Alaska’s Best Tax Resolution Firm

Diehl CPA is a full-service tax resolution firm in Alaska that provides affordable tax solutions for those who are in conflict with the IRS.


Mark Diehl, CPA, CFE

Founder & President

The Founder

Mark Diehl, founder, and president of Diehl CPA, is a Certified Public Accountant (CPA) and Certified Fraud Examiner (CFE) with both a Bachelor of Science and a Master of Science degree in Accounting from Western Governors University.  Mark was appointed in June 2023 to serve on the Alaska State Board of Public Accountancy by Governor Mike Dunleavy and is a member of the American Society of Tax Problem Solvers.

For years, Mark has worked as the former Minnesota state tax auditor in Minnesota.   Mark moved to Alaska in 2021 and started his tax resolution firm to help people and protect their hard-earned money and has been in business since 2019. His goal is to help taxpayers across Alaska save time, effort, stress, and money when the IRS comes knocking on their door.

Why Work With Us

Diehl CPA prides itself in a process that allows the smoothest and quickest tax relief possible.


We Put Our Clients First and Foremost

Our mission is to negotiate the lowest possible IRS payment allowed by law while helping our clients save money in back taxes and IRS penalties.


Realistic Expectations, Realistic Results

The IRS is known for having strict guidelines. Because of this, we offer transparency and help clients understand the process


Ethical and Honest Approach

We let our clients know upfront what tax relief options are viable for their case. This has helped us achieve a high client satisfaction rate.


Transparency and Affordability

Save your pennies for a better day — we never allow clients to retain our firm’s services unless the taxpayer is a legitimate candidate for tax relief.

Mark Diehl has been a fantastic accountant. Not only have I rarely ever been sent to his voice mail, as he answers which is incredible for immediate information, but he has saved me $$$ time and time again. Most recently, he asked me about a business transaction that I had NO idea existed. RECOMMEND him HIGHLY!!!

Darren De Araujo

“I don’t like paying taxes,but I like sleeping at night.”

–Leonardo Del Vecchio

Our Why

Millions of Americans end up in situations where the IRS asks for more than what an average taxpayer can afford to pay. Whatever the reason for falling behind on taxes, this burden causes significant stress and negatively affects every aspect of the individual’s life.

We’re on a mission to help taxpayers across the country take their lives back from the shackles of the IRS. Using proven strategies, our experts will fight for you until your best possible resolution is achieved. So if you’re ready to work with a dedicated team who will always be in your corner, contact Diehl CPA today.


Mark is very friendly, helpful, and knowledgable. He was easy to talk with and did a great job. I would highly recommend him to anyone looking for CPA services!

Juliet S.

Go-getter and genuine expert are a few of the phrases that come to mind when I think about Mark. He is a detail-oriented, target-oriented, ambitious, and strong worker. His knowledge is vast and extensive. He always takes care of the job.

David Lebbie

Don’t let tax problems keep you from living your life.

We help you solve your tax issues once and for all so you can get back to your family, your passion project, your business, or maybe even an actual mountain. Whatever it is, it's time to live again.

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