close/seal the deal

phrase

: to make an agreement official

We were about to close/seal the deal when we realized that there was a mistake in the contract.

Examples of close/seal the deal in a Sentence

Recent Examples on the Web

Five fourth quarter free throws from Alex Barther II helped seal the deal. — Charles Baggarly, Fort Worth Star-Telegram, 7 Mar. 2026

To help seal the deal, Benard showed Dusty and Melissa photos of Nicaragua’s stunning landscape. — Daniel Brown, New York Times, 6 Mar. 2026

Now, looking to close the deal in early 2027, the company has to answer to regulators — and sell its members on the agreement. — Sacbee.com, 4 Mar. 2026

Storm Pizarro is a new state champion for Putnam and did her thing to seal the deal in the end. — Brian Fabry, Boston Herald, 22 Feb. 2026