Is an Unwritten Contract Legally Binding
22 May 2026

Is an Unwritten Contract Legally Binding?

Major deals are often struck with a word and a handshake, based on mutual trust or the belief that documentation can wait. But is an unwritten agreement legally binding if the other party denies it later?

Under Article 31 of the Civil Transactions Law, a contract is formed by the union of an offer and acceptance to create a legal effect, subject to any specific formal requirements set by law.

  • Article 32 confirms that consent is achieved when the wills of two (or more) competent parties align.
  • Article 33 allows this expression of will to be made via speech, writing, intelligible signs, or conduct (Mu’ata). It can be explicit or implied, unless the law or the nature of the transaction requires a specific form.

The Verdict: An oral contract that meets the essential pillars (Consent, Subject Matter, Cause, and Capacity) is fundamentally valid and binding. However, being binding is one thing; being proven is another.

2. The Real Dilemma: Proving Unwritten Contracts

A right that cannot be proven is practically a lost right. When a party denies an oral agreement, the “Burden of Proof” falls on the claimant. Under the Law of Evidence, the principle is: “Evidence is provided by the claimant, and the oath is taken by the denier.”

The strength of evidence for oral contracts follows this hierarchy:

  • Admission (Iqrar): The counterparty confesses to the agreement. This is the strongest evidence but the hardest to obtain.
  • Testimony (Shahada): Testimony from those who witnessed the agreement. Per Article 68, testimony is allowed where written evidence was required if:
    • There is a “Principle of Written Proof” (a document suggesting the contract exists).
    • There is a physical or moral bar preventing written evidence (e.g., immediate family ties).
    • The written evidence was lost due to circumstances beyond the claimant’s control.
    • Restriction: Testimony cannot generally be used to prove transactions exceeding SAR 100,000 if the law requires writing or if it contradicts a written document.
  • Presumptions (Qara’in): Circumstances that suggest an agreement exists, such as:
    • Partial payment of the price.
    • Commencement of execution.
    • Correspondence regarding deal details.
  • The Decisory Oath: Asking the denier to swear by God. This is a final resort to reclaim a right if the party refuses to swear falsely.

3. Contracts Where Writing is Mandatory

Consensualism has strict statutory exceptions. The following contracts must be in writing, or they are considered void or unenforceable:

  • Articles of Association (Company formation).
  • Real Estate Title Transfers.
  • Employment Contracts.
  • Commercial Arbitration Agreements.
  • Franchise Agreements.
  • Commercial Pledges/Mortgages.

Conclusion

An unwritten contract is binding in principle but unproven in practice. Proving an oral agreement in court is a difficult, costly battle with an uncertain outcome. Writing is not just a formality; it is protection for both parties. It prevents disputes before they happen and resolves them if they do.

If you are a party to an oral agreement and fear for your rights, or if you wish to formalize your verbal arrangements into airtight contracts, our legal team is here to secure your rights before it’s too late.

Frequently Asked Questions (FAQ)

Is an unwritten contract legally binding?

Yes, it is binding, but difficult to prove. It must be evidenced through legal means to be enforced.

How are unwritten contracts proven?

Through the means stipulated in the Law of Evidence, such as admissions, testimony, presumptions, and oaths.

Can a contract be proven by testimony?

Yes, but with restrictions, especially for transactions exceeding SAR 100,000 or where the law specifically mandates a written format for validity.

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