Segal, Cohen & Landis, P.C.
Denver IRS Tax Attorney
Serving Denver from our Beverly Hills office. Most matters are handled entirely by phone and video.
Denver business owners - from RiNo tech founders to licensed cannabis operators navigating IRC 280E - face IRS audits and collection actions that Colorado's simple 4.4% flat tax does nothing to shield them from. When the IRS opens a federal audit, files a tax lien, issues a wage or bank levy, or pursues a Trust Fund Recovery Penalty, the Colorado Department of Revenue cannot help and time is short. Segal, Cohen & Landis - the IRS tax law firm headquartered at 9100 Wilshire Blvd in Beverly Hills, with over 33 years resolving IRS controversies in all 50 states - represents Denver individuals and businesses in audits, Offers in Compromise, installment agreements, and lien and levy releases. Contact the firm today before an IRS notice becomes a levy on your accounts.

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IRS Tax Services Available to Denver Clients
We represent clients in Denver and across the United States before the IRS, U.S. Tax Court, and state tax agencies. Common issues we resolve:
Why Denver Taxpayers Choose Segal, Cohen & Landis
Attorney-Led, Not Sales-Led
Every case is handled directly by a licensed tax attorney — never delegated to an unenrolled preparer or case manager. You get attorney judgment from day one.
33+ Years of IRS Experience
Sam Landis, Esq. has spent over three decades navigating IRS Collection, IRS Examination, and U.S. Tax Court on behalf of individuals and businesses.
National IRS Practice
We practice before the IRS in all 50 states and U.S. territories. Your physical location doesn't limit your access to experienced IRS tax counsel.
Client Reviews
Read client feedback and visit our review sources for their current ratings and review counts.
What Our Clients Say
Read client feedback on Google and Trustpilot.
“Sam resolved a six-figure IRS levy in under a week. He communicated every step clearly and got the result we needed. I can't recommend SCL highly enough.”
Michael T. · 2024
“I had an extremely complex FBAR and Form 3520 situation. Sam understood every nuance and handled the voluntary disclosure flawlessly. Genuinely the best in the field.”
Priya R. · 2024
“After receiving an IRS audit notice I was terrified. The team at SCL walked me through everything, represented me completely, and the audit closed with no changes. Worth every penny.”
David L. · 2023
Samuel Landis, Esq. · LL.M. Taxation, Boston University · 33+ years IRS controversy practice
Frequently Asked Questions — Denver IRS Tax Help
I own a cannabis dispensary in Denver. How does Section 280E affect my federal taxes?
Section 280E prevents cannabis businesses from deducting ordinary business expenses (rent, payroll, utilities, advertising) beyond cost of goods sold — regardless of state legality. This results in effective federal tax rates of 50-70% for many Colorado cannabis businesses. SCL handles IRS audits of cannabis business returns and advises on COGS maximization and entity structure strategies to reduce 280E impact.
I have oil and gas investments in Colorado. Are there specific IRS audit risks?
Yes. Working interest income, intangible drilling cost deductions, percentage depletion, and passive activity rules for energy investments are all IRS audit targets. SCL handles IRS examination of energy investment returns for Denver investors.
Can SCL help with Colorado Department of Revenue disputes?
SCL focuses on federal IRS representation. For Colorado state tax matters, we coordinate with Colorado tax counsel. Call to discuss your situation and we'll ensure the right resources are engaged for both federal and state issues.
How quickly can you stop a wage garnishment or bank levy?
In most cases, we can issue an IRS levy release or garnishment suspension within 24–72 hours of being retained, pending IRS processing. The first step is a free consultation to assess your situation.
What is the cost of a tax attorney consultation?
We offer a free initial consultation to evaluate your situation. Fee schedules vary by case type and complexity — we are transparent about fees before any engagement.
Attorney-Led IRS Representation
Ready to Resolve Your IRS Problem in Denver?
Schedule a confidential consultation with a licensed IRS tax attorney. No sales calls, no pressure — just honest legal counsel and a clear path forward.
Attorney Advertising. This page provides general information, not legal advice. Contact an attorney for advice specific to your situation.

