Our largest single client represents thirty-five percent of our total annual revenue. How do we systematically dismantle this concentration risk on a three-year runway so it does not collapse our transaction value?

Question

Tyler Smith · Accepted Answer

Customer concentration above twenty percent is one of the fastest ways to kill a deal or force an owner into a punitive earn-out or seller note. Buyers view heavy concentration as an existential risk because losing that single account could wipe out your operating cash flow and prevent debt service. Addressing this on a three-year runway requires deliberate commercial and contractual adjustments.

First, establish customer diversification as a company-wide priority on your V/TO. Set a multi-year target to grow overall revenue so that the concentrated client represents a declining percentage of the total, even if that client spends more in absolute dollars. Make new account acquisition and expanding tier-two clients a mandatory company Rock every quarter.

Second, institutionalize the client relationship. If you personally manage the account, you have compound key-person and customer concentration risk. Build a cross-functional account team. Transition primary communication to an account manager, operational delivery leads, and technical directors so the client views the entire organization as their partner, not just the founder.

Third, harden the commercial contract. If the concentrated client operates on thirty-day terms or a loose master service agreement, negotiate a multi-year agreement with clear renewal terms, early termination penalties, and standard assignability clauses that survive a change of control. Acquirers will still discount the concentration, but an ironclad, multi-year contract reduces the probability of immediate defection post-closing.