Is it beneficial to have a prenup agreement if you have a family business?

Emily Hinchcliffe 25 August 2026

Planning a wedding is an exciting time. Between choosing venues, organising guests and preparing for married life, legal matters are often the last thing on a couple's minds.

However, if you own a business, or have a stake in a family business, a prenuptial agreement (prenup) could be one of the most important steps you take before you say "I do".

Having a carefully drafted prenup prepared and signed before you tie the knot can ensure your business interests are protected and that the financial responsibilities and rights of each party are clearly defined.

It can provide you and your family with clarity and peace of mind should your circumstances change in the future, and it reduces the risk of lengthy legal complications and emotional distress if the marriage breaks down and you need to divorce at a later stage.

Emily Hinchcliffe, solicitor in the family team at Wake Smith Solicitors looks at the issue.

Emily says: "For many couples, discussing a prenup before a wedding may not feel very romantic, however, when a family business is involved, it is often a sensible and practical conversation to have.

“A family business can represent years of hard work, investment and future planning, not only for the individual owner but often for multiple generations. A prenup can help protect those interests and provide certainty for everyone involved.

“Without a clear agreement in place, business assets could become part of financial discussions during divorce proceedings. This can create uncertainty, place additional pressure on the business and potentially affect other family members who have an interest in its success.”

Why a prenup is beneficial for family business owners:

  • Protecting business and other assets: A prenup can help ensure that a business, or an individual's share of a family business, remains separate from the matrimonial assets. This can reduce the risk of business interests being divided or transferred as part of a financial settlement.
  • Clarity and fairness: It provides clarity on how business assets will be treated by setting expectations from the outset, which can prevent misunderstandings and conflicts during a divorce.
  • Identification of assets: A prenup can specify which assets are considered ‘separate property’ and which are ‘matrimonial property’, helping avoid disputes.
  • Debt Management: A prenup can outline how debts will be handled during and after the marriage, protecting one spouse from the financial burdens of the other.
  • Spousal Maintenance: It can address issues related to spousal maintenance, guiding how these payments would be determined or waived.

Emily adds: “No one enters a marriage expecting it to end, but taking legal advice at the outset allows you to make informed decisions before emotions and uncertainty come into play.

“A prenuptial agreement is about planning ahead, not planning for failure. By front-loading legal advice before or during the marriage, rather than when the relationship breaks down, couples have control and certainty around their finances and future financial obligations, helping to avoid costly disputes and unwelcome or unexpected surprises further down the line.

“We are seeing more couples choose to put legal agreements in place before marriage, particularly where there are business interests, inherited wealth or family assets that they wish to protect.

“Younger couples are increasingly recognising the value of having open and honest conversations about finances before marriage. A prenup can provide clarity, reduce uncertainty and ultimately help both parties enter the marriage with confidence.”

What if you're already married?

If you're already married and want to protect a business or other significant assets, it may not be too late.

A postnuptial agreement can be entered into after marriage and can offer many of the same protections as a prenup, helping couples formalise arrangements regarding their assets and finances.

Prenups and postnups are not automatically legally binding in England and Wales, however; this should not deter you from entering into one because when they are carefully drafted, supported by full financial disclosure, independent legal advice, and entered into freely without pressure at least 28 days before the wedding, the courts are likely to uphold the terms of the agreement should a disagreement arise.

Whether you are seeking to protect a family business, preserve inherited wealth or gain greater certainty about your financial future upon entering into a marriage, specialist legal advice can help ensure your interests are protected.

To discuss a prenuptial or postnuptial agreement, contact Wake Smith's Family Law team on 0114 266 6660 or click here for more information.

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