High-Net-Worth Divorce: A Financial Guide for the Spouse Who Didn't Manage the Money

A high-net-worth divorce is defined less by the size of the estate than by its complexity. Business interests, stock compensation, multiple properties, trusts, and large investment accounts each need their own valuation, and each carries different tax consequences. In Ohio, the same property division and spousal support laws apply at every income level, but the spouse who did not manage the money usually has the most to learn and the most to lose. Getting a complete, verified picture of the marital estate comes first.

Many women in wealthy marriages are financially invisible. The money was real and the lifestyle was real, but the accounts, the advisors, and the decisions lived with someone else. Then divorce arrives, and the person who knows the least about the estate is expected to negotiate for half of it. This guide is written for that person. It explains what makes a high-net-worth divorce different, how to see the full picture, why an equal split on paper can be unequal in real life, and how support works when income is high.

Written by Leah Hadley, CDFA®, AFC®, MAFF™, founder of Intentional Divorce Solutions. Last reviewed November 2026. We use Ohio law as the main example because that is where we are based. Divorce law varies by state, and Intentional Divorce Solutions does not provide legal advice. For legal advice, contact an attorney who practices in your jurisdiction.

What Makes a Divorce "High Net Worth"?

There is no legal definition. The term usually describes a marriage with substantial assets, but what changes the work is not the total. It is the number of assets that cannot simply be read off a statement. A couple with $3 million in a single brokerage account may have a simpler divorce than a couple with $1.5 million spread across a business, unvested stock awards, a rental property, and a family trust.

In Ohio, the rules do not change with wealth. Ohio Revised Code 3105.171 governs property division in every divorce, and it presumes marital property will be divided equally. What changes is how much work it takes to identify, value, and classify each asset before anything can be divided.

How Do You See the Full Picture When You Didn't Manage the Money?

Start by assuming that what you know is incomplete. That is not an accusation. In many marriages one spouse handles the investments, the accountant, and the tax returns, and the other spouse simply never needed to look. On our podcast episode Before You Sign Anything, I talk about this kind of financial invisibility and why it leaves so many women negotiating blind.

Ohio gives you real tools to close that gap. Under ORC 3105.171(E)(3), each spouse must fully disclose all marital property, separate property, and other assets, debts, income, and expenses. The disclosure is made under oath on the Affidavit of Property and Debt, and your attorney can use formal discovery and subpoenas to get records your spouse does not volunteer.

The records that tell the real story in a high-net-worth case usually include:

• Three to five years of personal and business tax returns, with every schedule and K-1
• Statements for every bank, brokerage, retirement, and trust account, including ones in a business name
• Equity award statements, grant agreements, and deferred compensation plan documents
• Loan applications and personal financial statements given to banks, which often show a fuller picture than anything else
• Deeds, appraisals, and mortgage statements for every property
• Insurance policies, including life insurance with cash value and riders for jewelry or art
• Any prenuptial or postnuptial agreement, and trust documents naming either spouse

A lifestyle analysis is often the most useful check. It compares what the household actually spent with the income reported on the tax returns. When spending consistently runs ahead of reported income, the gap needs an explanation. Our guide to spotting hidden assets in a divorce covers the warning signs, and our divorce document checklist lists everything to gather.

Will Your Prenup or Postnup Hold Up in Ohio?

Prenuptial agreements are common in high-net-worth marriages, and they can control much of what happens in the divorce. Since March 23, 2023, Ohio has also allowed postnuptial agreements, signed after the wedding. Before that date, Ohio was one of the last states that did not permit them.

For a prenuptial agreement, the test comes from the Ohio Supreme Court's decision in Gross v. Gross, 11 Ohio St.3d 99 (1984). For a postnuptial agreement, the same elements are written into ORC 3103.061. Either way, the agreement must meet four requirements:

• It is in writing and signed by both spouses
• It was entered into freely, without fraud, duress, coercion, or overreaching
• There was full disclosure, or full knowledge and understanding, of the nature, value, and extent of both spouses' property
• Its terms do not promote or encourage divorce or profiteering by divorce

The disclosure requirement matters most for the spouse who did not manage the money. If you signed an agreement without a real understanding of what your spouse owned, or under pressure close to the wedding, tell your attorney. Whether that is enough to set an agreement aside depends on the facts, but it is a question worth asking before you accept the agreement as the starting point.

For prenups, Gross adds a second check that matters in wealthy marriages. Spousal support terms, including a waiver of support, can be reviewed again at the time of the divorce. If circumstances have changed so much that enforcing them would be unconscionable, the court can modify them, using the same factors it applies to any spousal support decision. Property division terms do not get that second look.

An agreement also does not answer every question. Assets acquired after the agreement, accounts it does not mention, and growth that the agreement does not address may still need to be classified and valued.

Why Isn't an Equal Split Always Equal?

Because a dollar is not always a dollar. Ohio presumes an equal division of marital property, but the value on a statement is not what you can actually spend. Taxes, liquidity, and future costs all change what an asset is worth to the person who receives it.

Transfers between spouses as part of a divorce generally do not trigger tax at the time, under Section 1041 of the Internal Revenue Code. As IRS Publication 504 explains, the spouse who receives an asset also receives its original tax basis. The tax does not disappear. It moves to whoever ends up holding the asset.

Here is a simple hypothetical. One spouse keeps $1 million in cash. The other takes $1 million in stock that was bought for $300,000. On paper the split is equal. But the stock carries $700,000 of built-in gain, and at a 15% federal capital gains rate that is about $105,000 in tax whenever it is sold. The two halves were never the same size.

A few other tax points come up often in larger estates:

• The family home. Under Section 121, a married couple filing jointly can generally exclude up to $500,000 of gain on the sale of a primary home, and a single filer up to $250,000. If both spouses keep owning the home after the divorce and the decree lets one of them live there, the spouse who moved out can still count that time as use, which can preserve the exclusion for both. Timing and decree language matter. IRS Publication 523 covers the rules.
• Capital loss carryovers. Losses carried forward from joint returns do not split evenly by default. After divorce, they generally follow the spouse who owned the investment that produced the loss, and losses on jointly owned investments are divided between you.
• Ohio's own factors. ORC 3105.171(F) directs the court to consider the tax consequences of the division and the liquidity of the property, so after-tax value is part of the legal analysis, not just the planning.

This is why we compare settlement options on an after-tax basis when deciding which assets to keep. In a large estate, the difference between two proposals that look identical can be six figures.

How Does Spousal Support Work When Income Is High?

Ohio has no formula for spousal support. Under ORC 3105.18(C)(1), the court weighs a list of factors, including each spouse's income from all sources, relative earning abilities, the duration of the marriage, retirement benefits, each spouse's assets and liabilities, the tax consequences, and the standard of living the couple established during the marriage.

That last factor carries weight in a high-net-worth case, but it is not a promise. In Kaechele v. Kaechele, 35 Ohio St.3d 93 (1988), the Ohio Supreme Court held that the statute does not require an award that gives both spouses an equal standard of living, or the same standard they had during the marriage. The court must weigh all the factors together and explain the basis for its award. Courts look at what is appropriate and reasonable, not only at what one spouse needs.

Two practical points matter here. First, under ORC 3105.18(E), an Ohio court can change spousal support later only if the decree specifically keeps that power. Whether to reserve it is a negotiating point, and it cuts both ways. Second, the same income can be counted twice when a business is valued on its earnings and those earnings also set support. Our business valuation guide explains how Ohio courts handle that, and our post on alimony in Ohio covers the basics of how support is set.

How Is Child Support Set Above Ohio's Schedule?

Ohio's basic child support schedule covers combined parental income up to about $336,000 a year. Above that, ORC 3119.04 directs the court to set support case by case. The obligation generally cannot be less than the amount at the top of the schedule, unless the court finds that would be unjust or inappropriate and not in the child's best interest, and explains why.

In practice, that means the conversation shifts from a worksheet to the children's actual needs and the standard of living they are used to. Private school, travel, activities, and college savings all become part of the discussion. Documenting what the children's lives actually cost is one of the most useful things you can do. Our post on how child support is calculated in Ohio walks through the standard calculation.

How Do You Protect the Settlement After It Is Signed?

In a large estate, part of what you receive often arrives later. Support payments, installment buyouts, a share of stock awards as they vest, and retirement funds that move after a court order is approved all come after the decree. Each of those depends on the other spouse or a plan administrator following through.

• Life insurance can secure support and installment payments if the paying spouse dies. The settlement should say who owns the policy, how much coverage is required, and for how long. Our post on life insurance and divorce covers the details.
• A lien or other security can back a distributive award paid over time. ORC 3105.171(E)(1) allows a distributive award to be secured by a lien.
• Stock awards that vest later need clear language on how and when your share is delivered, and who pays the tax.
• Retirement orders should be drafted and approved promptly. A QDRO that sits unfinished leaves your share exposed if something changes.

Estate planning belongs on this list too. Beneficiary designations, trusts, and powers of attorney written during the marriage often name the spouse you are divorcing. Our podcast conversation on the estate planning conversation every divorcing woman needs to have covers what to update and when.

Who Should Be on Your Team?

High-net-worth divorces usually need more than one professional, and each one has a distinct job.

• A family law attorney advises you on your rights, manages discovery, and represents you in negotiation or court.
• A Certified Divorce Financial Analyst (CDFA®) organizes the financial picture, models settlement options over time, and compares proposals on an after-tax basis.
• A divorce coach helps you stay organized, manage the stress of the process, and make decisions with a clear head.
• A business valuator, typically with a CVA, ABV, or ASA credential, values any business interest.
• A forensic accountant or a Master Analyst in Financial Forensics (MAFF™) traces money and investigates when income or assets may be hidden.
• A tax professional reviews the tax effects of the settlement, carryovers, and the final joint return.
• Appraisers value real estate, art, jewelry, and collectibles.

Not every case needs all of them, and in mediation one neutral expert can often serve both spouses. Liesel Darby, divorce coach and mediator at Intentional Divorce Solutions, joined me to talk about rebuilding after a marriage like the one in Strangers in From Strangers Back to Yourself. Mardi Winder-Adams, who works with women in high-conflict and high-asset divorces, shared what she has seen in her episode of Intentional Divorce Insights.

What Happens After the Decree?

Once the settlement is final, the work shifts from dividing assets to managing them. That means investing a settlement, rolling over retirement funds, and planning for taxes and retirement on your own. Intentional Divorce Solutions focuses on the divorce itself. Our sister company, Intentional Wealth Partners, covers what comes next in How to Manage and Invest Your Financial Settlement After Divorce.

Related Reading

• How Is a Business Valued in a Divorce?
• How Are RSUs, Stock Options, and Deferred Compensation Divided in a Divorce?
• What Is Considered Separate Property in a Divorce?
• Hidden Assets in Divorce: How to Spot Them
• Strategic Approaches to Protecting Inherited Money in Divorce
• Filing Taxes During a Divorce: What You Need to Know

Frequently Asked Questions

What is considered a high-net-worth divorce?

There is no legal definition. The term usually describes a divorce with substantial assets, but complexity matters more than the total. A business, stock compensation, trusts, multiple properties, or large taxable investment accounts each require their own valuation and tax analysis.

How do I find out what we own if my spouse handled the money?

Start with tax returns, account statements, and loan applications, which often show the fullest picture. Ohio requires each spouse to fully disclose assets, debts, income, and expenses under oath, and your attorney can use discovery and subpoenas to obtain records your spouse does not provide.

Is a prenup always enforceable in Ohio?

Not always. An Ohio prenup must be in writing and signed by both spouses, entered into freely without fraud, duress, coercion, or overreaching, and made with full disclosure or full knowledge of both spouses' property, and its terms cannot promote or encourage divorce. Even in a valid prenup, the spousal support terms can be modified if enforcing them would be unconscionable by the time of the divorce.

Can we sign a postnuptial agreement in Ohio?

Yes. Ohio has allowed postnuptial agreements since March 23, 2023. Under ORC 3103.061, they must be in writing and signed by both spouses, entered into freely, made with full disclosure, and must not promote or encourage divorce.

Is a 50/50 split fair in a high-net-worth divorce?

Not necessarily. Ohio presumes marital property will be divided equally, but assets with the same value on paper can be worth very different amounts after taxes and selling costs. Comparing settlement options on an after-tax basis shows whether an equal split is actually equal.

How is spousal support decided when income is high in Ohio?

Ohio has no formula. The court weighs statutory factors including income, earning ability, the length of the marriage, assets, tax consequences, and the standard of living established during the marriage. The award must be appropriate and reasonable, but it does not have to match the marital standard of living.

How is child support calculated when parents earn more than the Ohio schedule?

Ohio's schedule covers combined income up to about $336,000 a year. Above that, the court sets support case by case based on the children's needs and standard of living, and generally cannot order less than the amount at the top of the schedule without explaining why.

Who should be on my team in a high-net-worth divorce?

Usually a family law attorney and a Certified Divorce Financial Analyst, plus specialists as needed, such as a business valuator, a forensic accountant, a tax professional, and appraisers. In mediation, one neutral expert can often serve both spouses.

Get Help Seeing the Whole Picture

I started Intentional Divorce Solutions after going through my own divorce, and I have been a CDFA® since 2014. Our team works with clients before, during, and after divorce, and alongside their attorneys, mediators, and valuators, to organize complex estates, trace income and assets, and compare settlement options on an after-tax basis.

Start with the divorce document checklist to see what to gather, learn more about our divorce financial planning services, or reach out to our team to talk through your situation.