This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Discover when and how a commercial contract can be assigned under English law. This guide explains what rights can be transferred, how contractual terms and consent affect assignment, the difference from novation, and practical steps for enforcing assignments in business agreements.
In commercial law, assignment refers to the process by which one party transfers its rights under a contract to another party. This concept is important in business transactions, financing arrangements and corporate reorganisations. Whether a commercial contract can be assigned - and what that means for the parties involved - depends on the terms of the contract, the type of rights involved, and applicable legal rules in England and Wales.
This article explains how assignment works, what can and cannot be assigned, the role of contractual clauses, how obligations differ from rights, and practical steps businesses should consider before attempting an assignment.
What Does “Assignment” Mean in Contract Law?
An assignment is a legal mechanism through which a party (the assignor) transfers its benefits or rights under a contract to another party (the assignee). In a commercial context, this commonly involves assigning the right to receive payment, performance or other contractual benefits to a third party.
For example, a supplier might assign the right to receive payments under a supply contract to a financing company. Once the assignment is effective, the assignee can enforce those rights against the original contracting party.
What Rights Can Be Assigned?
Generally Assignable Rights
Under English contract law, contractual rights - such as the right to be paid, to receive goods or services, or to enforce certain obligations - are typically assignable unless:
- The contract prohibits assignment;
- The contract makes assignment subject to the other party's consent; or
- The rights are inherently personal or non‑assignable by nature (for example, performance based on a specific individual's skill or reputation).
In the absence of express restrictions, assignment can take place without the counterparty's consent.
Rights That May Not Be Assignable
Not all rights can be freely assigned. Rights that are personal to a party, such as those involving unique skills, personal services or licences restricted by statute or regulatory requirements, often cannot be assigned without specific agreement.
Can Obligations Be Assigned?
Unlike rights, the burden of contractual obligations (such as providing goods, services or performance) cannot be assigned unilaterally. This is because obligations involve continuing duties owed to the counterparty, and transferring them fundamentally changes the contractual relationship.
If a party wishes to transfer both rights and obligations, the correct mechanism is usually a novation. A novation is a new agreement in which:
- The original contract is replaced by a new contract involving the assignee;
- The assignee takes on the assignor's rights and obligations; and
- The original party is released from future liability, subject to all parties' consent.
Novation always requires the agreement of all parties because it alters the parties to the contract and their obligations.
The Default Legal Position
Under English contract law, and in the absence of contrary terms, the benefit of contractual rights can generally be assigned. This reflects the principle of freedom of contract and commercial practicality: businesses often need to assign payment rights, receivables or other benefits as part of financing or restructuring.
Where a contract is silent on assignment, the law allows the assignor to transfer the benefit of the contract rights. However, the burden (the obligations under the contract) remains with the original party unless all parties agree to a novation.
Contract Clauses That Affect Assignment
Prohibition Clauses
A contract may contain an express provision that prohibits assignment or transfer of rights. Where such a clause exists, attempting to assign in breach of it may be a breach of contract and could render the assignment ineffective or give rise to a claim for damages.
Consent Clauses
Many commercial contracts allow assignment only with the consent of the other party, often specified as “prior written consent” and sometimes qualified as not to be “unreasonably withheld”. These clauses give the original counterparty control over who becomes the assignee.
Licence to Assign
Where consent is required, parties may use a separate license to assign, which is a formal document granting permission for the assignment under defined terms and conditions. This is common in commercial leases, franchise agreements and supply contracts.
Notice and Formal Requirements
To ensure an assignment is effective under English law, the assignor usually must:
- Check the contract terms to see if assignment is allowed or restricted;
- Provide formal notice of assignment to the original counterparty; and
- Ensure the assignment is properly documented, typically in writing (and sometimes executed as a deed).
For certain assignments, such as legal rights under the Law of Property Act 1925 (e.g., debt assignments), the notice requirement is particularly important: until notice is given, the counterparty can still validly perform obligations to the original assignor.
Practical Examples of Assignment
Assigning Receivables: A business may assign its right to receive payment from a customer to a financing company as part of invoice financing. The assignee then collects payments directly from the customer after notice is given.
Group Restructuring: A company selling part of its business may assign contracts with customers to the buyer, especially where those rights represent part of the value being transferred. Consent clauses and novation may be part of the agreement.
Lease Assignment: In commercial property, tenants often seek to assign leases to new tenants. The lease may specify conditions for assignment, including landlord consent and any licence to assign.
Common Issues and Risks
Breach of Assignment Restrictions
Assigning rights in breach of an anti‑assignment clause or without required consent can expose the assignor to claims for breach of contract or arguments the assignment is ineffective. It is vital to review contractual terms before proceeding.
Obligations Not Transferred
Failure to novate means the assignor remains liable for obligations under the contract even after assigning rights. If the assignee fails to perform, the original party may still be held accountable.
Personal and Regulatory Restrictions
Some rights, especially those involving statutory or regulatory approvals, licences or personal performance, may be non‑assignable. Assignors and assignees should clarify whether regulatory consent is required.
Key Takeaways
A commercial contract can be assigned in England and Wales, but what can be assigned and how depends on legal rules and the contract's terms. Generally, parties can assign their rights under a contract, such as the right to receive payment, unless the contract prohibits assignment or makes it subject to consent. However, contractual obligations cannot be transferred by assignment alone; they require a novation agreed by all parties. To ensure a valid and enforceable assignment, it is essential to check the contract, follow any consent or notice provisions, and document the transfer carefully. Understanding these distinctions and steps helps businesses manage risk and maintain contractual certainty when rights are transferred.
