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A retrieval engine that sits beside the existing system, reads what it already produces, and closes proposal writing. Aimed at construction project managers, proving value before anyone signs anything.
In short: Proposal Builder for Construction, Run by Retrieval is a retrieval engine aimed at construction project managers, covering proposal writing. It scores 77/100 on AltF Ideas, carried by moat (95) and held back by monetisation (67). Typical pricing is $1.0k–$20k per customer per year, with a first version reachable in about a quarter for $16k–$40k.
Construction teams lose proposals rebuilt from scratch that are 80% identical. It is the kind of task that is too small to fund and too costly to ignore. Most operators assume this is simply the cost of doing business.
A retrieval engine that handles proposal writing end to end and hands a human the exceptions rather than the queue. Revenue is seat saas, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $759M |
|---|---|
| Category growth (CAGR) | 19% |
| Annual contract value | $1.0k – $20k |
| Pricing model | Seat SaaS |
| Time to first revenue | 43 days |
| Startup cost to MVP | $16k – $40k |
| Build effort | ~1 quarter |
Retrieval over private documents became cheap enough to run per query. Construction is growing at roughly 20% a year, and this job has not been re-tooled since it was designed around paper.
| Who | The gap |
|---|---|
| An offshore back office | Cheaper per hour, but does not scale down to the tail |
| A spreadsheet | The real incumbent in most of the market, and it is free |
| A vertical competitor | Priced and scoped for enterprise accounts, not this segment |
Trust has to be earned before anyone lets this run unsupervised.
An idea you cannot act on is entertainment. Four concrete steps, wired to tools already running on AltFTool.
Score problem urgency, willingness to pay, and reachable audience size before writing any code.
→ AltF IdeaLabAsk how they handle this today and what it costs them. If nobody can quantify the pain, the demand score is optimistic.
→ Survey BuilderCheck availability, DNS, and email authentication in one pass so your first outreach lands in an inbox.
→ AltF DomainOpsStand up intake, the review queue, and billing before you build the clever part.
→ AltF Flow