By Hossein Berenji
If you or your spouse own a business, work on commission, or earn executive-level compensation with bonuses and equity, spousal support in your case is not going to come down to plugging a W-2 into a calculator. I’ve handled these cases for more than twenty years, and the pattern is always the same: the law doesn’t change, but the facts get a lot harder to pin down. This guide is about how that actually plays out — what counts as income, how earning capacity gets handled on both sides, and where these cases tend to get expensive.
For a broader look at protecting a business through the divorce process itself, see my Business Owner’s Guide to Divorce. This guide is narrower — it’s specifically about how the support number gets built.
Why Divorce Cases Involving Business Owners, Executives and Self-Employed Spouses Are Different
Why can’t support just be calculated off the tax return?
Because a tax return tells you what an accountant reported, not necessarily what a person actually has available to live on. For a W-2 employee, the paycheck is the paycheck. For a business owner, a commissioned executive, or anyone self-employed, “income” is a question I have to build an answer to, not a number I get handed. Family Code §4320 gives the court a long list of factors to weigh — marital standard of living, earning capacity, ability to pay, and more — but before I can get a judge to that analysis, I have to answer the threshold question: how much does this person actually make? That threshold question is where these cases spend most of their time and money.
How Courts Determine a Business Owner’s Income
What does the court actually look at, if not the tax return?
I look past what was reported to the IRS and build a picture of what the person actually receives in economic benefit. Under cases like Marriage of Rosen and Marriage of Chakko, that means:
- Add-backs for discretionary or personal expenses. Vehicle leases, travel, meals — costs run through the business that were legitimate deductions for tax purposes still frequently get added back into income available for support.
- Schedule C and pass-through entity scrutiny. A sole proprietorship, S-corp, or partnership return doesn’t end the inquiry. I’m looking at cash flow, retained earnings, and whether income is being deferred or reinvested specifically to make the number on paper smaller.
- Multi-year averaging. Business income fluctuates, so I’ll usually want several years of returns rather than one snapshot, especially for commission-based or cyclical income.
Do business owners actually try to manipulate this number?
Yes, constantly, and it’s rarely subtle once you look closely. Support is calculated on income actually available to a party, not income that’s been arranged to look smaller than it is. I’ve built cases around exactly this kind of manipulation, and the pattern repeats: someone claims the business is barely profitable while continuing to live off it in ways that don’t show up on the return. That inconsistency is usually the case.
Earning Capacity Cuts Both Ways
Does the same scrutiny apply to the spouse receiving support?
It has to, and I make sure it does. Family Code §4320(a) also directs the court to look at the supported spouse’s marketable skills, the job market for those skills, and what it would take for them to become self-supporting. If someone is voluntarily unemployed or underemployed despite having the ability and opportunity to work, I can ask the court to impute income to them based on earning capacity rather than actual earnings — sometimes backed by a formal vocational evaluation.
In practice, this means I’m examining actual behavior on both sides of the table, not just the position each side is taking on paper. A business owner claiming the business barely turns a profit, and a supported spouse claiming no ability to work despite a marketable professional background, get tested against the same basic question: what does the evidence actually show?
A Simplified Example
Say a business owner reports $180,000 in net business income on a tax return. Through discovery, I add back $60,000 in personal expenses run through the business and $40,000 in deferred compensation, bringing income available for support closer to $280,000. Meanwhile, the supported spouse — a former marketing professional who left the workforce eight years ago — is found through a vocational evaluation to have current earning capacity of roughly $70,000 a year if reasonably re-employed. The support calculation runs off those adjusted figures, not whichever numbers either side would prefer to present.
How a Prenup or Postnup Changes the Analysis
Can a prenup help avoid all of this?
To a real degree, yes. A premarital or postmarital agreement can define or limit spousal support in advance, within certain bounds — California won’t enforce a waiver found unconscionable at the time it’s enforced, and the agreement has to have been entered into with full financial disclosure to begin with. For business owners specifically, a well-drafted agreement can also predefine how post-marital business growth gets treated, which heads off exactly the kind of add-back and valuation fight described above before it ever starts.
When to Bring In an Expert
Is a forensic accountant always necessary?
If your case involves a closely held business, significant equity compensation, commission-based income, or a supported spouse’s return to the workforce, a forensic accountant and/or vocational evaluator generally isn’t optional. That’s how the numbers underlying the §4320 analysis actually get established, rather than argued over anecdotally in a courtroom. I bring the right expert in early, before positions harden, because it’s almost always cheaper than litigating the number later without one.
