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A reconciliation engine that sits beside the existing system, reads what it already produces, and closes invoicing. Aimed at construction project managers, writing down what only one person knows.
In short: Construction Invoice Engine on Reconciliation is a reconciliation engine aimed at construction project managers, covering invoicing. It scores 73/100 on AltF Ideas, carried by moat (89) and held back by feasibility (51). Typical pricing is $1.1k–$23k per customer per year, with a first version reachable in six to twelve months for $32k–$109k.
Construction teams lose invoices assembled from four systems by hand. The work sits between two systems that were never designed to talk. The backlog only surfaces when a customer or an auditor finds it first.
A narrow reconciliation engine scoped to invoicing alone — no platform, no migration, no six-month rollout. Revenue is seat saas, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $1.3B |
|---|---|
| Category growth (CAGR) | 23% |
| Annual contract value | $1.1k – $23k |
| Pricing model | Seat SaaS |
| Time to first revenue | 56 days |
| Startup cost to MVP | $32k – $109k |
| Build effort | 6-12 months |
Systems that never talked now expose APIs by default. 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 |
|---|---|
| A spreadsheet | The real incumbent in most of the market, and it is free |
| An offshore back office | Cheaper per hour, but does not scale down to the tail |
| The incumbent suite | Sells a platform; this job is one neglected module inside it |
The buying cycle is slower than the build, so runway assumptions matter more than code.
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