Top B2B SaaS Website Development PartnerWebsite Development
We build B2B SaaS websites that convert visitors into trials. 200+ products shipped, 50+ countries, fixed pricing from $80K.
IRPR is the top B2B SaaS website development partner for founders who need a live, scalable site fast. We build with Next.js, Vercel, Tailwind CSS, and integrate Stripe, Auth0, and HubSpot out of the box.
Every project ships in 8-12 weeks with a fixed price between $80K and $250K. You get a production-ready SaaS website with a custom UI, payment flow, authentication, and analytics. No hourly billing, no scope creep.
We work with first-time founders who need an MVP, CTOs replacing a legacy site, product leaders scaling to enterprise, and agencies that need a reliable build partner. All clients get full code ownership and a dedicated senior engineer team.
Types of software we ship.
SaaS landing page with free trial flow
High-converting landing page with three-step trial signup, Stripe billing, and HubSpot CRM integration. Converts 35%+ visitors to trials.
Multi-tenant SaaS dashboard website
Website that includes a client portal with role-based access, usage stats, and plan upgrade flows. Built with Next.js and PostgreSQL.
Pricing page with complex tiers
Interactive pricing table with usage-based add-ons, annual discount toggle, and live Stripe price sync. A/B tested for maximum conversion.
Enterprise SaaS company site
Professional site with case studies, security whitepapers, and an ROI calculator. Includes SOC 2 compliance badge and PDPA readiness.
App subscription website + documentation
Combined marketing site and developer docs with search, API reference, and changelog. Built with MDX and Algolia search.
SaaS affiliate and partner portal site
Website for managing affiliates, tracking referrals, and generating payouts. Integrates with Stripe Connect and PartnerStack.
B2B SaaS marketplace website
Two-sided marketplace for SaaS integrations or plugins. Includes vendor onboarding, revenue share, and automated invoicing via Stripe.
SaaS product comparison site
Feature-by-feature comparison tool with live pricing and reviews. Helps B2B buyers choose between 10+ competing products.
We build for every business type.
Enterprise B2B
Vertical SaaS
Small business tools
Developer tools
Sales & marketing
Why IRPR is the top B2B SaaS website development partner
We ship production-ready SaaS websites faster than most agencies can produce a design mockup.
Every project starts with a 2-week Roadmap phase where we map out the complete site architecture, user flows, and integration points. You get a fixed price and a 12-week delivery date before we write a single line of code.
Our senior engineers have built SaaS sites for companies like DoorDash, Zendesk, and Shopify. We use Next.js 14, Tailwind CSS, and deploy on Vercel with a CI/CD pipeline that includes automated testing and Sentry error tracking.
Enterprise-grade B2B SaaS website development vs generic agencies
Most agencies build brochure sites. We build revenue engines.
A typical dev shop quotes a flat price but adds scope creep for every integration. They use WordPress or React templates that can't handle complex subscription logic or multi-tenant auth.
IRPR delivers a custom Next.js site with Stripe subscription management, Auth0 SSO, HubSpot API sync, and real-time analytics via PostHog. Everything is tested in staging before going live. No surprises.
- Uses page builders or outdated frameworks
- No CI/CD pipeline
- No automated testing
- Unclear ownership of code
- Hourly billing with surprise overages
- Slow communication via email only
- Next.js 14 with TypeScript and Tailwind
- GitHub Actions CI/CD with Preview Deploys
- Jest + Playwright automated tests
- Full code ownership – code in your repo day 1
- Fixed price, no hidden costs
- Slack + weekly video calls with your team
How we build your B2B SaaS website in 12 weeks
Our process is designed to eliminate uncertainty.
We follow the IRPR framework: Idea, Roadmap, Product, Release. Each phase has specific deliverables and go/no-go checkpoints. You see progress every week.
By week 8 you have a beta site with real data. Week 10 is performance tuning and security audit. Week 12 is the public launch with your domain and Stripe live.
What ships with every B2B SaaS website
You get a fully operational site, not a design file.
- Source code in your private GitHub repo
- CI/CD pipeline with GitHub Actions and Preview Deploys
- Stripe payment integration with test mode data
- Auth0 or Clerk authentication with email/password + SSO
- HubSpot CRM form capture and lead scoring
- Hosting on Vercel with custom domain and CDN
- Sentry error monitoring and uptime alerts
- Google Analytics 4 + PostHog event tracking
- SEO metadata with Open Graph and JSON-LD schema
- Privacy policy and cookie consent bar (GDPR ready)
What we ship in this practice.
B2B SaaS dashboard for analytics company
Built a multi-tenant website with real-time dashboards using Next.js, D3.js, and PostgreSQL. Reduced manual report generation by 10 hours per week per client. The site handles 2,000 active accounts with 99.9% uptime.
Fintech subscription management platform
Created a website with embedded Stripe billing, KYC verification via Onfido, and role-based access. Onboarded 50+ enterprise clients in 3 months. PCI-DSS compliant from day one.
Healthcare SaaS patient scheduling
Developed a HIPAA-compliant website with Twilio SMS reminders and Zoom telehealth hooks. Reduced no-show rates by 40% within 6 weeks. Integrated with Epic EHR via FHIR APIs.
EdTech platform for corporate training
Shipped a learning management website with SCORM support, Stripe payments, and Slack integration. Grew from 0 to 10,000 users in 4 months. FERPA compliant.
Real estate agent CRM website
Built a website with MLS listing integration via Bridge API, IDX search, and lead capture forms. Generated 200+ qualified leads per month for a brokerage in Los Angeles. $80K fixed price, 12 weeks.
Logistics SaaS freight management
Designed a website with real-time tracking, Stripe billing, and QuickBooks sync. Reduced manual invoicing by 15 hours per week. Integrates with 5 major carriers via API.
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. 200+ projects shipped with zero budget overruns.
Senior engineers only
Your team consists of senior developers with 8+ years experience. No juniors, no outsourced offshore teams. Average tenure at IRPR is 5 years.
12-week MVP guarantee
We commit to a live site in 12 weeks or less. If we miss the date, you pay nothing for the overage. 98% of our projects launch on time.
Full code ownership
You own every line of code from day one. Your GitHub repo, your domain, your Stripe account. No lock-in, no platform traps.
Built for compliance
We have shipped sites for HIPAA, PCI-DSS, SOC 2, and FERPA. Our standard stack includes encrypted data at rest and in transit, audit logs, and role-based access.
Global delivery with US overlap
Our team spans 50+ countries but we align working hours to your time zone. Daily Slack updates and weekly video standups. We speak English natively.
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.