Our largest customer generates twenty-five percent of our annual gross revenue. How will an institutional buyer penalize this concentration during an acquisition, and how do we protect our valuation during our exit runway?

Question

Tyler Smith · Accepted Answer

If any single customer accounts for more than fifteen to twenty percent of your revenue, institutional buyers will treat it as a critical threat. To a buyer, losing that one account post-acquisition could wipe out the operating income required to fund debt service and deliver their target return.

Buyers penalize customer concentration in two ways: they reduce your valuation multiple, or they rewrite the purchase agreement to shift risk back onto you. That means lower cash at closing, larger earnouts tied to that specific customer renewing, or extended seller note terms that give the buyer recourse if that client leaves.

To protect your valuation, you must use your multi-year exit runway to address this vulnerability proactively. You cannot simply fire the customer to balance the percentages; you must grow your way out of the concentration.

Focus your sales and marketing seats on your V/TO target market to systematically bring in new accounts. Use quarterly Rocks to secure multi-year, transferable contracts with that primary customer, ensuring the agreement includes change-of-control provisions that survive an acquisition.

Simultaneously, diversify the relationship internally. If you are the only person talking to the executive team at that key account, transition account management to a capable leader who GWC's the role. When you present a concentrated customer that is under a multi-year master services agreement and managed entirely by your leadership team, you significantly soften the buyer perceived risk.