“Why would a business owner switch without knowing what they’re switching to?” The question sounds naive. It is in fact a precise statement of the strangest feature of commercial insurance distribution: buyers routinely sign documents that change who controls their access to the insurance market before they have seen a single quote, term, or condition from the new representative. Understanding why this persists requires understanding what the letter does mechanically.
Commercial carriers will not, as a rule, quote the same account to two brokers. The first broker to register the submission — or the broker holding a signed broker of record letter — owns the market for that account. The rule exists for defensible reasons: it prevents duplicate underwriting work and auction dynamics between agents. But its consequence is that the choice of broker is not a choice of salesperson. It is a choice of which carriers will speak to you at all. A broker with appointments at fifteen carriers and strong relationships with five of them shapes the option set in ways the buyer never sees.
Signing a BOR letter therefore does three things at once. It fires the incumbent broker. It hands the new broker control of every carrier relationship on the account. And it does both before the new broker has demonstrated anything. The buyer has traded an information-rich position — the ability to compare proposals side by side — for a promise. Promises in this market are cheap to make and expensive to unwind, since reversing a BOR mid-negotiation can strand quotes and sour carrier relationships the buyer still needs.
None of this means BOR letters should never be signed. There are accounts where the incumbent has failed, where a specialist broker brings genuinely different market access, and where a clean transfer serves the buyer better than a quoting contest. The point is that the letter is a decision about market structure, and it should be made with the same care as the coverage decision itself. The questions that precede a signature are simple: which carriers will you approach, what do you expect them to say, and what happens to my existing quotes if you are wrong?
A broker who welcomes those questions is telling you something. So is one who does not.
This article is adapted from Samuel’s original LinkedIn post, “Why, indeed? I never got the BOR thing”, published February 4, 2025. Read the original post on LinkedIn →