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Proposals for a security installer

Our work for a UK company that installs alarms and CCTV for homes and businesses.

The problem

After each site survey, someone wrote the proposal by hand in Word. That meant copying prices from a spreadsheet, describing the same equipment again for every customer, and fixing the layout each time. It was slow, and prices could be copied wrongly.

What we built

A web app the surveyors sign in to. They enter the client, the property, their concerns and the equipment needed. The software prices everything from the company's own product list, including VAT. The AI writes a clear explanation of why each item suits that property, in the company's tone. Out comes a branded Word proposal.

Every proposal is saved, so staff can search for any client and download what was sent. Admins update product prices themselves. Proposals already sent keep the prices they were issued with.

How it keeps prices right

The AI never sees a price. It only writes the words. Every figure in the proposal comes from the product list, calculated by the software, so a total can't be made up or mistyped.

  1. Surveyor
    Enters the surveyProperty, concerns, equipment and quantities
  2. Price list
    Prices and totals worked outCalculated by the software, including VAT
  3. AI
    Writes the explanationWhy each item suits this property, in the company's tone
  4. Customer
    Receives a branded proposalWord document, saved to the history
Built with
Python, FastAPI and PostgreSQL, with Claude by Anthropic for the writing
Hosted
On Render, in the EU
Used by
Surveyors and office staff, each with their own login
Service
Document generator

Write the same documents every week?

The document generator can be set up around your forms, your prices and your branding.

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