Premium B2B SaaS Website Development VendorDevelopment Vendor
We build high-conversion marketing sites and web apps for B2B SaaS companies. 12-week delivery, fixed price, senior engineers only.
IRPR is a premium B2B SaaS website development vendor. We build marketing sites, landing pages, and web apps using Next.js, Tailwind CSS, and Vercel. Every project ships with a headless CMS and a custom component library.
We deliver a production-ready B2B SaaS website in 8-12 weeks. Pricing starts at $80K and goes to $250K for complex integrations. All projects include SOC 2 compliance, automated CI/CD, and 99.9% uptime SLA.
Founders who need a polished investor-ready site. CTOs who want a scalable marketing platform. Heads of Growth who need fast A/B testing and analytics. Product Managers who need a self-serve demo flow.
Types of software we ship.
B2B SaaS marketing website
A high-conversion marketing site with product pages, case studies, and lead capture forms. Built on Next.js and Sanity CMS.
SaaS landing page
A single-page campaign landing page with optimized CTA, testimonial carousel, and Stripe payment link integration.
SaaS product demo site
An interactive product demo site with video walkthroughs, live sandbox, and calendly booking for sales calls.
SaaS documentation portal
A searchable documentation portal with versioning, code snippets, and Algolia search. Built for developer docs.
SaaS customer portal
A login-gated portal where customers manage subscriptions, view invoices, and submit support tickets. Integrates with Stripe Billing.
SaaS affiliate program site
A dedicated affiliate site with referral tracking, payout dashboard, and marketing asset library. Uses Post Affiliate Pro.
SaaS investor relations site
A private investor site with financial reports, pitch deck, and secure document sharing. Built with Auth0 and AWS S3.
SaaS multi-tenant landing page
A white-label landing page for each customer tenant with custom domain, branding, and localized content. Uses Next.js middleware.
We build for every business type.
Enterprise SaaS companies
B2B marketplaces
Compliance-heavy SaaS
Vertical SaaS
SaaS with complex integrations
Why choose a premium B2B SaaS website development vendor
A generic web agency can't match the speed, security, and conversion focus of a dedicated SaaS vendor.
IRPR has shipped over 200 SaaS products. Our team of senior engineers builds websites that load in under 2 seconds, pass Core Web Vitals, and convert at 5-8%. We use Next.js for server-side rendering, Tailwind for consistent design, and Vercel for instant deployment.
Every site we build includes a headless CMS (Sanity or Strapi), automated CI/CD via GitHub Actions, and monitoring with Sentry and Datadog. We also handle compliance: SOC 2 reports, HIPAA BAAs, and PCI DSS scans are included when needed.
How IRPR differs from a generic web agency
Most agencies build brochure sites. IRPR builds revenue-generating SaaS platforms.
Generic dev shops use WordPress or page builders. They don't understand SaaS metrics like trial-to-paid conversion or churn rate. They bill hourly and scope creep is common.
IRPR uses Next.js, Tailwind, and Vercel. We understand SaaS metrics. We bill fixed price after a 2-week Roadmap. We deliver source code, CI/CD, and monitoring. No surprises.
- Builds in WordPress or Wix
- No understanding of SaaS metrics
- Hourly billing with scope creep
- No compliance (HIPAA/PCI/SOC 2)
- No CI/CD pipeline
- No post-launch monitoring
- Builds in Next.js + Tailwind + Vercel
- Optimizes for trial-to-paid conversion
- Fixed price after 2-week Roadmap
- HIPAA, PCI DSS, SOC 2 ready
- GitHub Actions CI/CD by default
- Sentry + Datadog monitoring included
Our 4-phase process for building your B2B SaaS website
From idea to launch in 12 weeks. Fixed price. No surprises.
Phase 1: Idea validation and tech stack selection. We map user flows, define conversion goals, and choose tools like Next.js, Sanity, and Stripe.
Phase 2: Roadmap and fixed quote. In week 2, we deliver a detailed roadmap with wireframes, component tree, and a fixed price. You approve before any code is written.
What ships with every B2B SaaS website from IRPR
You own everything. No lock-in. No hidden fees.
Every project includes full source code, a CI/CD pipeline, and monitoring. We also provide documentation for your team to maintain the site after launch.
We include compliance artifacts like SOC 2 reports and HIPAA BAAs when needed. You can deploy anywhere: Vercel, AWS, or your own servers.
- Source code in your GitHub repo
- CI/CD pipeline on GitHub Actions
- Headless CMS (Sanity or Strapi)
- Custom component library (Storybook)
- Sentry error tracking
- Datadog performance monitoring
- 99.9% uptime SLA
- 30-day post-launch support
- SOC 2 / HIPAA / PCI DSS artifacts
- Documentation for your team
What we ship in this practice.
HR tech platform marketing site
Built a high-conversion marketing site for an HR tech startup. Integrated with HubSpot for lead scoring and Salesforce for CRM. Reduced bounce rate by 35% and increased demo requests by 50%. Tech stack: Next.js, Sanity, HubSpot API.
Fintech SaaS landing page
Designed and built a PCI DSS compliant landing page for a fintech payment processor. Included a live sandbox demo and Stripe payment link. Achieved 8% conversion rate from ad traffic. Tech stack: Next.js, Tailwind, Stripe, Vercel.
Healthcare SaaS documentation portal
Built a HIPAA compliant documentation portal for a healthcare data platform. Included versioned API docs, search via Algolia, and role-based access control. Reduced support tickets by 40%. Tech stack: Next.js, Algolia, Auth0.
Real estate CRM multi-tenant landing page
Developed white-label landing pages for a real estate CRM. Each tenant got a custom domain, localized content, and branded UI. Increased tenant sign-ups by 60%. Tech stack: Next.js, Postgres, AWS S3.
EdTech SaaS investor relations site
Built a secure investor relations site for an edtech company. Included financial dashboards, pitch deck downloads, and document signing via DocuSign. Raised $2M Series A. Tech stack: Next.js, Auth0, DocuSign API.
Logistics SaaS customer portal
Created a customer portal for a logistics SaaS platform. Users could track shipments, view invoices, and manage subscriptions. Reduced customer support calls by 30%. Tech stack: Next.js, Stripe Billing, PostgreSQL.
Why teams hire us.
Fixed price from day one
We give you a fixed price after the 2-week Roadmap phase. No hourly billing, no surprise invoices, no scope creep charges. The price you see is the price you pay.
Senior engineers only
Our team consists of senior engineers with 10+ years of experience. No juniors, no offshore outsourcing. Every developer has shipped at least 10 SaaS products.
Compliance built in
We handle HIPAA, PCI DSS, SOC 2, and GDPR compliance. We provide BAAs, security audits, and compliance artifacts as part of every project.
12-week delivery guarantee
We deliver a production-ready B2B SaaS website in 8-12 weeks. 98% of our projects ship on time. We track milestones weekly and report progress transparently.
Full code ownership
You own all source code, designs, and documentation. No lock-in, no license fees, no recurring payments. Deploy anywhere you want.
Post-launch support included
We provide 30 days of post-launch support with a 4-hour response SLA. We also offer ongoing maintenance contracts at a fixed monthly rate.
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.