Bespoke software development, done in weeks — not quarters.

RedFin AI is a UK-based custom software development studio building web and mobile applications, SaaS platforms, internal tools and AI-native products for businesses across Britain. We use an AI-first engineering pipeline to cut delivery time by up to 80% and pass those savings straight on to you — without cutting quality.

Scope your project → See case studies

4 weeksTypical MVP delivery

From £15kFixed-scope projects

100%You own the code & IP

Custom, not compromised

Bespoke software when off-the-shelf can't quite do it.

Off-the-shelf SaaS is great — until it isn't. When your workflow, your data, your compliance needs or your users demand something that no vendor offers, that's when custom software becomes the right investment.

You need custom software when…

Your process is a competitive advantage — not a category others offer.
Off-the-shelf systems force you into their workflow, not the other way around.
You need proper ownership of your data, integrations and IP.
You want AI features that generic SaaS won't build for you.
You're aggregating capabilities that no single vendor combines.

What we build

SaaS products (multi-tenant, billing, teams, SSO, audit).
Internal tools and admin portals to replace spreadsheets.
Marketplaces, customer portals, partner networks.
Mobile apps — native or cross-platform.
AI-powered systems: LLM agents, RAG, forecasting, vision.
Legacy migrations, modernisations and rewrites.

The RedFin AI difference

The economics of custom software development changed. We built our studio around it.

Most software agencies still quote as though it's 2018 — with the same team sizes, the same tooling, the same timelines. We rebuilt the process around modern AI-first engineering, and pass the savings on.

80% faster to launch

Working MVPs in 4-6 weeks. Enterprise builds in a third of the traditional agency timeline.

60% average cost reduction

On like-for-like scopes versus the UK agency market. Fixed, transparent pricing.

Senior engineers only

Every project is led by an engineer with 10+ years of experience — supercharged with AI, never replaced by it.

Full IP ownership

You own the source code, the infrastructure, the data. No vendor lock-in, no proprietary black boxes.

Enterprise-grade quality

Automated tests, CI/CD, security scanning, observability, accessibility baked in from day one.

UK-based & GDPR-native

Data protection and vendor risk understood from a UK perspective — because we live it.

Our stack

Modern, proven, boring where it should be.

Frontend

React, Next.js, TypeScript, Tailwind, Astro, Vue, Svelte.

Backend

Node.js, Python, Go, PostgreSQL, MongoDB, GraphQL, tRPC.

Cloud

AWS, Azure, GCP, Vercel, Cloudflare, Docker, Kubernetes.

Mobile

React Native, Flutter, Swift, Kotlin, Expo.

AI & ML

OpenAI, Anthropic Claude, Gemini, open-source LLMs, PyTorch, LangChain.

DevOps

GitHub Actions, Terraform, Prometheus, Grafana, Sentry.

Get started

Ready to scope your custom software project?

Book a free 30-minute call. We'll help you shape the right first step — MVP, full platform build, or something in between — and be honest if we're not a fit.

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