Top B2B SaaS Development ConsultantsDevelopment Consultants
We build B2B SaaS products that scale. 200+ products shipped with fixed pricing and 12-week MVPs.
IRPR is a team of senior engineers who specialize in B2B SaaS development. We use React, Node.js, AWS, Stripe, and PostgreSQL to ship products that handle complex multi-tenant architectures, subscription billing, and compliance from day one.
Every project starts with a fixed-price Roadmap phase (2 weeks) to define scope and architecture. Full builds run 8-12 weeks with budgets from $80K to $250K. We deliver source code, CI/CD pipelines, and SOC 2-ready infrastructure.
Our clients are CTOs scaling their engineering teams, product managers launching new SaaS features, and founders validating B2B ideas. We also work with VP of Engineering at mid-market companies needing a dedicated build partner.
Types of software we ship.
SaaS MVP
Minimum viable product for B2B SaaS. Includes auth, billing (Stripe), and a web app (React + Node.js). Ready in 10-12 weeks.
Multi-Tenant SaaS
Architected for isolation, scaling, and tenant-specific features. Uses AWS ECS, PostgreSQL row-level security, and Redis caching.
Enterprise SaaS
Custom features like single sign-on (SAML), audit logs, role-based access (RBAC), and compliance (SOC 2, GDPR). Built with Next.js and NestJS.
SaaS with AI/ML
Integrates machine learning models via TensorFlow or OpenAI APIs. Supports data pipelines, batch processing, and real-time predictions.
SaaS Marketplace
Platform connecting buyers and sellers with transaction processing (Stripe Connect), escrow, and review systems. Built on Next.js + PostgreSQL.
SaaS with Payment Integration
Recurring billing, usage-based pricing, and invoicing. Integrates Stripe, Chargebee, or Recurly with webhook event handling.
SaaS Analytics Dashboard
Real-time dashboards, SQL-based reports, and embedded analytics (Metabase). Uses WebSocket for live data and ClickHouse for large datasets.
Vertical SaaS for Healthcare or Fintech
Compliance-first development for HIPAA or PCI-DSS. Includes data encryption, access logs, and audit trails. Built on AWS GovCloud.
We build for every business type.
Sales & Marketing
Finance & Accounting
HR & Operations
Customer Support
Vertical Industries
Why choose top B2B SaaS development consultants
IRPR has shipped over 200 B2B SaaS products across 50 countries, with a 98% on-time record.
Our senior engineers use proven architectures and modern stacks to build scalable, compliant B2B SaaS products. We start with a fixed-price Roadmap so you know scope and budget before committing to full development.
Every product is built with multi-tenancy, subscription billing, and security from the first sprint. We handle AWS infrastructure, CI/CD, and monitoring so your team can focus on go-to-market.
The difference between generic dev shops and top B2B SaaS consultants
Not all development partners understand B2B SaaS architecture. IRPR brings deep product expertise.
Generic shops treat every project like a CRUD app. They miss multi-tenant isolation, usage metering, and compliance requirements. That leads to costly rewrites.
IRPR builds B2B SaaS the right way from day one. We ship code you own, with pipelines, monitoring, and documentation included.
- Hourly billing with no cap
- Junior engineers on your project
- No multi-tenant architecture
- No compliance documentation
- Code handed over without CI/CD
- Scope creep without change orders
- Fixed price from Roadmap phase
- Senior engineers with 10+ years
- Multi-tenant isolation built in
- SOC 2 / HIPAA / PCI ready
- Source code + CI/CD pipeline
- One fixed quote, no surprises
How top B2B SaaS development consultants deliver your product
Our 4-phase process moves from idea to release in 12-14 weeks, with clear milestones and fixed costs.
We start with a deep discovery phase to document requirements, user stories, and technical architecture. Every decision is validated against scalability and compliance needs.
Once the Roadmap is approved, we build in 2-week sprints with continuous delivery. You see working software every sprint, not just at the end.
What ships with every B2B SaaS product we build
Every delivery includes production-ready code, infrastructure, and tooling. No loose ends.
We do not hand over code without a functioning build pipeline. Every project includes automated deployments, error tracking, and uptime monitoring.
You get full ownership: all repos, domains, cloud accounts, and documentation. Nothing is locked behind vendor ties.
- Source code in your Git repository (GitHub or GitLab)
- CI/CD pipeline with GitHub Actions or GitLab CI
- Staging and production environments on AWS
- Sentry error tracking configured
- Datadog or New Relic monitoring dashboards
- Stripe subscription integration
- PostgreSQL database with backups
- Web application firewall and SSL
- API documentation (Swagger/OpenAPI)
- 30 days post-launch support
What we ship in this practice.
Multi-Tenant CRM for Real Estate Brokerage
Built a custom B2B CRM with MLS integration, agent dashboards, and automated lead routing. Reduced manual data entry by 8 hours per week per agent. Tech stack: Next.js, PostgreSQL, Redis, Twilio, MLS API.
HIPAA-Compliant SaaS for Telehealth Practice
Developed a patient scheduling and video consultation platform with HIPAA-compliant data encryption and audit logs. Improved appointment no-shows by 25%. Tech stack: React, Node.js, AWS GovCloud, Twilio Video.
SaaS Subscription Billing Platform for Fintech
Created a usage-based billing engine supporting metered pricing, invoicing, and dunning. Processed $2M+ in monthly recurring revenue within 6 months. Tech stack: Python, Django, Stripe, PostgreSQL, Celery.
Employee Onboarding SaaS for Enterprise HR
Built a modular onboarding portal with task management, document e-signature, and compliance training. Reduced time-to-productivity for new hires by 30%. Tech stack: Next.js, NestJS, PostgreSQL, DocuSign API.
Real-Time Analytics Dashboard for Logistics SaaS
Delivered a dashboard with live shipment tracking, delay predictions, and carrier performance scores. Handled 500+ requests/second with sub-100ms latency. Tech stack: React, Node.js, ClickHouse, WebSockets, AWS ECS.
SaaS Marketplace for Wholesale Trade
Created an online platform connecting suppliers and buyers with automatic escrow payments. Onboarded 300+ suppliers in the first quarter. Tech stack: Next.js, NestJS, Stripe Connect, PostgreSQL, Elasticsearch.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote from the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges.
Senior engineers only
Our team consists of engineers with 10+ years of experience each. No juniors, no outsourced freelancers. You talk directly to the people building your product.
200+ products shipped
We have built and delivered over 200 B2B SaaS products across 50 countries. We know what works and what doesn't in multi-tenant SaaS.
12-week MVP guarantee
From Roadmap sign-off to production release, most MVPs ship in 8-12 weeks. We have a 98% on-time delivery record.
Full code ownership
You own all source code, cloud accounts, domains, and documentation. No vendor lock-in, no licensing fees, no ongoing royalties.
Compliance-ready from day one
We build with SOC 2, HIPAA, PCI-DSS, and GDPR requirements baked into the architecture. You can pass audits without rebuilding.
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.