What is an assignment clause?
An assignment clause controls whether a contract can be handed to someone else. Learn why 'no assignment without consent' matters, the change-of-control loophole, and what affiliates language does.
The short answer
An assignment clause says whether either side can transfer the contract — its rights and obligations — to someone else without permission. The standard version bans assignment without written consent. Watch for two carve-outs: transfers to "affiliates" and transfers "in connection with a merger or sale", which can quietly hand your contract to a competitor or a company you would never have chosen.
Why anyone cares who holds the contract
A contract is a relationship. You chose this supplier's quality, this client's payment habits, this partner's ethics. If contracts could be freely transferred, you could wake up contracted to a stranger — or to your direct competitor.
The assignment clause is the lock on that door. The default legal rule in many places actually allows assignment of contract rights unless the contract says otherwise, which is why almost every commercial contract says otherwise.
The two standard carve-outs
Even strict clauses usually allow assignment without consent to an "affiliate" (a company in the same corporate group) or "in connection with a merger, acquisition, or sale of substantially all assets".
The affiliate carve-out is usually fine. The change-of-control carve-out deserves a hard look: it exists so companies can be sold without chasing thousands of consents, but it means your biggest customer can become your biggest competitor's contract overnight.
- Consent requirement — the baseline protection for both sides.
- Affiliate carve-out — transfers within the same corporate family.
- Change-of-control carve-out — transfers on merger or sale of the business.
- Automatic termination on change of control — an alternative some parties negotiate instead.
One-way assignment rights
Read carefully whether the restriction is mutual. Some contracts say you may not assign, but the other side "may assign this Agreement freely" — or, subtler, list carve-outs that only make sense for them.
If the other side can hand your contract to anyone but you cannot, the relationship is not a partnership; it is an asset they can sell.
Subcontracting is assignment's cousin
Watch for subcontracting language near the assignment clause. A company that cannot assign the contract may still subcontract the actual work to someone else — sometimes to anyone, anywhere, with no approval needed.
If who performs the work matters to you — and it usually does — restrict subcontracting or require disclosure and approval.
Sample clause language
Illustrative wording, written for this guide — not copied from any real contract.
Neither party may assign this Agreement without the other party's prior written consent, except that either party may assign it without consent to an affiliate or to a successor in connection with a merger or sale of substantially all of its assets, provided the successor is not a direct competitor of the non-assigning party.
Mutual, with the standard carve-outs plus a competitor guard — a genuinely balanced version.
Customer may not assign or transfer this Agreement without Vendor's prior written consent. Vendor may assign this Agreement at any time, including to any affiliate or acquirer, without consent.
They can sell your contract to anyone; you cannot transfer it at all.
Red flags to look for
- Assignment rights that run one way only.
- A change-of-control carve-out with no competitor exclusion.
- No clause at all — in many jurisdictions rights are then freely assignable by default.
- Unrestricted subcontracting language that lets a stranger do the actual work.
- "Consent may be withheld at Vendor's sole discretion" combined with an exit fee.
What to ask for
- Make the clause mutual — whatever they can do, you can do.
- Keep the change-of-control carve-out but exclude transfers to your direct competitors.
- Add notice: even permitted assignments must be notified in writing within 30 days.
- Restrict subcontracting of the core work, or require disclosure of subcontractors.
- If you genuinely could not work with a stranger, add a termination right on change of control.
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Frequently asked questions
What happens if someone assigns a contract in breach of the clause?
The assignment is usually void or voidable, and the breach itself can give the other side a right to terminate and claim damages. In practice, courts sometimes uphold the transfer but award damages — so do not rely on being able to undo it.
Does a merger count as an assignment?
It depends on the deal structure and the wording. A stock sale often is not technically an assignment at all — the same legal entity continues, just with new owners. That is exactly why the change-of-control carve-out language matters.
Should I worry about this in a small freelance contract?
Briefly, yes. Make sure the client cannot hand the contract to anyone without asking you, and that you can get out if the client's business is sold to someone you would not work with.
Related guides
This guide is general educational information about how these clauses usually work. It is not legal advice, and contract law differs by jurisdiction. For a decision that matters, speak to a qualified lawyer.