How Much Does Custom Software Cost in the UK?
Custom software in the UK ranges from £5,000 for a focused internal tool to £50,000+ for a full SaaS platform. The figure is driven by scope, integrations and scale. Here’s an honest breakdown of the tiers, the cost drivers, and how we phase builds so you fund and validate in stages rather than all at once.
Price Tiers Explained
£5,000 – £12,000
Replacing a painful spreadsheet or manual process.
- Single-workflow app
- Admin + user roles
- Reporting
- One or two integrations
- Cloud hosting set-up
£12,000 – £25,000
Operations software running a core part of the business.
- Multiple workflows
- Dashboards & exports
- Several integrations
- Role-based access
- Audit logging
£25,000 – £50,000
Products sold to customers or large internal platforms.
- Multi-tenant SaaS
- Billing & subscriptions
- Scalable architecture
- API ecosystem
- Advanced security
£50,000+
Mission-critical systems with demanding requirements.
- Complex domains
- High scale & uptime
- Deep integrations
- Dedicated team
- Full ownership
What Affects the Final Price
Scope & workflows
Each distinct workflow, role and screen adds design, build and testing. A single-process tool is a fraction of a multi-module platform.
Integrations
Every external system (payments, accounting, third-party APIs) adds scope. Standalone software is cheaper than deeply connected systems.
Scale & uptime
Software expecting high traffic or strict uptime needs more robust architecture, adding cost up front to avoid costly rebuilds.
Security & compliance
Sensitive data (financial, health) requires encryption, audit logs and careful design around UK GDPR, adding necessary scope.
Costs Most Quotes Don't Mention
DIY vs Freelancer vs Agency
No-code platforms suit simple internal tools but hit walls on complex logic, scale and integrations. Freelancers can build smaller systems but carry real delivery risk on long, business-critical projects. UK software houses deliver strong work with proper process at £40,000–£150,000+. We provide the same engineering discipline — architecture, testing, documentation, ownership — at a price fixed once the scope is agreed, quoted in GBP, with a strong daily overlap so communication never suffers.
How Codingclave Quotes
You get a free written quote within 24 hours, and the price is fixed once the scope is agreed. Payment is 40% at the start, 40% at a mid-project milestone and 20% at launch. You own the source code and IP on final payment, and bug fixes are free for 6 months after launch. We work remotely from Lucknow, India, Monday to Saturday, 10:00–19:00 IST (04:30–13:30 GMT).
Cost Questions
Yes, completely. On final payment you own the full source code and repositories with documentation. You’re never locked to us — you can take the code to any developer as you scale.
We scope into milestones with a working deliverable at each stage, reviewed over WhatsApp and shared environments. You see progress continuously and can adjust scope between phases rather than committing everything up front.
Where you choose. We agree the hosting provider and region with you during scoping and write it into the quote, so you know before the build starts where the data will live. Encryption in transit and at rest, role-based access and audit logs are part of the build.
Yes — and we recommend it. Start with a core tool or MVP, validate it in the business, then fund further modules. Phasing reduces risk and spreads investment.
Cloud hosting, any third-party API fees, and maintenance/support scaled to the system. We set these out clearly so the running cost is predictable.