce, Fintech, LegalTech, and Insurance.
Comprehensive coverage. Our approach covers a wide range of business needs, including customization, integration with existing systems, robust security, and regulatory compliance.
Global clientele. We serve major clients with annual revenue exceeding $100M across the US, UK, Israel, Mexico, and other markets.

Talk to an Expert

Custom Billing Software Development Services

We deliver advanced custom solutions backed by scalable infrastructure to support complex billing requirements and future growth. Building billing software from scratch is complex, particularly in security and integration. However, the result is a custom invoicing software solution that addresses your unique business needs and streamlines even the most complicated workflows.

Start Your Project Today

Custom Billing Software Development
At SPD Technology, we focus on building custom software that precisely meets business needs. We create advanced custom solutions, supported by scalable infrastructure, to handle complex billing needs and future expansion. Whether you require subscription billing, usage-based billing, or recurring invoicing software, our skilled team can create a custom solution that supports various billing cycles and models, such as a merchant subscription management system for the Black Hawk Networks (BHN) payment processing company or merchant onboarding automation features for the Poynt open-commerce platform. We customize invoicing software to fit your specific workflows, offering improved efficiency, security, and capabilities like ERP integration that off-the-shelf solutions cannot match.
Invoicing Portal Development
SPD Technology focuses on custom software designed to meet your specific business needs, especially in building billing and invoicing systems. These can be standalone or integrated features within full-cycle payment processing solutions. You can perform batch invoicing and create professional invoices with customizable templates and branding options. We provide advanced solutions supported by scalable infrastructure to handle complex billing needs and future expansion. Our systems feature enhanced security, smooth integration, and operational efficiency that off-the-shelf options can’t match. Our team develops tailor-made solutions for any model. We have successfully delivered high-value systems, such as a subscription subsystem for BHN, invoice automation for Poynt, and custom notary billing platforms.
Enterprise-Level Billing Systems Development
As a partner serving medium-sized to globally represented businesses, we are keen to create enterprise-level billing solutions. We integrate with accounting software and payment gateways, enabling you to manage billing workflows, automate invoice generation, and streamline financial operations across your organization. Our teams have a deep understanding of enterprise-specific scalability demands, the vast number of necessary integrations (ERP, CRM), complex user permissions and roles, and the high level of flexibility required for reporting and analytics. Custom billing software can provide thorough reports and analytics on revenue and online payment transactions. The underlying software architecture is engineered to support rapid scaling, maintaining performance stability even as user loads and data volumes surge.
Subscription (Recurring) Billing App Solutions
Automated billing software development is one of our core competencies. Subscription management and billing functionality are part of the aggregated merchant portal (AMP) we developed for Black Hawk Networks. Our solutions integrate with accounting systems via APIs, ensuring accurate financial data synchronization and streamlined revenue operations. We build platforms that support recurring invoices, payment reminders, customer self-service portals, and automated handling of renewals, proration, overdue payments, and failed transactions. Through payment gateway integration services, we enable flexible payment experiences across multiple channels. We provide end-to-end subscription revenue management for SaaS companies, supporting seat-based and usage-based pricing, mid-cycle upgrades and downgrades with accurate proration, trial-to-paid conversion flows, and dunning automation.
Billing & Invoicing System Integration
As part of our automated billing software development service, we can seamlessly integrate a newly created system with your accounting, inventory management, ERP, or CRM system to ensure uninterrupted customer data sync, accurate invoice generation, and effective billing automation. To achieve this, we identify suitable APIs, map data fields between billing software and systems, customize the billing software to support specific data formats, and configure the integration for real-time synchronization. When Sales and Finance share data, billing software boosts satisfaction by streamlining the invoicing process and eliminating disputes over manual entry. We also ensure the secure management and safeguarding of customer details, maintain compliance with security standards, and protect sensitive financial information. Integrating billing software with other systems helps prevent integration issues and ensures smooth business operations.
Legacy Billing System Modernization
In addition to other billing and payment software development services we provide, our team can transform a legacy billing platform into a streamlined and revenue-driving solution with a modern user interface. The modernisation of an insurance payment processing system allowed Pie Insurance, one of our InsurTech clients, to increase its ACH payment users threefold. As part of this project, we added more robust custom invoicing software features and a wider range of online payment options. We upgrade payment processing capabilities, support different payment methods, including digital wallets, and automate billing workflows to improve efficiency. We also design software architecture to handle increased user loads and data volumes as your business grows. Ongoing support includes bug fixes, security patches, updates, and user training after deployment.

Our Time-Tested Approach to Billing Software Development

At SPD Technology, we are proud to earn our clients’ trust through our compliance-first billing software development, the simultaneous use of multiple data security measures, and our deep understanding of the specifics of billing fraud and how to combat it.

Get a Security Assessment

Data Security
Our billing and payment software development team is committed to delivering a secure financial ecosystem for your business. We focus on safeguarding sensitive financial data and integrating compliance and security functionalities into every solution. With this goal in mind, we leverage such data security measures as encryption, tokenization, and multi-factor authentication, regular security audits and data backups, secure coding, secure APIs, and password policies. We also strictly implement granular access controls and prepare response plans and protocols.
Regulatory Compliance
Ensuring regulatory compliance is integral to our approach to developing customized billing software. In addition to complying with payment processing software regulations, such as PCI DSS, SOC 2, and PCD, we ensure strict adherence to financial industry requirements, including but not limited to IFRS, GAAP, and ASC 606. For healthcare billing software, we also adhere to HIPAA compliance to protect sensitive patient data and meet industry-specific regulatory standards. We also uphold tax compliance by supporting different regional tax frameworks and enabling real-time tax reporting within our billing systems.
Payment Fraud Protection
Our expertise in AI-powered billing fraud detection and payment protection enables us to develop and embed advanced fraud prevention features into billing software solutions. To protect your billing system from fraud-related risks, we can embed secured authentication and authorization algorithms, enable device fingerprinting and customizable payment thresholds, plus leverage machine learning expertise to continuously analyze and adapt to emerging fraud patterns. We also support risk scoring, transaction monitoring, and anomaly detection.

Billing Software Integrations Across Your Revenue Ecosystem: Payment, Accounting, ERP, CRM

Drawing on experience in fintech software development and financial platform engineering, we build billing software that works seamlessly with the systems powering payments, accounting, customer management, and financial reporting. We integrate custom billing platforms with leading payment gateways, ERP systems, accounting tools, and SaaS infrastructure to automate revenue workflows, reduce reconciliation effort, and improve reporting accuracy across the entire revenue lifecycle.

Payment Gateways

We integrate billing software with payment providers such as Adyen, Stripe, PayPal, Braintree, Authorize.Net, and ACH payment networks. Our engineers implement secure workflows for recurring billing, payment authorization, settlement, refunds, chargebacks, and reconciliation. The result is a billing ecosystem that aligns payment processing with subscription management and financial operations while supporting PCI DSS-compliant payment capture and reporting.

SPD Technology is an official Adyen service partner. Explore our partner page for direct verification.

Success Stories
with Global Impact

SPD Technology designs and develops transformative software solutions that drive innovation, new revenue streams, and market leadership.

See All Cases

Automated Billing & Data Management for Pie Insurance’s Growth

Industry: Insurance
Country: USA
Team Size: 14

Feature-Rich Billing Platform: We delivered a solution that allows managing billing plans, tracking premiums, payments, and equity, controlling policy cancellations, handling commissions, and more.
Reduced Operational Time Thanks to Data Engineering: We built an Operational Data Maintenance application that retrieves data from multiple disparate sources like spreadsheets or CSV files and updates them constantly, eliminating manual efforts.
Average Check Grew by 30%: Attracted more users to Pie Insurance services as a result of introducing additional payment alternatives.

View Case Study

Creating a Unified Platform for Seamless Private Investment Management

Industry: Finance, Payments & Fintech
Country: USA
Team Size: 5

Scalable Data Ingestion Service: Successfully developed a scalable data ingestion service, enabling near real-time data retrieval from diverse 3rd party providers including Newscatcher, Owler, and S&P.
Appealing Contemporary UI/UX: The SPD Technology team developed a new contemporary, visually appealing, and comprehensive design. This redesign enhances user experience and aligns with modern design standards.

View Case Study

Developing a B2B Legaltech Solution for a LATAM Startup

Industry: LegalTech
Country: Mexico
Team Size: 8

Modern AI-Powered Web Platform: A highly customized software solution we created resulted in significant cost savings, groundbreaking functionality, and limitless scalability compared to an existing legacy platform.
Improved Speed of Document Processing: Our AI/ML model helps the employees of a client to extract needed information from documents much faster. Human experts only need to correct and check the model’s results. The AI/ML models are in the constant enhancement process with continuous data labeling, so the speed of document processing will only improve over time.

View Case Study

Our Clients are Happy

To share their experiences

Alex Samano
Co-Founder & CEO, Mogami App

SPD Technology has done a great job of maintaining the lifeblood of their codes. They’re transparent with pricing models and deliver within budget. Their dedicated teams act as an extension of the partner’s company. Responsibility and a commitment long-term partnership are two hallmarks of their work.
Fabrice Forget
Chief Product Officer, PitchBook

We feel very lucky to have found SPD Technology as our partner. Over the last 10 years, they have totally surpassed our expectations, and day after day we have received incredible value from the team. Here is the secret sauce, just put together your best ideas in your requirements and there is nothing they can’t do!
John Gabbert
Founder and CEO, PitchBook Data

Customers are king at PitchBook and SPD Technology shares in this mission. For the last 13 years, SPD Technology has helped us scale product development and continuously deliver the product functionality our clients need to make smarter decisions.
Prasad Sridhar
Senior Engineering Manager eCommerce Solutions Company

SPD Technology’s work has been praised by the client for their consistency and high quality. Their communicative, responsive, and flexible project management ensures a positive collaboration. Ultimately, their professionalism and forward-thinking are impressive.
Shariq Ahmad
Head of Technology, Morningstar, Inc

All of their developers and technology staff are highly talented and very professional. Working with SPD felt like we were working with an internal team. They are always accessible any time of the day and very flexible in providing support to our users who are globally distributed.

Our Clients are Happy

To share their experiences

Sara Lufrano

Principal Technical Product Manager, Space Needle

Always delivered on time. Highly responsive to our needs. 10/10.

Alex Samano

Co-Founder & CEO, Mogami App

SPD Technology has done a great job of maintaining the lifeblood of their codes. They’re transparent with pricing models and deliver within budget. Their dedicated teams act as an extension of the partner’s company. Responsibility and a commitment long-term partnership are two hallmarks of their work.

Fabrice Forget

Chief Product Officer, PitchBook

We feel very lucky to have found SPD Technology as our partner. Over the last 10 years, they have totally surpassed our expectations, and day after day we have received incredible value from the team. Here is the secret sauce, just put together your best ideas in your requirements and there is nothing they can’t do!

John Gabbert

Founder and CEO, PitchBook Data

Customers are king at PitchBook and SPD Technology shares in this mission. For the last 13 years, SPD Technology has helped us scale product development and continuously deliver the product functionality our clients need to make smarter decisions.

Prasad Sridhar

Senior Engineering Manager eCommerce Solutions Company

SPD Technology’s work has been praised by the client for their consistency and high quality. Their communicative, responsive, and flexible project management ensures a positive collaboration. Ultimately, their professionalism and forward-thinking are impressive.

Shariq Ahmad

Head of Technology, Morningstar, Inc

All of their developers and technology staff are highly talented and very professional. Working with SPD felt like we were working with an internal team. They are always accessible any time of the day and very flexible in providing support to our users who are globally distributed.

Steve Carner

Founder CEO, Home Hub

The team at SPD Technology exceeds expectations. Their professional communication style makes them stand out, They’re a skilled group of detailed-oriented workers. Customers can expect a team that provides helpful suggestions to better their clients.

Develop reliable billing & invoicing software that sets a new standard for efficiency.

Billing & Invoicing Software Development Challenges We Handle

Billing software must do more than generate invoices. It needs to support complex business models, integrate with existing systems, comply with regulatory requirements, and provide visibility into financial performance. Our billing software development process is designed to address these challenges while supporting long-term scalability and operational efficiency. Equipped with expertise in billing platforms, payment software development, and fintech systems, we handle development challenges with foresight.

Industry-Specific Customization
At SPD Technology, we are proud of our extensive experience developing industry-specific billing solutions. The billing system we recently developed includes specific functionalities tailored to the insurance sector, including, but not limited to, processing billing installments for all company insurance policies, calculating equity, triggering non-payment cancellations, and generating reports by customer group. Our solutions also support time tracking, billable hours, and expense tracking to enable detailed financial management and accurate invoicing through customizable invoice templates. For service-based businesses, the ability to track billable hours and streamline the invoicing process is crucial for accurate financial reporting and efficient project billing.
Reporting and Analytics Gaps
You can’t fix what you don’t measure. Robust financial reporting and analytics in billing software should give you instant visibility into the lifeblood of your business: monthly recurring revenue (MRR) and cash flow. To achieve this goal, we collaborate closely with stakeholders to elicit precise requirements and, as a result, develop efficient reporting functionality that enables informed decision-making. We create customizable dashboards and reporting tools that track key financial metrics, including churn rate, MRR, cash flow, and accounts receivable turnover ratio. A billing app helps you manage payment history, analyze patterns, and ensure real-time financial visibility, billing accuracy, and compliance.
Multi-Region Tax Calculation Challenges
In addition to other technical challenges our company can handle, we have experience addressing the diverse tax structures across different countries. A notable example is our collaboration with a real estate company, where we seamlessly integrated a comprehensive tax calculator into the app, enabling dynamic recalculation based on multiple parameters. Accurate invoice data and real-time payment status tracking are critical for ensuring compliance across multiple regions. Supporting multiple payment methods, including credit cards, bank transfers, and digital wallets, further enhances transaction security and provides customers and SaaS buyers with convenient options and flexibility at checkout.
Integration into a Broader Payment Ecosystem
To address the challenge of poor integration between a newly created platform and existing solutions, our approach is rooted in strategic planning. Before starting billing software development, we conduct a comprehensive analysis of your existing software ecosystem, identify potential integration points, and ensure the new billing system is seamlessly aligned with CRM, ERP, POS, and accounting software. This integration improves financial operations, supports finance teams by reducing manual reconciliations, and minimizes double data entry. Streamlining billing operations, including invoice generation, recurring billing, and payment management, ensures efficient workflows and improved cash flow management.

Industry-Specific Billing Solutions Tailored to Suit Your Business

We have been helping companies from different niches optimize their payment management process with sophisticated billing solutions for more than two decades. Modern billing software solutions now offer advanced, customizable, and secure features to address the evolving needs of businesses across industries.

Insurance Billing Software
As one of the leading industries we serve, we deeply understand the specific requirements insurance companies have for their billing systems. The custom billing software we engineered for Pie Insurance now serves as a centralized hub for accurate recording, tracking, and reporting of premium billing, payment plans, and received payments. The systems we build also support electronic invoicing for real-time tax validation and compliance with local tax authorities. Our solutions can also automate policy renewals, installment schedules, payment reminders, and collections workflows.
eCommerce Billing Software
Our work with the omni-commerce platform Poynt exemplifies our expertise in eCommerce billing solution development. We engineered a sophisticated infrastructure supporting billing, invoicing, and recurring payments across multiple currencies. The solution supports multiple pricing models, including flat-rate and usage-based billing, while automating subscription management. Our billing software integrates with eCommerce platforms to streamline checkout and offer real-time cash flow visibility for better forecasting and compliance. We also support POS software development and billing terminal integration for businesses that operate across both digital and physical sales channels.
Legal Billing Software
With a proven track record of delivering custom billing software solutions, our company is a trusted partner for legal businesses. Our custom legal billing solutions handle complex jurisdictional requirements, exemplified by a notary building app we scaled across 20 US states, including state-specific tax requirements. We integrate seamless billing, invoicing, and tax calculation directly into your workflow. Beyond secure CRM synchronization and data compliance, our engineers implement AI and ML solutions to automate payment reminders, significantly reducing churn and recovering revenue.
SaaS Billing Software
SaaS companies require billing engines that manage the entire subscription lifecycle, from trial activation and onboarding to renewals, upgrades, downgrades, proration, and failed-payment recovery. Our engineers develop custom billing software that automates ASC 606-compliant revenue recognition, supports usage-based and subscription pricing models, and integrates with your SaaS infrastructure through APIs. We also implement subscription billing and recurring payment integrations, and provide MRR, ARR, churn, and retention reporting for finance and leadership teams.

Planning to enhance your billing software with AI-driven automation and analytics? Assess your readiness in 5 minutes.

Take the AI Readiness Check

Trusted Globally by Innovation-Driving Companies

From Fintech industry stalwarts to industry-leading eCommerce providers, we ensure the comprehensive alignment between emerging technologies and established business processes.

An American financial services firm that provides investment research and investment management services
Financial data and software company with offices in London, New York, San Francisco, and Seattle.
All-in-one omni commerce payment solution with contactless, fast, secure, and safe payment processing
One of the most recognizable landmarks, a company that specializes in innovative travel and hospitality services
SaaS XSPN – Next Generation Application & Cloud Security Posture Management
A leading tech-enabled insurance company that provides workers’ comp coverage to small businesses
A UK-based provider of online payment solutions to businesses of all sizes worldwide

Custom Billing Software Development Services You Can Rely On

From aspiring startups to Fortune 500 companies, we work with companies of all sizes and across diverse industries, proud of the collaborations that evolve into long-term strategic partnerships. Our focus on customer experience ensures that our integrated, efficient, and user-friendly billing systems enhance satisfaction and retention by streamlining the customer journey.

Quality-Driven Development
During almost two decades, we have successfully built, delivered, and scaled more than 120 tech projects. The strategic blend of comprehensive business analysis, extensive software development expertise, and thorough testing enables us to provide scalable, reliable, and high-performance solutions. For billing software development, we focus on securing payment data and maintaining accurate payment records to ensure quality, compliance, and trust. We emphasize securely capturing, updating, and managing payment details within billing and subscription systems to boost payment success rates and enhance customer experience.
Transparent Communication
Our clear and concise communication ensures you have a comprehensive understanding of project progress, challenges, and milestones. We achieve this by establishing a structured communication plan that includes daily standups, weekly status reports, and immediate access to team leads via tools. This continuous feedback loop is critical when building complex billing logic, ensuring that requirements are understood and aligned with your business goals. Ongoing support and transparent reporting build a true partnership, maximizing customer satisfaction throughout the entire project lifecycle.
Mature Project Management
Our project management methodology encompasses thorough planning, systematic execution, and consistent monitoring, enabling us to adapt swiftly to changing requirements. We rely on proven frameworks like Agile to manage the complexity of financial software and proactively handle risks and dependencies. We prioritize clear documentation, ensuring that project objectives, timelines, and deliverables are well-defined for all team members. This disciplined approach ensures that intricate billing workflows and third-party integrations are delivered on time, within scope, and ready for mission-critical operations.
Clear Scope and Budget Control
We offer transparent pricing models tailored to your business requirements, giving you a clear understanding of the investment required. Our rigorous discovery phase allows our architects to conduct deep technical assessments, minimizing the risk of scope creep often associated with custom billing development. Whether you choose a fixed-price or time & materials model, we provide accurate project estimates and detailed breakdowns. This financial discipline eliminates hidden fees, allowing you to plan your budget with confidence and secure a clear return on investment.

Certified

By Independent Organizations

Helping global businesses implement Adyen payment solutions with secure architecture and optimized transaction flows.

Confirmed by Oracle certification, our company provides top-notch tech expertise in building and delivering cutting-edge database and cloud-based apps.

IIBA Certification signifies our proficiency in business analysis, ensuring a deep understanding of client needs and industry requirements.rn

With AWS Certification, we guarantee top-tier cloud expertise, enabling us to architect robust, scalable, and secure solutions.

Trusting your project development to us, you can rely on our project management excellence, meticulous planning, and efficient resource utilization. rn

Our Scrum Alliance Certification demonstrates our dedication to agile methodologies, fostering collaboration and iterative development.rn

Backed by Scrum.org Certification, our development team leverages the best principles of Scrum to build superior and iterative software solutions.

Engagement Models

That address any requirements

Team Extension (Staff Augmentation)
Team extension is often the beginning of a lot more meaningful business relationships. As we are aware of this, we provide Team Extension services to quickly extend your in-house team with one or more experts (usually, 1-3 persons) in order to beef it up or fill an expertise gap.
Managed Team (Dedicated Team)
The Managed Team client engagement model allows you to expand your in-house team in a more significant way than under Team Extension: we hand-pick several experts in accordance with your requirements to create a self-managed development team that is run by one of our seasoned Project Managers.
Full-Cycle, Project-Based Outsourcing
Under Project-Based Outsourcing, our team assumes full responsibility for implementing the entirety of your project: we provide all the various experts required during the Discovery/Business Analysis, Development, QA & Testing, and, possibly, Support & Maintenance phases.

FAQ

Answering common questions about billing software development services.

Which software is used for billing?
Billing software automates invoicing and payment management for products and services sold. It generates invoices, calculates taxes, manages recurring subscriptions, tracks payment status, and supports revenue reporting. Advanced billing systems can also handle failed payment recovery (dunning), complex pricing models, and integrations with accounting, ERP, CRM, and payment processing platforms.
Common off-the-shelf solutions include QuickBooks for small businesses, NetSuite for mid-market organizations, and Zuora or Chargebee for subscription-based businesses. However, companies with complex pricing structures, compliance requirements, high transaction volumes, or specialized integration needs often require custom billing software tailored to their business processes.
Is ERP a billing system?
No, an ERP system is not a billing system. ERP platforms such as SAP, Oracle ERP, and Microsoft Dynamics 365 include financial modules that support accounts receivable, general ledger management, and financial reporting, but they are not purpose-built for billing operations.
Modern billing systems provide capabilities that ERP financial modules typically lack, including subscription billing, usage-based pricing, proration, dunning automation, invoice customization, and complex pricing rules. For this reason, many organizations implement custom billing software either as a dedicated billing layer that feeds processed financial data into the ERP or as a replacement for the ERP’s limited billing functionality.
SPD Technology develops both standalone billing platforms and ERP-integrated billing systems that synchronize invoices, payments, and revenue data with enterprise financial systems through secure APIs.
Is CRM a billing system?
No, a CRM system is not a billing system. CRM platforms such as Salesforce and HubSpot are designed to manage customer relationships, sales activities, contracts, and communications rather than invoice generation, payment processing, or subscription management.
However, CRM data often serves as a critical input for billing workflows. For example, when a deal is marked as closed in a CRM system, the billing platform can automatically generate invoices, create payment schedules, or activate subscription plans. Integrating CRM and billing systems helps ensure that customer information, contract terms, invoice status, and payment activity remain synchronized across departments.
SPD Technology builds billing platforms with bidirectional CRM integrations that reduce manual data entry, improve data accuracy, and help eliminate reconciliation issues between sales and finance teams.
How to create billing software?
Creating custom billing software starts with defining pricing models, billing workflows, compliance requirements, and integration needs. Whether the solution supports subscription, usage-based, or hybrid billing determines the system architecture and core functionality. The platform must support secure payment processing, invoice generation, subscription management, customer portal functionality, reporting, and data synchronization with existing business systems.
Development typically includes building billing and payment workflows, integrating payment gateways, and connecting the platform with ERP, CRM, accounting, and other business applications through APIs. Because billing software directly impacts revenue operations, most organizations work with an experienced billing software development company to reduce implementation risk and ensure long-term scalability.
How much does it cost to develop custom billing software?
Costs typically range from $50,000 to $200,000+, depending on project complexity. Key cost drivers include business requirements, pricing model complexity, third-party integrations, compliance obligations, and the chosen technology stack.
A basic MVP that includes essential invoicing functionality is on the lower end, while enterprise systems with custom compliance logic, diverse payment gateways, and deep CRM integrations require a higher investment. Enterprise billing systems generally require substantial engineering effort due to their security, compliance, integration, and scalability requirements.
How long does custom billing software development take?
The timeline for custom billing software development depends on the scope, complexity, and integration requirements of the project. A billing MVP with invoice generation, a single payment gateway integration, and a standard pricing model can often be delivered in 8–16 weeks. More advanced billing platforms that support subscription billing, usage-based pricing, tiered pricing, ERP and CRM integrations, multi-currency operations, tax compliance, and custom reporting typically require 4–9 months to implement.
One of the biggest factors affecting delivery timelines is the discovery phase. Organizations with complex pricing rules, contract-based billing, proration logic, discount structures, or legacy system dependencies require detailed requirements analysis before development begins. A structured discovery process helps define the project scope, reduce delivery risks, and establish a realistic implementation roadmap.
How to choose a billing software development company?
Choosing the right billing software development company requires evaluating more than just technical capabilities. Five factors are particularly important.
Compliance expertise. Billing systems often operate within PCI DSS, SOC 2, GAAP/IFRS revenue recognition requirements, and industry-specific regulations. Look for a partner with experience building software in your regulatory environment.
Integration expertise. Billing platforms must connect with payment gateways, ERP systems, CRM platforms, accounting software, and other business applications. Ask vendors for specific examples of integrations they have implemented rather than general API integration claims.
Pricing model expertise. Subscription billing, usage-based billing, tiered pricing, contract billing, and hybrid revenue models all require different technical approaches. Verify that the company has experience with the pricing structures your business uses.
Scale and reliability. Billing systems support revenue-critical operations. Vendors that have built platforms handling large transaction volumes and complex financial workflows are more likely to understand the performance, security, and availability requirements involved.
Long-term support. Billing software evolves alongside your business. Tax regulations change, payment methods expand, and pricing strategies become more sophisticated over time. Choose a development partner that can provide ongoing maintenance, enhancements, and integration support after launch.