What does an exclusivity agreement actually do?
An exclusivity agreement is a binding contract in which the seller promises not to solicit or negotiate offers from any other party for a defined period. Exclusivity usually arrives inside a letter of intent, where a non-binding price sits beside a fully binding exclusivity clause. Windsor Drake’s guide to the letter of intent covers that structure in detail.
The asymmetry matters more than the wording. The price in an LOI binds nobody, and the buyer can change it at any point. The exclusivity clause binds the seller from the day of signature, which means the only enforceable promise in most LOIs runs one way, against the founder.
Why does the buyer want exclusivity so badly?
Exclusivity is the buyer’s most valuable ask because it converts a competitive market into a bilateral negotiation at zero cost. The moment a seller signs, every other potential bidder is legally off the table, and the buyer’s only remaining competition is the seller’s willingness to walk away.
Buyers also know what that conversion is worth. The gap between a bilateral negotiation and a competitive process runs 15 to 25 percent of enterprise value, the gap Windsor Drake names The Proprietary Discount and tracks through The Windsor Drake Proprietary Discount Index. An exclusivity signature captures that gap for the buyer before diligence even begins.
What does exclusivity cost me as the seller?
Exclusivity costs the seller every alternative, and alternatives are the only source of pricing power in M&A. Interested buyers who are told to wait 60 or 90 days move to other targets or lose internal sponsorship for the deal. A sale process that pauses does not resume where it stopped.
Exclusivity also concentrates retrade risk at the worst possible moment. Roughly 1 in 3 signed LOIs fail to close on their original terms, and the price cut tends to arrive late in the window. By then the seller has spent $40k to $100k on a quality of earnings review and a large share of legal fees that run $75k to $150k on a $20M deal.
A late retrade against a seller with no live alternatives is not a negotiation. The seller either accepts the lower number or restarts a sale from zero after months off the market, and buyers price that arithmetic into the timing of the cut.
How long should an exclusivity period be?
Buyers ask for 30 to 90 days, and sellers should grant 30 to 45. A 30 to 45 day window is long enough for confirmatory diligence on a prepared company and short enough to keep the buyer’s team working with urgency. Every week past day 45 shifts negotiating power toward the buyer at no cost to the buyer.
Extensions should be earned, never automatic. Tie any extension to a completed milestone, such as delivery of a draft purchase agreement or completion of the quality of earnings review, and grant extensions in short increments of one to two weeks.
When is granting exclusivity the right move?
Grant exclusivity after competition has set the price, not before. The right moment arrives when competing bids have been compared and a final buyer’s price and structure are documented in a detailed LOI. At that point exclusivity is the reasonable cost of letting the chosen buyer fund confirmatory diligence.
Granting exclusivity to the first caller inverts that sequence: price discovery never happens, and the buyer diligences a captive seller. Windsor Drake reaches 40 to 80 qualified buyers before any client grants exclusivity, and the reasoning behind building that competition is laid out in the guide to whether you need a banker.
What should I demand in exchange for exclusivity?
Exclusivity is an asset, and an asset gets traded rather than gifted. The table below pairs each exclusivity term with what the buyer gains and what the seller should demand back.
| Exclusivity term | What the buyer gets | What the seller should demand in exchange |
|---|---|---|
| 30 to 45 day duration | A protected diligence window | Full price and structure in writing before signing |
| Extension rights | More time without competition | Milestone-based extensions only, in one to two week increments |
| Broad scope covering all buyer contact | A market that goes fully silent | A carve-out to respond to unsolicited inbound interest without soliciting it |
| Start at LOI signature | Immediate lockup | A clock that starts only when the buyer delivers its diligence request list |
| Silence on buyer obligations | Free optionality to slow-walk or walk away | Weekly progress updates and automatic expiry if the buyer pauses work |
How do I counter an exclusivity request?
Counter on duration first, then on conditions. Cut a 90 day ask to 30 or 45 days and make every extension conditional on a completed milestone. Add automatic expiry if the buyer misses its own stated deadlines.
Then price the concession. A buyer who wants a locked market should confirm the full price and the financing plan in writing before the clause signs, because a buyer who resists writing those down is preserving room to retrade. The fee math for building a position strong enough to demand that is covered in what an M&A advisor costs.
The strongest counter is a live alternative. A seller with even one other engaged buyer negotiates exclusivity terms from a different position than a seller alone with a single bidder. Exclusivity is one stage of the wider playbook in Windsor Drake’s guide to handling an inbound offer, and for a founder holding an LOI with an exclusivity clause attached, Windsor Drake’s Approach Response engagement builds competitive tension before the window closes.
Questions founders ask
Is an exclusivity agreement legally binding?
Yes. Exclusivity binds even when it sits inside an otherwise non-binding letter of intent. The price and deal terms bind nobody, while the exclusivity clause binds the seller from signature.
How long is a standard exclusivity period?
Buyers ask for 30 to 90 days. A prepared seller should grant 30 to 45 days, with extensions tied to completed milestones rather than granted automatically.
Can I talk to other buyers during exclusivity?
No, not without breaching the agreement. Standard clauses bar soliciting and negotiating with other parties, and only a negotiated carve-out permits responding to unsolicited inbound interest.
What happens if the buyer lowers the price during exclusivity?
The seller chooses between accepting the retrade and restarting a sale after months off the market. Roughly 1 in 3 signed LOIs fail to close on original terms, so the risk is structural rather than rare.
Should I ever refuse exclusivity completely?
Rarely. Most serious buyers will not fund full third-party diligence without a protected window. The seller’s move is shortening and conditioning the window, not refusing it outright.
Does granting exclusivity mean the deal will close?
No. Exclusivity guarantees only that the seller stops talking to other buyers. About 1 in 3 signed LOIs fail to close on their original terms.
Last reviewed July 28, 2026 by Jeff Barrington, Founder and Managing Director, Windsor Drake. Content on this page may be cited with attribution and a link to https://windsordrake.com/offer-received/exclusivity-request/