A change of control clause decides what happens to a contract when one party is acquired, merged, or has its ownership change hands. It usually does one of two things: it treats the ownership change as an assignment requiring consent, or it gives the other side a right to terminate. For anyone running an M&A process, these clauses are the landmines: a deal can stall because a key customer or supplier contract gives the counterparty a veto or an exit the moment control changes.
TL;DR
- A change of control clause is triggered when a party's ownership or control shifts (an acquisition, merger, or sale of substantially all assets), not when the company simply signs new deals.
- It typically produces one of two outcomes: the change is a deemed assignment requiring the other party's consent, or the other party gets a right to terminate the contract.
- The hardest fight is deemed assignment: whether an acquisition of the contracting entity counts as an "assignment" at all. A stock sale where the entity survives often is not a traditional assignment, so parties spell it out.
- For the acquirer in M&A, change of control clauses across the target's contract base are diligence items that can shrink deal value: lost customers, renegotiated terms, or veto rights.
- The biggest review trap is a broad termination-on-change-of-control right with no cure and no carve-out for internal reorganizations, which lets a counterparty walk for a routine corporate restructuring.
What a change of control clause actually does
The clause has two layers: the trigger and the consequence.
The trigger. What counts as a change of control. Common definitions: a sale of more than 50% of voting equity, a merger where the company is not the surviving entity, or a sale of all or substantially all assets. A tight definition matters, because a vague one can be tripped by a routine financing round or an internal holding-company reshuffle.
The consequence. What the other party gets. The two standard outcomes:
- Deemed assignment / consent. The change is treated as an assignment of the contract, so the anti-assignment clause kicks in and the other party's consent is required. Without consent, the change is a breach.
- Termination right. The other party may terminate, often within a notice window, if control changes. This is the cleaner exit for a counterparty who does not want to be tied to whoever buys the other side.
Some clauses combine both: consent required, and a termination right if consent is withheld. The interplay between the change of control clause and the assignment clause is where most of the drafting subtlety lives.
Why it matters: the dollars at stake
Suppose a target company in an acquisition has a flagship customer contract worth $3,000,000 a year, and that contract lets the customer terminate on a change of control.
- If the buyer cannot get a waiver before closing, the customer can walk the day the deal closes, erasing $3,000,000 in recurring revenue and a chunk of the price the buyer paid for that revenue stream.
- If the contract instead requires consent that the customer cannot unreasonably withhold, the buyer has a path: get consent, keep the revenue, and the deal model holds.
That single clause can move millions in enterprise value and is exactly the kind of thing an M&A diligence team flags early. This is an illustrative example, but it is why change of control review is a standard workstream in any acquisition. For the full process, see our M&A due diligence legal workstream checklist.
Who wants what
| Party being acquired | Counterparty | |
|---|---|---|
| Trigger definition | Narrow (true control change only) | Broad (any equity or control shift) |
| Internal reorg | Carved out | Captured |
| Consequence | Consent, not termination | Termination right |
| Consent standard | Not to be unreasonably withheld | Sole discretion |
| Notice window | Short, with cure | Long window to decide |
| Direct competitor acquirer | Still allowed | Hard veto if acquirer is a competitor |
The acquired party wants its corporate freedom preserved (deals close without giving counterparties a veto), while the counterparty wants control over who it ends up doing business with.
Market-standard language
A balanced change of control provision reads close to this:
CHANGE OF CONTROL.
(a) Definition. "Change of Control" means (i) a merger or consolidation
in which a party is not the surviving entity, (ii) a sale of all or
substantially all of a party's assets, or (iii) the acquisition by a
third party of more than fifty percent (50%) of a party's voting equity.
A change of control does not include an internal reorganization or a
transfer to an affiliate.
(b) Consequence. A Change of Control of a party will be deemed an
assignment of this Agreement, subject to Section [Assignment]. The
non-affected party's consent will not be unreasonably withheld, except
that consent may be withheld if the acquirer is a direct competitor of
the non-affected party.
The two negotiation hot spots are the internal-reorganization carve-out (so a routine restructuring is not a trigger) and the competitor exception (the one situation where the counterparty usually gets a real veto). Most balanced clauses give consent that cannot be unreasonably withheld, with competitor acquisition as the named exception.
The negotiation: standard, fallback, walk-away
| Issue | Opening position | Fallback both sides accept | Walk-away |
|---|---|---|---|
| Trigger | Any equity or board change | More than 50% voting equity, merger, or asset sale | Any financing round counts |
| Internal reorg | Captured | Carved out | A trigger that fires on affiliate transfers |
| Consequence | Termination right | Deemed assignment, consent required | Termination at sole discretion, no cure |
| Consent standard | Sole discretion | Not unreasonably withheld | An absolute, unexplained veto |
| Competitor acquirer | Always blockable | Consent may be withheld if a direct competitor | A veto over any acquirer at all |
| Notice / timing | Long decision window | Defined notice with a short cure | Open-ended right to terminate later |
The standard landing spot: a tight trigger, an internal-reorg carve-out, deemed assignment with consent not unreasonably withheld, and a clean competitor exception. That protects the counterparty's real concern (ending up with a competitor) without giving it a veto over every corporate event.
Common carve-outs / variations
- Internal reorganization / affiliate transfer. A move within the corporate family (a holding-company restructure, a transfer to a subsidiary) should not trigger the clause.
- Competitor exception. The counterparty may block or terminate only if the acquirer is a named or defined direct competitor, rather than any acquirer.
- Financing carve-out. A change of equity from a bona fide financing round or an IPO is excluded, so raising capital is not a trigger.
- Notice and cure. The affected party must notify the counterparty, and there is a window to obtain consent before any termination right ripens.
- Assignment by operation of law. Spell out whether a merger that transfers the contract "by operation of law" counts, because the default answer varies and is heavily litigated.
A carve-out that protects routine corporate activity:
The following do not constitute a Change of Control: (i) a transfer to an
affiliate under common control; (ii) an internal reorganization,
recapitalization, or change of corporate form; or (iii) the sale of
equity in a bona fide financing transaction or public offering.
Jurisdiction and enforceability notes
Change of control provisions are generally enforceable, but the interaction with assignment law is where outcomes diverge. Hold these at the principle level:
- Assignment by operation of law is governed by state law and the deal structure. Whether a merger transfers a contract automatically, and whether that counts as a prohibited assignment, varies by state and by the type of merger (forward, reverse triangular). The same anti-assignment clause can produce different results in different states. Spell out change of control expressly rather than relying on the assignment clause.
- Express change of control language controls. Where the contract clearly defines change of control and its consequence, courts generally enforce it. The litigation usually arises when the contract is silent or ambiguous and one side argues an acquisition was or was not an "assignment."
- Reasonableness of withheld consent. If consent cannot be unreasonably withheld, courts will test whether a refusal was reasonable. A blanket refusal with no commercial justification can itself be a breach.
This is general information, not legal advice for a specific deal, and enforceability turns on the governing law and the deal structure. For an acquisition, map every material contract's change of control and assignment language during diligence; see our M&A due diligence legal workstream checklist.
Review checklist: red flags to catch
- A broad trigger that fires on financing rounds, board changes, or affiliate transfers.
- No internal-reorganization carve-out, so a routine restructuring trips the clause.
- Termination at sole discretion with no cure and no competitor limiter.
- Reliance on the assignment clause alone to control change of control (often does not bite on a stock sale).
- No competitor exception when the real concern is who the acquirer is.
- Silence on assignment by operation of law, leaving merger treatment ambiguous.
- A counterparty veto over any acquirer, not just a direct competitor.
How it interacts with other clauses
- Assignment: the partner clause; change of control is usually drafted as a deemed assignment subject to the assignment rules.
- Termination: the alternative consequence when consent is withheld or the counterparty wants an exit.
- Material adverse change: another deal-protection clause that can let a party walk before or after a transaction.
- Survival: determines which obligations carry through after a change of control or termination.
- Notices: the change of control notice and consent process runs through the notice mechanics.
FAQ
What is a change of control clause? It is a contract provision that sets what happens when one party's ownership or control changes through an acquisition, merger, or sale of substantially all assets. It usually treats the change as an assignment requiring consent or gives the other party a right to terminate.
What triggers a change of control? Typical triggers are a merger where the company is not the surviving entity, a sale of all or substantially all assets, or a third party acquiring more than 50% of voting equity. A well-drafted clause carves out internal reorganizations, affiliate transfers, and financing rounds.
Is a change of control an assignment? Not automatically. In a stock sale where the contracting entity survives, there is often no traditional assignment, so a bare anti-assignment clause may not apply. In a merger, the contract may transfer by operation of law, and whether that counts depends on the wording and the state. This is why parties define change of control expressly.
Why do change of control clauses matter in M&A? Because they can let key customers or suppliers terminate or block the deal when control changes. Across a target's contract base, these clauses are diligence items that can erase recurring revenue or force renegotiation, directly affecting deal value.
Can a counterparty terminate just because we were acquired? Only if the contract gives them that right. Some clauses grant a flat termination right on change of control; better-balanced ones require consent that cannot be unreasonably withheld, with a competitor acquirer as the usual exception. Read the specific consequence and any carve-outs.
What is the competitor exception? It is a carve-out that lets the counterparty block or terminate only if the acquirer is a direct competitor, rather than any acquirer. It targets the counterparty's real concern, ending up doing business with a rival, without giving them a veto over every corporate event.
How do you protect a deal from change of control clauses? Map every material contract's change of control and assignment language in diligence, identify which require consent or grant termination, and seek waivers or consents before closing. Tight definitions, internal-reorg carve-outs, and a "not unreasonably withheld" consent standard reduce the exposure going in.
Related clauses
Clauses that get negotiated alongside this one.
