Stack46 builds fast, search-ready web applications on Next.js, React and TypeScript — the same stack that powers the FourSix46 ecosystem. From marketing sites to complex platforms, engineered to perform, rank, and scale.
Book a Free Scoping CallMarketing sites & landing pages
Web applications & customer portals
REST & GraphQL API development
Custom CMS & content management builds
Core Web Vitals & performance optimisation
WCAG 2.1 AA accessible builds
Requirements, sitemap and technical architecture mapped in the first week.
Wireframes into hi-fi prototypes, validated before we write production code.
Senior engineers build on Next.js with clean architecture and real documentation.
Deploy, monitor Core Web Vitals, and iterate — built to stay fast and findable.
Most web builds run Fixed-Price for a defined scope; ongoing work moves to a Retainer.
4–12 weeks depending on scope — a marketing site ships in under a month, while a full web platform typically takes 8–12 weeks from kickoff to launch.
Next.js, React and TypeScript on the frontend; Node.js, Express, Python and GraphQL on the backend; PostgreSQL, MongoDB and Redis for data — the same production stack that runs the FourSix46 ecosystem.
Yes. Every Stack46 build ships with Core Web Vitals optimisation, semantic HTML, structured data, and WCAG 2.1 AA accessibility as standard — never bolted on afterwards.
Yes. Stack46 takes on rebuilds, migrations and rescue projects — auditing the existing codebase first, then improving performance, structure and maintainability without starting from zero unless it's genuinely needed.
You do. Every line of code, design file and asset is handed over and owned entirely by the client — no lock-in, no proprietary platform you can't leave.
Yes. Stack46 deploys to AWS, Vercel or Cloudflare and offers ongoing support and maintenance on a retainer — monitoring performance, security and uptime after launch.
Yes. Every build targets sub-2.5s load times and green Core Web Vitals on mobile, using Next.js static generation, image optimisation and a global CDN — because Google indexes mobile-first.
Yes. Stack46 is a UK-registered agency under FourSix46 Global Ltd and works remote-first with clients worldwide, including across the US, UAE and India.
