Profit Per Client: The Metric That Changes How You Price and Who You Serve

Most companies measure revenue per client. However, the companies that scale profitably focus on contribution margin per client. Here's how to calculate it and what to do with the answer.

Not all clients are equal. Some generate strong revenue but cost so much to serve that their actual contribution to your business is near zero — or even negative.

Calculating profit per client is one of the highest-leverage analytical exercises a $1M–$20M company can undertake.

Profit per client can be calculated using the following formula:

Profit per client = Revenue from client − Direct COGS − Allocated labor hours × hourly cost − Support tickets × avg resolution cost − Account management time × hourly cost

For product businesses, also subtract returns, exchanges, and associated shipping.

What You'll Find

Almost universally, the top 20% of clients by revenue contribution generate 60–80% of actual profit. Conversely, the bottom 20% by contribution often consume 30–40% of delivery resources.

Here are some options for addressing low-contribution clients:

This analysis fundamentally changes how you write proposals, structure pricing, and prioritize your sales team.