Service
AI Software Development for UK Businesses: From Demo to Live Product
AI software development is building an app or internal tool with AI inside it, and getting it live. HAeX builds this for UK businesses. The demo is the easy part. The work is making it hold up on real data, with real users and real limits. Price is scoped on a call.
- We build in stages and show a working version each time.
- We test on your real data early.
- Every build has a UK GDPR and data flow note.
Written by the HAeX team. Last reviewed 12 November 2026.
- Price
- Scoped on a call, quoted in writing before we build
- Time to live
- Agreed in the quote, stage by stage
- Tools
- OpenAI, Claude, Python, your cloud
- Control
- Human sign off points and a log of AI actions
- Data
- Where it is stored is agreed per project and written in your data note
It is ordinary software work with AI as one of the parts. There is a front end, a back end, data, logins and testing. The AI model is one component among them.
What is AI software development?
That matters because most failures are not about the model. They are about data, access, speed and what happens when something breaks.
Is a custom app the right move for my business?
It is if no product fits and the tool will be used often. It is not if a standard product does the job or only two people will use it.
Many firms are better served by an automation or a tool that links existing software. We say so before you spend. If you are unsure, our AI Consultancy service helps you decide.
Why does a good demo fail in real use?
A demo uses tidy data and one happy path. Real use brings messy files, odd cases and impatient users.
We close that gap early. We test on your real data in the first stage and list the odd cases before we build the rest. That is how we avoid the demo that worked and the product that did not.
Here is a worked example with assumed figures. It is not a client result.
What does a worked example look like?
Say a firm quotes 12 jobs a week and each quote takes 45 minutes of reading specs and pricing. That is 9 hours a week. A quote tool reads the spec, finds matching past jobs and drafts the quote with prices from your own list. A person checks each draft in about 10 minutes.
We can work through this with your own details on a free call.
How does a project run, in stages?
It runs in four stages, and you approve each one.
- 1
Discovery call (30 minutes)
You describe the users and the job.
- 2
Audit and quote
We test the riskiest part on a sample and quote in writing.
- 3
Build in stages
We ship a small working version, then add to it.
- 4
Run and improve
We monitor, fix and improve after launch.
If you only need a first version, we can stop after the small working version.
Who owns the software?
Ownership terms are set out in your contract before work starts.
Ask every supplier this question before you sign. We answer it on the call, and we hand over the code, the access details and a plain guide.
Sometimes. We review the code, the data and the plan first. Then we tell you plainly whether to fix it or restart.
Can you rescue a stalled project?
Common causes of a stall are a vague scope, a model that changed or a supplier who left. We do not promise a rescue before we have looked.
What does it cost to run after launch?
There is a running cost: hosting, model use and support. We estimate it before you commit, so the first month does not surprise you.
Model costs scale with use. We choose the smallest model that does the job well, and we set limits and alerts. A care plan covers monitoring and fixes.
Is it safe under UK GDPR?
It can be. Every build has a UK GDPR and data flow note, a DPIA where needed, and named sign off points.
We design access so people see only what they should. We state which provider processes data and where. For a policy, see AI governance and compliance.
Price depends on scope, users, data and risk. We scope it on a free call, test the riskiest part and quote in writing.
What does AI software development cost, and what is next?
Bring a sketch or a description of the tool. This page sits under AI development. For text tools, see generative AI development.
Questions that come up
How much does AI software development cost?
It depends on scope, users and risk. We scope it on a call and quote in writing.
Can you build an MVP first?
Yes. A small working version is how we start, and you decide what comes next.
Who owns the source code?
That is set in the contract before work starts, and we explain it on the call.
Can you work with our developers?
Yes. We can build alongside your team or hand over to them.
Do you build mobile apps?
We focus on web apps and internal tools. Tell us what you need and we will say.
Can you connect the app to our systems?
Yes. See AI integration for how we do that.
What happens on the call
- 1
You describe the tool and who will use it
- 2
We say whether to build, buy or automate
- 3
You leave with a short list of what to automate first and a rough idea of cost
Prefer to talk first? Ring 07435 708864.
What you now know
- What AI software development is
- Whether a custom app fits you
- Why demos fail in real use
- What a week looks like with and without it
- How the stages work
- Who owns the software
- Whether a stalled project can be rescued
- What it costs to run
- How we handle UK GDPR
- What it costs and your next step
Talk through your software project
The first call is free. We say what a live version would need and who would own it.
