When a marital estate includes a family business, professional practice, or other complex asset, divorce becomes considerably more complicated than dividing a bank account or a house. Business valuation disputes are among the most contested issues KHK Family Law & Divorce Attorneys handles for clients across the Chicago area, and Attorney Matthew Katz’s background, which combines more than 20 years of family law experience with a Master’s in Social Work from the University of Chicago, gives our team a well-rounded approach to these high stakes cases.
Why Business Valuation Matters in Divorce
A business is rarely worth a simple, agreed upon number. Its value depends on assumptions about cash flow, market conditions, and the future of the industry it operates in, all of which can be argued from more than one direction. Because a business is often one of the largest assets in a marital estate, even a modest disagreement over its value can shift a settlement by a substantial amount, which is why both spouses typically bring in financial professionals to build their case.
The IRS Standard Courts Rely On
Illinois courts frequently turn to a long standing federal standard, IRS Revenue Ruling 59-60, to guide how a business should be valued in a divorce. At its core, this ruling asks a deceptively simple question: what would this business actually sell for on the open market? If a hypothetical buyer offered $3 million for a business, that figure becomes strong evidence of its fair market value for purposes of the divorce.
Because most businesses involved in a divorce are not actually for sale, arriving at that number is often a somewhat theoretical exercise. Financial professionals typically examine the business’s revenue, its accounts receivable, its cash position, and its payroll obligations to construct a defensible estimate of what a real buyer would pay.
Goodwill: The Intangible Asset That Counts
One of the most heavily litigated components of a business valuation is goodwill, the reputational value a business has built over time. A company with a well known name, a loyal client base, and a strong network of contacts carries value beyond its physical assets and bank balance, and Illinois courts recognize that this goodwill belongs in the valuation.
Courts also look at the history of the business and the industry it operates in, asking whether it is a stable, well established field or one prone to unpredictable swings. The business’s track record of paying dividends, along with its current cash reserves and receivables, rounds out the picture a court uses to determine what the business is genuinely worth.
The Fight Over Future Earnings
Perhaps the most contested piece of a complex asset valuation is future earnings: how much a business, a professional practice, or an income stream is expected to generate down the road, and whether that projected value should factor into today’s settlement. Economists and financial professionals use complex models to estimate the present value of those future earnings, but Illinois courts remain divided on exactly how, or whether, that approach should be applied in a divorce case.
In practice, it is almost always the lower earning spouse who argues for including future earnings in the valuation, since doing so can meaningfully increase their share of the settlement. Because the law itself is unsettled on this question, these cases frequently come down to which side’s financial professionals present the more thorough and convincing analysis, combined with how effectively their family law attorney ties that analysis to the relevant appellate case law.
How Financial Professionals Help Build the Case
Because so much of a business valuation rests on assumptions, the professionals brought in on each side matter enormously. Accountants and valuation professionals typically start by reviewing years of financial statements, tax returns, and payroll records before forming an opinion, and a well supported report will explain exactly which method it used and why that method fits the specific business at issue.
A judge weighing two competing valuations is essentially deciding which set of assumptions is more believable, which is why presentation matters almost as much as the underlying math. A valuation opinion that is clearly explained, well documented, and consistent with how similar businesses have been valued in past Illinois cases tends to carry far more weight than one that simply arrives at a favorable number.
Building the Right Team for a Complex Case
Business valuation disputes are not something to navigate with a generic approach. They require a legal team that understands both the financial mechanics at play and how Illinois courts have historically ruled on these issues. KHK Family Law & Divorce Attorneys has more than 70 years of combined experience handling complex asset cases for families throughout the Chicago area, and we work closely with qualified financial professionals to make sure our clients’ interests are represented accurately and persuasively.
If your divorce involves a business, a professional practice, or other complex assets, the earlier you bring in the right guidance, the stronger your position will be when it comes time to settle or go to trial.
Complex asset cases also tend to move more slowly than a typical divorce, since gathering financial records, retaining the right professionals, and building a defensible valuation all take time. Starting that process early, rather than waiting until a deadline is close, generally leads to a more accurate valuation and a smoother path toward a fair settlement for both spouses.
Our Chicago team has guided clients through business valuations across a wide range of industries, from small family owned shops to established professional practices, and we understand that no two companies, and no two marriages, look exactly alike. That perspective shapes how we build every case.





