Contract Breach Letter Template & Generator

If you need to notify a client they have breached your contract, a written letter is the recommended first step — it creates a clear record and shows you're pursuing the matter formally. Below is what a strong contract breach letter should include, plus a free tool to generate yours.

What this letter needs to cover

• Identify the specific contractual obligation breached
• Set out the facts clearly with dates
• State this constitutes a material breach
• Give a deadline to remedy
• Warn of legal action and potential damages claim if not resolved

Setting out a breach of contract clearly

Whether the other party missed a delivery deadline, failed to meet agreed specifications, or didn't pay as agreed, a formal breach notice does two things: it puts them on clear notice that you consider the contract broken, and it creates a documented starting point if the matter needs to proceed to a claim later.

What to include before you send it

• Reference to the specific contract or agreement, including the date it was made
• The exact term or obligation you say has been breached
• What loss or impact the breach has caused you
• What you're asking for — remedy, compensation, or performance of the original obligation — and a reasonable deadline

Why specificity matters here

A breach notice that vaguely says "you haven't held up your end of the deal" is far weaker than one that quotes the specific clause or term that was agreed and explains precisely how it wasn't met. If the contract was verbal rather than written, set out clearly what was agreed and when, since this becomes important evidence if the matter is disputed later.

Frequently Asked Questions

Does the contract need to be in writing for this to apply?
No — verbal contracts are generally enforceable too, though written agreements are considerably easier to evidence if the matter is disputed.

What if the other party disputes that a breach occurred?
If they don't accept your position after this letter, small claims court is the usual next step for lower-value commercial disputes, or a solicitor's involvement for larger or more complex matters.

See our full letter template & generator library for related letters, or use our free checkers for guidance specific to your situation.