Marriage is a major personal commitment. It is also a legal relationship that can affect property, financial interests, inheritance, businesses and other rights.

For couples preparing to marry, a prenuptial agreement, commonly called a prenup, can provide a clear framework for their property rights before the marriage begins.

In Kenya, prenuptial agreements are expressly recognised under section 6(3) of the Matrimonial Property Act, 2013. The law allows parties to an intended marriage to enter into an agreement before marriage to determine their property rights. However, the agreement is not beyond judicial scrutiny: section 6(4) permits a court to set it aside where it was influenced by fraud, coercion or is manifestly unjust.

That makes the role of a lawyer for a prenup in Kenya particularly important.

A well-prepared agreement should not merely protect one person. It should accurately record the couple’s intentions, address their respective interests and comply with Kenyan law.

What Is a Prenuptial Agreement?

A prenuptial agreement is a legal agreement entered into by two people before they marry to determine their property rights.

In Kenya, section 6(3) of the Matrimonial Property Act provides the statutory basis for such agreements.

The agreement can help a couple establish how particular property and financial interests will be treated during the marriage and if the marriage later ends.

Kenyan courts have recognised the contractual nature of prenuptial agreements. In DNK v GS [2023] KEHC 26048 (KLR), the High Court considered the legal framework governing prenuptial agreements and recognised that section 6(3) allows intended spouses to agree on their property rights before marriage.

Do Prenuptial Agreements Work in Kenya?

Yes. Kenyan law expressly recognises prenuptial agreements.

Section 6(3) of the Matrimonial Property Act allows parties to an intended marriage to enter into an agreement before marriage concerning their property rights.

However, couples should not interpret this to mean that every document called a “prenup” will automatically be enforced exactly as written.

The circumstances surrounding the agreement matter.

A court may consider whether the agreement was affected by:

fraud;
coercion; or
manifest injustice.

This is why how the prenup is negotiated, drafted and executed can be just as important as the words contained in the document.

Why Hire a Lawyer for a Prenup in Kenya?

A prenuptial agreement deals with potentially significant property and financial rights.

Using a lawyer can help both parties understand:

what the law provides without a prenup;
what the proposed agreement changes;
which assets should be disclosed;
how property should be classified;
how existing businesses should be treated;
how future acquisitions should be addressed;
how debts should be handled;
what happens to property acquired during marriage;
whether the agreement creates unintended consequences; and
whether the proposed terms could later face a challenge.

The lawyer’s role should therefore go beyond simply preparing a document for signature.

The objective is to create an agreement that reflects informed, voluntary and clearly expressed intentions.

What Can a Prenuptial Agreement Cover in Kenya?

The precise terms depend on the couple’s circumstances.

A carefully drafted prenup may address issues such as:

1. Property owned before marriage

A couple may wish to identify assets each person already owns before the marriage.

These might include:

land;
houses;
apartments;
vehicles;
investments;
shares;
bank accounts;
businesses; or
other valuable assets.

The Matrimonial Property Act separately provides that, subject to the Act, a person’s interest in movable or immovable property acquired or inherited before marriage does not form part of matrimonial property.

However, simply owning property before marriage does not mean every future dispute is automatically eliminated. Contributions, improvements, use of property and other facts can become relevant.

A prenup can therefore provide additional clarity.

2. Family Businesses and Shares

Business ownership is one of the most important issues for some couples.

Suppose one person owns a company before marriage.

The couple may want to clarify:

whether the shares remain separate property;
whether dividends remain separate;
how additional shares acquired during marriage will be treated;
whether the other spouse may acquire an interest through contribution;
how business growth should be considered; and
how the business should be treated if the marriage ends.

This requires careful drafting because a business may have different categories of interests, including shares, income, dividends, shareholder loans and assets owned by the company.

A prenup should therefore not simply say:

“My company remains mine.”

The agreement should address the actual legal and financial interests involved.

3. Future Property

A prenup can also address the couple’s intentions concerning property acquired after marriage.

For example, the agreement might establish principles concerning:

separately acquired assets;
jointly acquired assets;
investment property;
business interests;
inheritances;
gifts;
savings; and
other investments.

However, the drafting must account for Kenyan matrimonial-property law and the circumstances in which one spouse may acquire an interest through contribution.

4. Debts and Financial Obligations

Couples may also wish to clarify how existing and future debts will be treated.

For example, one party may enter the marriage with:

a business loan;
mortgage obligations;
personal loans;
student debt;
tax liabilities; or
other financial commitments.

The agreement can help establish the parties’ intentions concerning responsibility for those obligations.

However, a private agreement between spouses does not automatically determine the rights of third-party creditors.

That distinction should be made clear during legal drafting.

5. Inherited Property

Inheritance can be particularly important where one or both parties expect to inherit:

family land;
rental properties;
shares;
businesses;
agricultural property; or
other assets.

The legal treatment of inherited property should be considered alongside the Matrimonial Property Act and the couple’s broader estate-planning arrangements.

A prenup should therefore ideally be considered together with succession and estate planning, rather than in isolation.

Does a Prenup Mean Everything Remains Separate?

Not necessarily.

A prenup does not simply mean that every asset will automatically remain the property of the person who acquired it.

The actual terms of the agreement matter.

The Matrimonial Property Act recognises matrimonial property and also recognises the ability of intended spouses to determine their property rights by agreement before marriage.

The court may also consider contribution when determining matrimonial-property rights.

Kenyan law recognises both monetary and non-monetary contribution, including domestic work, management of the matrimonial home, childcare, companionship, management of family business or property and farm work.

Consequently, a prenup should be drafted with an understanding of the realities of married life.

Can a Prenuptial Agreement Be Challenged in Kenya?

Yes.

Section 6(4) of the Matrimonial Property Act allows a party to apply to court to set aside a prenuptial agreement where the court determines that it was influenced by:

Fraud
Coercion
Manifest injustice

This is one reason couples should avoid treating a prenup as a document that one party prepares and simply presents to the other for signature.

A stronger process involves:

transparency;
adequate disclosure;
sufficient time for review;
informed consent;
proper legal advice; and
careful drafting.

Should Both Partners Have Separate Lawyers?

Independent legal advice is strongly advisable.

A prenup can affect the rights of both people. If one lawyer represents only one party, the other party should understand that the lawyer’s duty is to their own client.

Having separate advocates can help each person understand:

the agreement;
their legal rights;
the consequences of signing;
alternative arrangements;
potential risks; and
provisions that may require negotiation.

This is particularly important where there is a significant difference in wealth, bargaining power or financial knowledge.

When Should You Sign a Prenup?

A prenup should be addressed well before the wedding.

Waiting until immediately before the ceremony can create unnecessary pressure.

A better approach is:

Early discussion

The couple discusses whether a prenup is appropriate.

Financial disclosure

Each person identifies relevant assets, liabilities and financial interests.

Independent legal advice

Each person has an opportunity to obtain legal advice.

Negotiation

The proposed terms are discussed and revised.

Drafting

The final agreement is prepared to reflect the parties’ intentions.

Execution

The agreement is signed before the marriage in accordance with the agreed legal process.

Starting early gives both parties time to consider the agreement without unnecessary wedding-related pressure.

What Documents May a Prenup Lawyer Need?

The exact documents depend on the couple’s circumstances.

However, a lawyer may request information relating to:

identification documents;
property ownership;
title documents;
company shareholding;
business interests;
investment accounts;
bank or financial interests;
existing loans;
mortgages;
significant liabilities;
inheritance interests;
existing agreements; and
other assets or obligations relevant to the agreement.

The purpose is not to make the process unnecessarily complicated.

Rather, the agreement should be based on an accurate understanding of the couple’s financial position.

What Happens If One Partner Has Much More Wealth?

A wealth imbalance does not automatically prevent a couple from entering into a prenup.

However, it makes careful legal advice particularly important.

For example, consider a situation where:

one partner owns several properties;
one partner owns a successful company;
the other partner has limited assets; and
the couple intends to marry.

The agreement should not simply be drafted to maximise protection for the wealthier person.

Instead, the parties should understand:

what each person owns;
what each person is giving up;
what rights each person may have;
what happens to future property;
how contributions will be treated; and
what happens if circumstances materially change.

The objective should be clarity and informed agreement, not surprise.

Can a Prenup Cover Child Custody or Child Maintenance?

A prenup should not be treated as a mechanism for permanently determining a child’s future rights.

Issues concerning children are governed by the applicable constitutional and statutory framework, with the best interests of the child being a central consideration.

Therefore, a clause attempting to predetermine future custody or maintenance in a way that conflicts with the law may not achieve the intended result.

Property rights and children’s rights should be treated as separate legal questions.

Prenup vs Postnuptial Agreement in Kenya

A prenuptial agreement is made before marriage.

A postnuptial agreement is made after the parties have already married.

The distinction matters.

In QMAO v DAW [2024] KEHC 4952 (KLR), the High Court distinguished between an agreement made before marriage and a settlement agreement entered into during an existing marriage. The court described the latter as a post-nuptial agreement and found it enforceable in the circumstances of that case.

The same case also illustrates an important point: the fact that parties are married does not automatically prevent them from entering into a binding agreement concerning their property.

If a couple is already married, they should therefore obtain specific legal advice rather than assuming that a prenup can simply be signed after the wedding.

Prenup Lawyer in Nairobi: What Should You Look For?

When choosing a lawyer for a prenuptial agreement, consider whether the advocate has experience relevant to:

family law;
matrimonial property;
property transactions;
succession and estate planning;
commercial and corporate interests;
contract drafting; and
dispute resolution.

This combination matters because a modern prenup may involve much more than a simple list of assets.

For example, a business owner may need the agreement to work alongside:

company ownership;
shareholder arrangements;
property ownership;
succession planning; and
existing commercial contracts.

Common Prenup Mistakes to Avoid

1. Using a generic internet template

A template cannot understand your assets, business interests, family structure or future plans.

2. Signing shortly before the wedding

Last-minute pressure can create avoidable legal and practical problems.

3. Hiding assets

Full and accurate financial disclosure is essential to informed negotiations.

4. Having only one party obtain legal advice

Independent advice can help demonstrate that both parties understood their respective rights.

5. Ignoring future property

A prenup should consider what happens after the wedding, not only what each person owns today.

6. Forgetting business interests

Shares, companies and family businesses can require specific provisions.

7. Treating the agreement as completely unchangeable

Circumstances can change. The couple should obtain legal advice before assuming the original arrangement will always be appropriate.

8. Assuming a prenup overrides every law

A private agreement operates within the Kenyan legal framework.

9. Confusing a prenup with an estate plan

A prenup and a will serve different legal functions. Both may be necessary.

10. Signing without understanding the consequences

A person should understand what they are agreeing to before signing.

How a Lawyer Can Help With a Prenuptial Agreement

A lawyer can assist by:

Reviewing the couple’s circumstances

The lawyer identifies the property, financial and legal issues that need attention.

Advising on Kenyan law

The parties receive advice on how the Matrimonial Property Act applies to their circumstances.

Reviewing assets and liabilities

The lawyer helps identify the interests that should be disclosed and addressed.

Drafting the agreement

The agreement can then be structured around the couple’s actual circumstances.

Negotiating terms

Where the parties disagree, the terms can be discussed and revised.

Advising independently

Each party can obtain advice on their own rights and obligations.

Reviewing execution

The lawyer can ensure that the final agreement is properly completed and documented.

Is a Prenup Only for Wealthy Couples?

No.

Prenuptial agreements are often associated with wealthy individuals, but the underlying purpose is broader.

A couple may want clarity because:

one person owns a home;
one person owns a business;
one person has significant family property;
one person has substantial debt;
one person expects an inheritance;
the couple has children from previous relationships;
the couple operates businesses together; or
they simply want clear financial arrangements before marriage.

The value of a prenup is therefore not necessarily measured by the amount of wealth involved.

It can be measured by the clarity it provides.

Prenuptial Agreements and Property in Kenya

Property is often the central issue in a prenup.

Kenyan law defines matrimonial property to include the matrimonial home or homes, household goods and effects in the matrimonial home, and other movable and immovable property jointly owned and acquired during the marriage.

The law also recognises contribution in determining ownership interests.

That contribution can be monetary or non-monetary.

A carefully drafted prenup can therefore help the couple establish their intended property arrangements before those questions become contentious.

However, it should not be drafted on the assumption that simply placing an asset in one person’s name automatically eliminates every possible claim.

Why Prenuptial Agreements Matter for Business Owners

This is an important but often overlooked issue.

Suppose you are entering marriage while owning:

a law firm;
technology company;
real-estate company;
family business;
shares in a private company;
investment portfolio; or
other commercial interests.

Your marriage and your business are legally distinct matters, but they can intersect through property and financial interests.

A prenup can form part of a broader legal strategy addressing:

Marriage → matrimonial property → business ownership → shares → income → investments → succession.

Where substantial commercial interests exist, the agreement should be reviewed alongside the company’s constitutional documents, shareholder arrangements and estate plan.

Frequently Asked Questions About Prenup Lawyers in Kenya

Can I get a prenup in Kenya?

Yes. Section 6(3) of the Matrimonial Property Act expressly permits parties to an intended marriage to enter into an agreement before marriage concerning their property rights.

How much does a prenup lawyer cost in Kenya?

There is no single appropriate fee for every prenup. The cost depends on factors such as the complexity of the assets, businesses involved, negotiations, property interests and whether the agreement requires extensive revisions. A lawyer should provide a quotation after understanding the matter.

Can a prenup protect property I owned before marriage?

It can help establish the parties’ agreed treatment of property, although Kenyan law already contains rules concerning property acquired or inherited before marriage. The specific facts and terms of the agreement matter.

Can a prenup be cancelled?

A party can apply to court to set aside a prenuptial agreement where the statutory grounds are met, including fraud, coercion or manifest injustice.

Should both parties have lawyers?

Independent legal advice for each party is strongly advisable, particularly where the agreement involves substantial assets or unequal bargaining positions.

Can I sign a prenup after getting married?

A document signed after marriage is not a prenuptial agreement. It may instead be characterised as a postnuptial or other marital agreement, depending on its nature. Specific legal advice should be obtained.

Can a prenup determine child custody?

A prenup should not be relied upon to permanently predetermine children’s rights. Children’s interests are governed by the applicable law at the relevant time.

Do I need a prenup if I do not own much property?

Not necessarily. Whether one is appropriate depends on the couple’s circumstances, financial arrangements and future plans.

Get Legal Advice Before Signing a Prenuptial Agreement

A prenuptial agreement is not simply a document about what happens if a marriage fails.

It is an opportunity for two people preparing for marriage to have a clear conversation about property, financial interests, businesses, obligations and expectations before those issues become disputes.

Under Kenyan law, intended spouses can enter into an agreement determining their property rights before marriage. At the same time, the law recognises circumstances in which a court may set such an agreement aside.

That is why the drafting process matters.

If you are considering a prenup, the safest approach is to obtain legal advice before signing anything, allow sufficient time for negotiation and make sure you understand the legal consequences of the proposed terms.

Contact Okenyo Omwansa & Co. Advocates

Okenyo Omwansa & Co. Advocates provides family-law services and advises clients on a range of legal matters. The firm’s published family-law practice includes advice and representation in family disputes, while its team profile identifies experience in divorce, custody, maintenance and succession matters.

Nairobi Office: The Mirage, Tower 2, Mezzanine 2, Suite 8, Waiyaki Way, Westlands, Nairobi.
Tel: +254 742 028 500 / +254 720 942 324 / 020 200 088 8
Email: info@okenyoomwansaadvocates.co.ke