Stack46 builds multi-tenant SaaS platforms from first MVP to production scale — auth, billing, dashboards and APIs on Next.js, Node.js and PostgreSQL. The same full-stack engineering that built the FourSix46 ecosystem's own platforms, applied to yours.
Book a Free Scoping CallMulti-tenant SaaS architecture
Authentication & role-based access
Subscription billing & payments
Admin dashboards & analytics
API & third-party integrations
MVP to production-scale builds
Core feature set, tenancy model and MVP scope defined to ship fast without dead-ends.
Product flows and dashboards prototyped and validated with real users.
A multi-tenant, secure, scalable platform built on a clean architecture.
Launch, monitor, and iterate — hardening for growth, billing and reliability.
SaaS builds start Fixed-Price for the MVP, then move to a Retainer for ongoing development.
From an idea. Stack46 takes founders from concept to launched MVP — shaping the scope, designing the product, and building a platform that's ready to grow, not just a prototype.
Typically 8–14 weeks for a focused MVP with auth, billing and core features — enough to put a real product in front of paying users, then iterate from real feedback.
Yes. Stack46 builds subscription billing, plans, trials and payment flows on Stripe, fully integrated with the platform and your admin dashboard.
Yes. We build multi-tenant architecture with role-based access and data isolation from the start, so tenants stay separated and the platform is secure as it scales.
Yes. Built on PostgreSQL, Redis and cloud infrastructure across AWS and Vercel, the platform is designed to scale — and Stack46 stays on to harden and extend it via Retainer.