Landing a whale of a client can feel like a monumental victory. It can cause your agency’s revenue to shoot up overnight, making the business look bigger and more impressive than ever. But in the world of mergers and acquisitions, what appears to be your greatest strength can be perceived as your most dangerous weakness.
This is the risk of client concentration. Building your agency’s revenue on the back of a few massive clients creates a vulnerability that a sophisticated buyer will immediately identify. This is why they will pay a premium for a stable, resilient agency built on a diversified client base.
Why Client Concentration is a Major Red Flag
A buyer’s primary goal is to acquire a stable and predictable stream of future revenue. High client concentration directly undermines this stability. The logic is simple: the departure of one or two large clients could create a catastrophic hole in the agency’s revenue, severely impacting its financial health and the buyer’s return on investment.
This is why buyers and lenders have established clear benchmarks for assessing this structural risk. A business is often considered to have high concentration risk if:
- A single client represents more than 10-15% of your total revenue.
- Your top five clients collectively account for more than 25% of your revenue.
Falling outside these guidelines is a major red flag that will lead to intense scrutiny, a lower valuation multiple, or even a buyer walking away from the deal entirely.
The Buyer’s Due Diligence Process
During due diligence, a buyer will conduct a thorough analysis of your agency’s revenue stability. They will meticulously review your financial records and commission statements to identify and measure the size of your largest accounts.
Be prepared for this analysis. Proactively providing an anonymized list of your top 10-12 accounts—detailing their longevity, line of business, and commission—is a powerful way to build trust and transparently address their concerns from the start.
How to Mitigate Client Concentration Risk
If your agency has high client concentration, the time to reinforce it is now, long before a sale is on the horizon.
- The Best Defense is Diversification: The most powerful strategy is to make a strategic push to actively pursue new clients in different industries, sizes, and demographics. By adding more clients to your book, you distribute the revenue, increase stability, and reduce your reliance on any single relationship.
- Strengthen Your Key Accounts: If you have large, foundational clients, you must prove their stability. This means being prepared to showcase the long-standing, deeply entrenched nature of these relationships, supported by strong contractual agreements and a consistent history of high retention. This gives a buyer confidence in their stability.
While large clients will always be an important part of a successful agency, building a truly valuable and enduring business requires a strategic focus on diversification. By building a stable and resilient business, you eliminate one of a buyer’s biggest fears and prove that you have built an asset worthy of a premium valuation.
Ready to run a deep analysis of your client base? Create your free Milly Books account to leverage our AI-powered Book Valuation Engine, a powerful tool to understand the strengths and risks within your agency’s most valuable asset.