Experienced B2B SaaS Development ServicesSaaS Development
We build multi-tenant B2B SaaS platforms that scale. You get a fully functional product in 12 weeks with fixed pricing.
IRPR builds B2B SaaS platforms for companies that need production-ready software, not prototypes. We use React, Node.js, Python, AWS, and PostgreSQL to build multi-tenant architectures with tenant isolation, billing integrations, and role-based access control.
Every project ships in 8 to 12 weeks with a fixed price between $80K and $250K. We handle compliance for SOC 2, HIPAA, and PCI-DSS. You get source code, CI/CD pipelines, and AWS infrastructure managed by our DevOps team.
We work with founders launching their first SaaS product, CTOs migrating legacy systems to multi-tenant cloud platforms, and product managers at B2B companies who need custom subscription management, usage tracking, and API-first architectures.
Types of software we ship.
Multi-tenant SaaS platform
A single codebase serves hundreds of tenants with isolated data, custom domains, and per-tenant billing through Stripe.
Subscription management system
Handles tiered pricing, usage-based billing, dunning, and proration. Integrates with Stripe and Recurly.
API-first B2B platform
RESTful and GraphQL APIs with rate limiting, API keys, webhooks, and developer documentation. Built with Node.js and Express.
Enterprise SaaS dashboard
Admin panels with user management, audit logs, role-based access, and real-time analytics. Uses React and Material-UI.
B2B marketplace platform
Connects buyers and sellers with commission tracking, escrow payments, and dispute resolution. Built on Next.js and Stripe Connect.
SaaS analytics engine
Collects and visualizes product usage data, churn metrics, and revenue reports. Uses Snowflake and Metabase.
Customer portal for B2B
Self-service portals for clients to manage invoices, view usage, and update account settings. Integrated with Salesforce and HubSpot.
White-label SaaS product
Rebrandable platform that agencies and resellers can sell as their own. Includes tenant management, custom domains, and usage tracking.
We build for every business type.
B2B software companies
Professional services
Healthcare and life sciences
Ecommerce and retail
Logistics and supply chain
Why choose experienced B2B SaaS development services
Building a B2B SaaS platform requires deep engineering and compliance knowledge.
IRPR has shipped over 200 products for clients in 50 countries. Our engineers have built multi-tenant architectures that handle 10,000+ tenants with sub-200ms response times. We use AWS ECS, RDS, and ElastiCache to ensure scalability from day one.
Every platform we build includes tenant isolation, role-based access control, API rate limiting, and audit logging. We integrate with Stripe for billing, SendGrid for transactional emails, and Datadog for monitoring. Our DevOps team sets up CI/CD pipelines on GitHub Actions with automated testing.
How we deliver B2B SaaS platforms differently
Most agencies build one-off apps. We build platforms that scale across tenants.
Generic dev shops often deliver single-tenant codebases that require rewrites when you add customers. They charge hourly and scope creep inflates budgets. They rarely handle compliance or infrastructure.
IRPR builds multi-tenant from the start. We include tenant onboarding, subscription management, and infrastructure as code. Our fixed pricing means you know the cost before we start. We deliver source code, CI/CD, and monitoring in every project.
- Charges hourly, no fixed price
- Builds single-tenant codebases
- No tenant isolation or RBAC
- No CI/CD or infrastructure setup
- No compliance help (SOC 2, HIPAA)
- Delivers code only, no ongoing support
- Fixed price from $80K to $250K
- Multi-tenant architecture from day one
- Tenant isolation, RBAC, audit logs
- CI/CD pipelines on GitHub Actions
- SOC 2, HIPAA, PCI-DSS compliance
- Source code, DevOps, 12-week delivery
Our process for building B2B SaaS platforms
We follow a four-phase process that de-risks development and ensures predictable delivery.
Phase 1 is the Idea phase where we align on goals, identify tenant requirements, and define billing models. This takes 1 week and includes a technical feasibility review.
Phase 2 is the Roadmap phase where we produce a detailed spec, architecture diagram, and fixed price quote. This takes 1 week and costs nothing if you proceed.
What ships with every B2B SaaS platform
Every project includes everything you need to run and scale your product.
We do not deliver half-finished code. Every platform includes production infrastructure, monitoring, and documentation. You own everything and can deploy changes immediately.
- Multi-tenant architecture with tenant isolation
- Subscription management with Stripe integration
- Role-based access control (admin, manager, user)
- RESTful API with documentation (Swagger/OpenAPI)
- CI/CD pipeline on GitHub Actions with automated tests
- AWS infrastructure as code (Terraform or CloudFormation)
- Monitoring with Datadog and Sentry error tracking
- Source code in your private GitHub repository
- Admin dashboard with user and billing management
- 30-day post-release support and warranty
What we ship in this practice.
Multi-tenant CRM for real estate agents
Built a platform where 500+ agents manage leads, properties, and transactions. Each tenant gets a custom domain and separate database. Reduced manual data entry by 12 hours per week. Tech stack: Next.js, PostgreSQL, Stripe, AWS RDS.
Subscription billing portal for a SaaS company
Replaced a manual invoicing system with automated tiered billing, usage tracking, and dunning emails. Handles 10,000+ subscriptions with 99.9% uptime. Tech stack: Node.js, Stripe, SendGrid, AWS Lambda.
Patient management platform for telehealth
Built a HIPAA-compliant platform with video visits, scheduling, and EHR integration. Serves 200+ clinics across 15 states. Tech stack: React, Twilio, PostgreSQL, AWS ECS.
Order management system for a wholesale distributor
Created a B2B portal where retailers place orders, track shipments, and manage invoices. Reduced order processing time by 40%. Tech stack: Next.js, Stripe Connect, Shopify API, AWS.
Compliance tracking platform for a fintech startup
Built a PCI-DSS compliant platform for monitoring transactions, generating audit reports, and managing user permissions. Handles 50,000+ transactions daily. Tech stack: Python, Django, PostgreSQL, AWS.
Learning management system for an EdTech company
Developed a multi-tenant LMS with course creation, student progress tracking, and payment processing. Serves 100+ schools with 50,000+ students. Tech stack: React, Node.js, Stripe, AWS.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. You know the cost before we write a line of code.
Multi-tenant from day one
We design every B2B SaaS platform as a multi-tenant system with tenant isolation, custom domains, and per-tenant billing. You do not need a rewrite when you add customers.
Compliance built in
We build SOC 2, HIPAA, and PCI-DSS compliance into the architecture. We handle audit logging, data encryption, access controls, and penetration testing. No retrofitting.
Full ownership of code and infrastructure
You get source code, CI/CD pipelines, and AWS infrastructure in your own accounts. IRPR does not lock you in. You can deploy changes or migrate teams at any time.
12-week delivery guarantee
Our average MVP ships in 12 weeks. We work in 2-week sprints with demos and automated testing. 98% of our projects deliver on time.
Senior engineers only
Every project is staffed with senior engineers who have 8+ years of experience. No juniors, no offshore outsourcing. Your project manager has a technical background.
Idea → Roadmap → Product → Release.
Every engagement runs through the same four-stage pipeline. Predictable by design.
Questions clients ask first.
Related services and industries.
Ready to build? Let's talk.
30-minute discovery call. No deck. We'll tell you honestly what it takes, how long, and how much.
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