The Challenges of High Net Worth Divorce

 Posted on March 05, 2026 in Asset Division

The process of property division is often a challenging part of any divorce. However, when high net worth comes into the equation, things can get extremely complex and very contentious. It is a good idea to engage a qualified lawyer to help guide you and your soon-to-be-former spouse with minimal stress.

At A. Traub & Associates, we know how to navigate the stresses that come with high asset divorces. Our Lombard, IL family law attorneys have received over 150 5-star reviews from satisfied clients, earning special praise for our "responsive, flexible" approach and personable service. We will review your financial situation in detail and develop a strategy tailored to your needs.

What Is Considered a "High Net Worth" Divorce in 2026?

The threshold for a high net worth divorce varies from source to source, as it does not have a hard and fast legal definition. That being said, most sources agree that a high asset divorce involves assets totalling $1 million or more. What makes these cases complicated isn’t just the value of assets, but their complexity as well. The property in a high asset divorce may be difficult to value, requiring the help of outside professionals to get a fair estimate. Common types of assets seen in high net worth divorces include:

• Pensions, retirement accounts, and life insurance policies
• Real property such as vacation homes
• Luxury items like vintage automobiles, boats, or art collections
• Family businesses
• Offshore and overseas assets

It can be difficult to work out a solution that suits everyone. Assets like these require careful attention from an attorney who understands how to handle them.

Marital vs. Non-Marital Property in High Asset Divorces

Illinois follows the rule of equitable distribution. This means marital property is divided fairly, not always 50/50. In a high net worth divorce, this can make things more complicated. Both spouses may have significant assets. Neither may clearly need more than the other. Wealthy couples also often mix their assets together over time. That commingling can make it harder to decide what belongs to the marriage and how it should be divided.

During a divorce, property and debts both must be separated into "marital" and "non-marital" categories. However, there are some occasions when even non-marital assets may be treated like marital assets, depending on how much has been integrated. For example, if you receive a large inheritance and deposit the money in a marital checking account, it could end up becoming marital property. In cases like these, significant time and resources may be spent trying to trace the origin of an asset.

An inheritance given to one spouse is usually treated as separate property. However, if the funds are mixed with marital accounts, they may lose their separate identity and be treated as marital property. In a high net worth divorce, issues like these may involve thousands or millions of dollars, making the stakes that much higher.

Dissipation of Assets in a High Net Worth Divorce

In high net worth divorces, one spouse may accuse the other of wasting marital funds. This is called dissipation. It can include spending large sums on an affair, gambling, luxury travel, or gifts after the marriage has broken down. If proven, the court may award a larger share of the remaining assets to the innocent spouse to make up for the loss.

Uncovering Valuable Assets in a Divorce

In Illinois, both spouses must provide full financial disclosure during a divorce. If one spouse tries to hide property, the court can impose serious penalties. Under state law, marital property must be divided fairly. That cannot happen unless everything is on the table.

In high net worth cases, uncovering assets may require a deeper review. Business records, tax returns, and financial statements often need close analysis. Income may come from multiple sources, including bonuses, dividends, or deferred compensation. A spouse who owns a business may try to undervalue it or delay payments until after the divorce.

Spousal Support Disputes in High Net Worth Cases

Spousal support can be complex when significant income is involved. Illinois has guideline formulas for calculating maintenance. However, those guidelines do not always apply in high income cases.

When a couple’s combined gross income exceeds certain limits under Illinois law, the court may choose to deviate from the standard formula (750 ILCS 5/504). Judges have discretion to set maintenance based on fairness. They look at factors such as the length of the marriage, each spouse’s earning capacity, the standard of living during the marriage, and contributions to the household.

In high net worth divorces, income can include business profits, stock awards, commissions, and investment returns. A dispute may arise over what counts as income. One spouse may argue that certain payments are temporary or speculative. The other may claim they reflect a true earning pattern.

Long-term marriages often lead to larger or longer maintenance awards. Shorter marriages may result in more limited support. Before awarding spousal support, the court will consider each party’s financial circumstances.

Reviewing Prenuptial and Postnuptial Agreements for Valuable Property

Many high net worth couples sign prenuptial or postnuptial agreements. These agreements often address how property will be divided and whether maintenance will be paid. In some cases, they protect business interests, family wealth, or future earnings.

During a divorce, the court will review the agreement to determine if it is enforceable. A marital agreement may be challenged if it was signed under pressure, without proper financial disclosure, or if it is unconscionable. Even when an agreement appears valid, disputes may arise over how its terms apply to current assets.

Careful review of these agreements is essential. The language used years earlier can have a major impact on how valuable property is divided in the present.

Contact a DuPage County, IL High Net Worth Divorce Lawyer

If you and your spouse own complex assets and are thinking about divorce, contact an experienced Lombard, IL divorce attorney before you make any decisions. Call 630-426-0196 for a confidential consultation with A. Traub & Associates today. Let us help you build the best possible future for yourself and your family.