Gregory M. Janssen

Gregory M. Janssen

Corporate Compliance Law
Recognized in Best Attorney USA since 2023

About Gregory

Gregory Janssen applies his business and tax background in his practice at Brownstein. He assists clients with a broad range of tax and corporate needs, including mergers and acquisitions, tax aspects of real estate transactions (including like-kind exchanges), partnership and corporation formation and taxation, tax controversies, tax-exempt organizations, tax lobbying, and other tax planning and advice for business entities and individuals.

Gregory Janssen applies his business and tax background in his practice at Brownstein. He assists clients with a broad range of tax and corporate needs, including mergers and acquisitions, tax aspects of real estate transactions (including like-kind exchanges), partnership and corporation formation and taxation, tax controversies, tax-exempt organizations, tax lobbying, and other tax planning and advice for business entities and individuals.

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Reviews

4.5 / 5

8 Reviews

1,033 Profile Views

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Yuki Nakamura

Jan 18, 2026

Always Available and Kept Me Informed Every Step

I was dealing with a complex partnership formation for my tech startup and needed immediate guidance. Gregory Janssen was incredibly responsive—he answered my emails within hours, even on weekends. Hi...

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Diego Alvarez

Jan 18, 2026

Deep Tax Knowledge Saved Our Real Estate Deal

Our company was navigating a like-kind exchange for a commercial property acquisition, and the tax complexities seemed daunting. Gregory's expertise in corporate compliance law was immediately evident...

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Fatima Al-Rashid

Jan 18, 2026

Secured a Favorable Settlement in Tax Controversy

Facing an IRS audit for my family business was terrifying, with potential penalties threatening our operations. Gregory Janssen negotiated a settlement that reduced our liability by over 60% through m...

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Lakshmi Patel

Jan 18, 2026

Compassionate Guidance During a Difficult Merger

When our small nonprofit merged with a larger organization, I was emotionally attached to our mission and worried about the tax-exempt status implications. Gregory showed genuine understanding of my c...

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Henrik Johansson

Jan 18, 2026

Utmost Professionalism in Corporate Formation

Establishing our new corporation required navigating complex regulations, and Gregory Janssen exemplified professionalism throughout. His reputation for excellence in corporate compliance law was evid...