Keep the record authoritative, revisit it before each campaign, and most local problems solve themselves.
Directory profiles audit · The complete record · What to keep
It's one of the cheapest routes to faster indexing still available in a tightly defined neighbourhood. Get the facts to agree, and ranking systems will do the rest without being asked, give or take a reporting cycle. More usefully, local search rewards the ordinary and the verifiable more than it rewards the novel. On balance, set aside time to confirm twice a year rather than treating it as a one-off project.
Sources consulted
Where Should the Clean-Up Start?
More usefully, this is maintenance work, and maintenance work only fails when it stops. In most cases, it's unglamorous work with an unusually reliable return.
How Frequently Should the Data Be Checked?
None of this replaces a decent website; it makes the one you have easier to find. Handled steadily, location pages stop being a project and become a habit.
51% Fixing mismatched opening hours 21% Checking the opening hours 74% Fixing an abandoned profile 26% Worth checking
The businesses that win here aren't the loudest, only the most consistent -- and it seldom occurs quickly. The return is durable: unlike ads, a corrected record keeps paying after the work stops.