Quotes that go cold and variations nobody approved
There are two kinds of won work that leak out of a contracting business without anyone deciding to let them go. The first is the quote that was competitive, was probably going to be accepted, and went to someone else because nobody followed it up. The second is the variation that was agreed on site, done properly, and then disputed at invoice because the agreement lived in someone's memory.
Both leaks have the same cause: the task belongs to a role that doesn't exist. Here's how to see them, size them and close them.
Who owns the quotes that don't come back?
Ask that question in most contractors and the answer is "the estimator, when they get a chance". Estimators are measured on quotes out. Following up quotes is nobody's KPI, so it happens when there's time, which in a busy month is never.
The customer meanwhile has three quotes, meant to reply, and got busy. The one they accept is the one whose sender nudged at the right moment. Price is rarely the deciding factor. Presence is.
How variations become disputes
Commercial work generates variations constantly: the client adds a circuit, the site conditions change, the spec was wrong. The variation is agreed in a conversation on site, the work is done, and at invoice time the client's project manager, who wasn't in the conversation, queries the line. Now it's a negotiation, and the contractor is negotiating from the weakest possible position: after the work is complete.
The fix is boring and decisive. A variation isn't a variation until it's written down and approved, ideally before the work starts, and always before the invoice.
Sizing the leak
For quotes: list everything open, with age and value. Anything over 30 days without a touch is at risk. Apply your normal conversion rate to that pile and you have the revenue at stake. Then apply your gross margin, because recovered revenue and recovered contribution are different numbers and only the second one pays wages.
For variations: pull the last twelve months of disputed or written-off items. That's your baseline, and it's usually more than the owner expected. If the history isn't tracked, that fact is itself the finding.
Making it someone's actual job
The fix for quotes is a follow-up sequence that runs on its own: a short check-in at day three, something useful at day seven, an honest close at day fourteen, all in your wording, all stopping the instant the customer replies. Big quotes get handed to a person for a phone call instead of a third email.
The fix for variations is a capture step that takes the site conversation in whatever form it arrives and turns it into a tracked item that needs written approval. An alert fires if work looks like it's proceeding without one.
Both feed one weekly report: what's open, how old, how much, and what's proceeding on a handshake. It's the report every owner wants and nobody has time to compile.