Builds get you paid once. Support is what a buyer can keep.

A web development company with a maintenance book is a different file to a project shop that starts from zero every month. Say which one you are running.

Codebases, CMS choices and a handful of key developers matter. So does whether clients will stay if your name comes off the invoices. A private buyer who already runs a studio will ask those questions without a 40-page information memorandum.