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Proposal writing handled by a retrieval engine, with a human signing rather than writing. Aimed at marketing agencies agency owners, at a tenth of what the enterprise suite charges.
In short: Proposal Builder for Marketing agencies Agency Owners is a retrieval engine aimed at marketing agencies agency owners, covering proposal writing. It scores 76/100 on AltF Ideas, carried by demand (92) and held back by open field (22). Typical pricing is $3.1k–$56k per customer per year, with a first version reachable in about a quarter for $12k–$36k.
Marketing agencies 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. The cost is invisible on any P&L line, which is why it never gets fixed.
Proposal writing handled by a retrieval engine, with a human signing rather than writing. Revenue is per-project, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $1.0B |
|---|---|
| Category growth (CAGR) | 17% |
| Annual contract value | $3.1k – $56k |
| Pricing model | Per-project |
| Time to first revenue | 57 days |
| Startup cost to MVP | $12k – $36k |
| Build effort | ~1 quarter |
Retrieval over private documents became cheap enough to run per query. Marketing agencies is growing at roughly 14% a year, and this job has not been re-tooled since it was designed around paper.
| Who | The gap |
|---|---|
| A vertical competitor | Priced and scoped for enterprise accounts, not this segment |
| The incumbent suite | Sells a platform; this job is one neglected module inside it |
| An internal hire | Works until volume doubles, then breaks again |
Every customer wants their own edge cases encoded, so onboarding cost is the real constraint.
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