Love and marriage often go hand in hand, but when business enters the equation, things can get more complex—especially during tax season. Whether you and your spouse run a business together or separately, tax considerations can quickly become overwhelming once tax season arrives.
The good news? With strategic planning, married entrepreneurs can maximize deductions, reduce tax liability and position their businesses for long-term success. Here are some tax tips married entrepreneurs should know before filing their taxes.
Choose the Right Filing Status
One of the first tax decisions newly married business owners must make is whether to file Married Filing Jointly (MFJ) or Married Filing Separately (MFS).
- MFJ (the most common choice): This option typically results in lower tax brackets, a higher standard deduction ($29,200 for 2024 and $30,000 for 2025), and access to valuable tax credits like the Earned Income Tax Credit (EITC) and Child Tax Credit (CTC).
- MFS (when to consider it): Filing separately may be beneficial if:
*One spouse has significant medical expenses that could qualify for deductions.
*A spouse has high student loan payments under an income-driven repayment plan.
*You live in a state (California, New Jersey, Minnesota or Oregon) that penalizes joint filers, particularly those with high incomes.
Since most couples benefit from Married Filing Jointly, it’s wise to calculate taxes under both statuses with a tax professional before making a final decision.
Self-Employment Taxes & Estimated Payments
If one or both spouses are self-employed, they must account for self-employment tax (15.3%) on net earnings (profits). To avoid penalties, business owners should make quarterly estimated tax payments (Form 1040-ES), if they expect to owe more than $1,000 in taxes or if have owed in the previous tax year.
- Safe Harbor Rule: To prevent IRS penalties, pay at least 100-110% of last year’s tax liability through estimated payments.
- Set Aside for Taxes: A good rule of thumb is to save 20-30% of profits for tax obligations.
By planning ahead and making timely payments, self-employed couples can avoid surprises at tax time.
Understanding Business Structures & Tax Impact
The type of business entity each spouse owns affects how income is reported and taxed:
- Sole Proprietors report income on form Schedule C and combine it as taxable income on their personal tax return.
- LLCs, S Corporations or Partnerships require separate tax filings (e.g., Form 1065 or 1120S) and each member/partner receives a Schedule K-1 to report their share of profits or losses on their personal return.
- S Corporation Election: If a business earns more than $50,000 in profit, an S Corp structure may reduce self-employment taxes by allowing owners to take part of their income as distributions rather than salary.
Another tax tip for married entrepreneurs is maintaining separate business accounts. This is essential for accurately tracking income and deductions.
Maximizing Deductions & Credits
Both spouses can take advantage of business deductions to lower taxable income, including:
- Home Office Deduction—available for those who use a dedicated space for business
- Business Travel and Meals—must be necessary and documented
- Marketing, Advertising and Software Expenses
- Retirement Contributions—Solo 401K or SEP IRA (Simplified Employee Pension IRA)
- Health Insurance Premiums—self-employed deduction
Accurate recordkeeping is crucial—using accounting software like QuickBooks, Freshbooks or WAVE can help streamline tax preparation, prevent missed deductions and simplify business management.
State & Local Tax Considerations
Each state has different tax rules for married business owners. In community property states (e.g., California, Texas, Arizona), business income may be split 50/50, regardless of ownership structure. Understanding state tax laws can prevent surprises at tax time.
Hiring Each Other or Employees
If one spouse hires the other, payroll taxes and deductions apply. If both businesses have employees, maintaining proper payroll compliance (Form 941, W-2s) is essential. To avoid tax pitfalls, consulting a tax professional ensures businesses remain compliant with employment tax laws.
Planning for Taxes in the Long-Term
Married business owners should consider long-term tax strategies:
- Joint Estimated Tax Payments: Filing jointly may allow for one estimated tax payment instead of separate payments.
- Income Shifting: If one business is significantly more profitable, shifting income through salary or distributions may provide tax savings.
Navigating taxes as married business owners can be challenging, but it doesn’t have to be overwhelming. By choosing the right filing status, staying on top of estimated tax payments, maximizing deductions and structuring businesses wisely, couples can optimize their tax situation.
The best strategy? Given the complexities of business filing, working with a tax professional can help ensure you’re maximizing every tax-saving opportunity. Tax season may not be romantic, but smart financial planning can pave the way for a successful future—both in marriage and business.
Nicole Gillyard (Freeman-Kirkland), CPA, is the CEO and founder of By The Numberz CPA in Atlanta. With extensive experience in accounting and financial planning, Gillyard specializes in helping individuals and businesses navigate complex tax and financial strategies.