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Web App Development · UK · Canarlo, Leeds
Canarlo is a web app development company based in Leeds. Production-grade MVPs and internal tools from £12,500 — real auth, a real data model, built to survive real customers.
Web App Development, city by city
A prototype proves the concept. What we build proves the business — real authentication, a real data model, security enforced at the database rather than promised in a demo. Most "MVP agencies" ship the first one and disappear when it needs to become the second.
The problems worth building web apps around look different by city — a client portal replacing a spreadsheet in Harrogate, a WMS-integrated dashboard for a Wakefield distribution firm, an MVP hardened for real customers after a Sheffield spinout's grant funding. The city pages below cover what we've actually seen; pricing and delivery are the same everywhere.
For the service itself — what we build, how it works, pricing — see /services/web-apps. The city pages below cover local context and on-site availability.
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What you get
The key user journey — whatever makes the product useful — built and tested on real data. Not a mockup.
Sign-up, sessions, password reset, TOTP. Per-row security enforced at the database, not just the UI.
The one capability that makes the product worth building, built as a first-class part of the system.
Your Vercel account, your Supabase project, your keys. We deploy and walk off — no agency-held infrastructure.
MVP / Web App from £12,500. Fixed scope, GBP invoicing, no day-rate dance.
See full pricing →Frequently asked
A prototype proves the concept; an MVP proves the business. What we build is production-grade — real auth, real data model, real security — not a throwaway you rebuild once it gets traction.
You do. Your repo, your Vercel account, your Supabase project, your keys. No Canarlo SaaS in the loop. The handover doc names every environment variable, cron job and integration.
Start with discovery — two weeks, fixed fee. One scoping call, a written brief, the load-bearing pieces named and the failure modes mapped before anything is built.
The whole UK, remote-first from Leeds. On-site availability is best across Yorkshire — same-day for West Yorkshire, an easy train for York, Harrogate, and Sheffield. The city pages below cover local availability and sector context; the scope and pricing are the same everywhere.
Start here
Twenty minutes, UK office hours. If the work fits, we’ll say so. If a different service on this site fits better, we’ll say that too.