Articles by

Olsen Thielen

2026 Information Reporting Changes

If your business has employees or independent contractors, you’re subject to various information reporting requirements. Some significant changes to these rules will go into effect for the 2026 tax year (forms that will be filed in early 2027 to report 2026 amounts).
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Business Interest Expense Deduction Changes

The rules limiting the business interest expense deduction are complicated. Recent changes could result in larger deductions for 2025 and you need to be aware of the impact on your business.
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Six Last-Minute Tax Tips for Businesses

It is not too late to consider implementing some last-minute tax tips to reduce your business' 2025 tax bill.
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How Will Taxes Affect Your Merger or Acquisition?

Selling the business you’ve spent years building or becoming a first-time business owner by buying an existing business might be the biggest financial move you ever make. We can assess the potential merger or acquisition tax consequences before you start negotiating to avoid tax surprises after the deal is signed.
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IRS 1st Quarter 2026 Interest Rates

The IRS 1st Quarter 2026 interest rates will remain the same for the calendar quarter beginning January 1, 2026.
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Retirement Plan Changes for 2026

The Internal Revenue Service has announced the 2026 401(k) contribution limits and guidance on cost-of-living adjustments and other retirement-related items for tax year 2026.
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The 2025-2026 Tax Planning Guide

Our Tax Planning Guide helps keep up with a lot of the current tax law changes. With the passage of the One Big Beautiful Bill Act (OBBBA) on July 4, 2025, many Tax Cuts and Jobs Act (TCJA) provisions, including lower individual tax rates, are now permanent.
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Uncollected Debt? You May Be Able to Claim a Tax Break

If you are having trouble collecting payments from customers, you might be eligible for a bad debt deduction on your 2025 tax return, but you must show that the debt is worthless and meet other requirements.
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Roth IRA Five-Year Rule

Roth IRAs are great to include in retirement planning because they offer tax-free withdrawals. But to take advantage of the Roth's tax-saving potential, you must follow all the rules, including the sometimes misunderstood five-year rule.
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R&D Expenses

If your business has incurred domestic R&E expenses (research and experimental) in 2025 (or incurred them in 2022, 2023 and/or 2024), you may have a new tax-saving opportunity this year.
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Lisa Dunnigan to Retire August 31, 2025

Lisa Dunnigan, Principal and Chief Information Officer, will be retiring effective August 31, 2025. 
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OBBBA Tax Provisions

The One, Big, Beautiful Bill Act (OBBBA) includes a number of favorable changes that will affect small business taxpayers, and some unfavorable changes too. Find out which OBBBA tax provisions apply to your business.
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Protect Your Business Expense Deductions

If you’re claiming deductions for business meals or vehicle expenses, there are strict substantiation rules that must be followed to protect your business expense deductions.
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Start Up Costs and Taxes

Before you open for business, learn how startup costs are handled on a federal tax return.
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Reasonable Compensation and the IRS

Determining “reasonable compensation” is a critical issue for owners of C corporations and S corporations. If the IRS believes an owner’s compensation is unreasonably high or low, it may disallow certain deductions or reclassify payments, potentially leading to penalties, back taxes and interest.
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