Should I Agree to a Most-Favored-Customer Pricing Clause?
“They just want to make sure nobody gets a better price. That sounds fair, right?”
Your biggest customer’s procurement team added one paragraph to the order form. It promises them your best price, forever. Saying yes feels like the fastest way to close.
Here’s the problem: that paragraph can set the ceiling on every deal you sign after it. Once investors start watching your revenue per customer, that ceiling gets expensive fast.
What the Clause Actually Promises
A most-favored-customer clause, also called MFN for “most favored nation,” guarantees this customer pricing at least as good as anyone else gets. If you later give another customer a lower price, you usually owe this customer the same price too. Some versions even require a refund for the gap.
It Quietly Limits Future Deals
A discount you offer anyone can trigger a price cut for your MFN customer. That changes how you sell:
- a launch discount to win a new logo
- a multi-year deal priced lower for commitment
- a startup or nonprofit program
- a pilot price for a strategic partner
Each one can now cost you revenue on an existing account.
The Fine Print Decides the Damage
Not every MFN is equally dangerous. The risk depends on:
- which products and pricing tiers it covers
- whether “comparable customers” is defined by size, volume, or term
- how long the promise lasts
- whether you must notify the customer or they can audit you
A narrow, time-limited clause can be fine. An open-ended one is a standing pricing liability.
Regulators Watch These Clauses
The Justice Department and the FTC have held a public workshop on MFN clauses. They flagged that these terms can raise costs for other buyers and shut out competitors. Private lawsuits have challenged MFN terms used by Amazon and by Valve. For most startups the bigger risk is commercial, not antitrust, but the scrutiny shows how much power this clause carries.
Common Founder Mistakes
- Treating It as a Throwaway Term: Founders see MFN as boilerplate and sign it to keep the deal moving. It’s a pricing commitment that outlives the deal that created it. You treat it like a discount, because that’s what it is.
- Not Defining “Comparable”: an undefined MFN compares this customer to everyone, including:
- smaller customers on shorter terms
- partners paying for a different bundle
- customers buying at far higher volume
Without a definition, almost any future deal can look like a better price.
- Forgetting Diligence: investors and acquirers read your customer contracts. An open-ended MFN signals that your pricing is capped and your revenue per customer may shrink. You should expect hard questions during a raise or sale.
10-Minute Self-Check
Before you agree to a most-favored-customer clause, you work through this:
- Do you know exactly which products and tiers the clause covers?
- Is “comparable customer” defined by volume, term, and scope?
- Does the promise end after a set number of months?
- Are launch discounts, pilots, and partner programs carved out?
- Is the remedy a future price match, not a retroactive refund?
- Would you be comfortable explaining this clause to an investor?
If you can’t answer yes to all of these, you’re not ready to sign that pricing clause yet.
Bottom Line
A most-favored-customer clause isn’t automatically a deal-breaker. It’s a promise about every future deal you make, so it needs limits. You narrow it, time-box it, and carve out the discounts you know you’ll need.
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