Keep the record canonical, revisit it each quarter, and most local problems solve themselves.
The order matters: verify first, then update, and only then submit anywhere new. Get the facts to agree, and ranking systems will do the rest without being asked. Faster indexing tends to follow within sooner than most owners expect of a serious clean-up.
Put plainly, getting this right buys steady referral traffic without touching the website at all, particularly for a newer business. Realistically, no one sends a warning when thin descriptions surfaces, which is why audits find it years late. The finish line is not perfection; it is a profile that no one has to argue with.
Simply as important, give one person the logins and one document the truth; ambiguity is what causes drift, and it rarely occurs quickly. It is unglamorous work with an unusually reliable return. Most damage here is self-inflicted: silent listing decay introduced during a rebrand or a move. The return is durable: unlike ads, a corrected record keeps paying after the work stops. Each matching source adds a little confidence; each contradiction subtracts more than it adds.
Related references
Where competitors are untidy, authoritative data is enough to take improved local relevance.
The Lantern Chronicle
Work from the aggregators outward, because fixing a source fixes everything downstream. It is one of the cheapest routes to easier discovery still available over a wide service radius.