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Prenups for Business Owners

Marry without a prenup and your spouse can gain a claim on the business you built, even on its growth during the marriage.

Protect the company Business succession

Quick Overview

A business in your name alone is still exposed in marriage. If you owned it before the wedding it may be separate, but the growth during the marriage is generally marital and divisible in divorce, and at death a surviving spouse can claim about 30% of your estate, including the company. A Florida prenup keeps the business and its appreciation separate. It comes down to coordinating that prenup with your buy-sell and succession plan.

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Below, we walk through the 3 issues that decide whether this is the right move for you. Jump to any one:

  1. How Marriage Reaches Your Business Even a company in your name alone is exposed, and at death a spouse can reach about 30% of your estate. The trap is the growth during marriage.
  2. What a Prenup Does for It A prenup keeps the business and its appreciation on the separate side and waives spousal claims. It also protects your partners from an unwanted co-owner.
  3. It Works With Your Buy-Sell and Succession Plan The prenup is one of three pieces. Drafted together they keep the company out of divorce court and probate. Drafted piecemeal, they contradict each other.

That’s the quick version. The details below are what decide your situation, and where the costly mistakes hide.

How Marriage Reaches Your Business

Even a business in your name alone is exposed. If you owned it before marriage it may be separate, but the increase in its value during the marriage, especially growth that came from your own work, is generally marital and divisible in a divorce. And at death, a surviving spouse’s elective share reaches the business as part of your estate. Either way, the company you built can be dragged into a personal fight.

What a Prenup Does for It

A prenup keeps the business, and its appreciation, on the separate side of the line, and waives the spousal claims that would otherwise reach it at divorce or death. For an owner with partners, it also protects them: nobody wants a co-owner’s ex-spouse or heirs holding a stake.

Keep the business out of the marriage’s reach.

A free 30-minute consult coordinates the prenup with your succession plan.

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It Works With Your Buy-Sell and Succession Plan

These pieces work as a set: the prenup keeps the interest separate, the buy-sell agreement controls what happens to it on death, disability, or divorce, and your trust or will routes ownership to the people you choose. Drafted together, they keep the company out of divorce court and probate. See business succession planning for the full picture.

Frequently Asked Questions

Can My Spouse Claim Part of My Business in a Florida Divorce?

They can claim part of its value, even if the business is in your name alone. The business itself may be separate property if you owned it before marriage, but the increase in its value during the marriage, especially if it came from your work (active appreciation), is generally marital and subject to division. A prenup is how you keep the business, and its growth, on the separate side of the line.

What Happens to My Business if I Die Without a Prenup?

Your surviving spouse can claim about 30% of your estate (the elective share), and the business is part of that estate. That can force a sale, a buyout, or hand a co-ownership stake to a spouse who has no role in the company, next to your partners or your children. A prenup that waives or limits those rights, coordinated with a buy-sell and your succession plan, prevents it.

How Does a Prenup Work With a Buy-Sell and Succession Plan?

They work as a set. The prenup keeps the interest separate and waives the spousal claims; the buy-sell controls what happens to the interest on death, disability, or divorce; and your trust or will routes ownership to the people you choose. Drafted together, they keep the company out of both divorce court and probate. Drafted piecemeal, they contradict each other.

I Already Own the Business and I’m Married. Too Late?

No. A postnuptial agreement can do the same job after the wedding, and it is often prompted by exactly this: the business grew, and you want to protect it and your partners. With full disclosure and independent counsel, it is enforceable.

Will My Company’s Financials Become Public Because of the Prenup?

They can, if the agreement is ever litigated. A prenup that lands in a divorce case goes into the court file with everything attached to it, and court files are public records in Florida. For the owner of a closely held company, that can mean revenue, valuations, and account details sitting where competitors can read them. The drafting fix is to keep the detailed financial disclosure in a separately kept volume that the agreement references, with signed receipts showing your future spouse received and reviewed it, instead of stapling the statements to the agreement itself. We set prenups up that way for business owners from the start.

Updated on July 12, 2026. Reviewed by Kevin D. Klagge, Esq., Fla. Bar No. 99502. Attorney Kevin Klagge represents families, businesses, and international clients in estate planning and international law, with a focus on Florida legal tools. He litigates estate and business issues in court. General information about Florida law, not legal advice. Each spouse should have independent counsel. Do not send confidential information until we have agreed to represent you.