Articles by

Olsen Thielen

Track Home Improvements Before a Sale or Inheritance

October 12, 2026

When a property is sold or inherited, the difference between a large tax bill and a smaller one can come down to how well a homeowner documented qualifying capital improvements over the years. A permanent record of qualifying expenses is a simple step.

Q4 Tax Planning

October 8, 2026

Q4 tax planning is not a single deadline; it's a series of decisions that each have their own timing. Some strategies require lead time to execute, others depend on an updated year-end forecast, and some work can legitimately carry into the new year.

New IRS Per Diem Rates for 2026

October 8, 2026

The IRS has released its 2026-2027 special per diem rates for business travel, and the changes took effect October 1, 2026.

Law Firm Fraud: Red Flags and the Controls That Help

October 8, 2026

Where fraud hides in a law firm: the fraud triangle, red flags, the internal controls that help, and what to do if you discover a problem.

FinCEN Eliminates BOI Reporting

August 25, 2026

Beneficial Ownership Information (BOI) reporting has been permanently removed as a requirement for U.S. companies

Estate Planning: Revocable Living Trusts with Zach Wiegand

August 24, 2026

Podcast: In this episode of Q&A Over Coffee, we are joined by Estate Planning Attorney Zachary Wiegand of Gold Leaf Estate Planning and Olsen Thielen Tax Principal Adam Thielen for an in-depth discussion on estate planning, revocable living trusts, and more.

How Can Your Nonprofit Use Social Media to Grow?

August 11, 2026

Uncover strategies to help your not for profit strategically grow your social media presence through the platforms that are right for you.

Right Type of Business Entity for a New Business

July 24, 2026

What’s the right entity type for your new business? Two popular options for closely held businesses with multiple owners are LLCs taxed as partnerships and S corporations. Read more for a comparison of these two business entitty types.

Midyear Tax Review for Manufacturers

July 21, 2026

For manufacturers, a midyear tax review can reveal how recent tax law changes may affect capital investments, research spending and other manufacturing activities. Taking action now can give you more flexibility to reduce your 2026 federal tax obligation.

Meet the Olsen Thielen TAS Team

July 6, 2026

Video: Meet the team who leads our Business Valuation and Transaction Advisory Services.

Business or a Hobby?

June 23, 2026

The line between a business and a hobby isn’t always obvious — but it can have a major impact on your taxes. Learn what the IRS looks for and how to strengthen your position as a for-profit business.

New Minnesota Tax Law Changes with Matt Klein and Zach Deo

June 16, 2026

Podcast: Tax Principal Matt Klein and Tax Director Zach Deo break down the most important provisions in Minnesota's 2026 Tax Bill, signed into law on May 27th.

Do You Qualify as a “Small Business”?

June 7, 2026

Certain small businesses may qualify for various federal tax breaks. But different tax provisions use different size tests. Read on to learn more about big tax breaks for small businesses that meet one such test.

The One Big Beautiful Bill Act: Lessons Learned with Charlie Sparks and Zach Deo

May 27, 2026

Podcast: Explore the real-world impact of the “One Big Beautiful Act” after its first filing season, including SALT deductions, QBI permanence, bonus depreciation, Roth strategies, R&D expensing, and estate planning considerations.

Tax Identity Theft and Business Risks

May 22, 2026

Small business owners, beware: Tax identity theft is a costly, ongoing threat. Criminals may file fraudulent returns using a business’s EIN, impersonate executives to steal employee W-2 data, or use forged IRS documents to pose as a business for financial or tax-related activity.