Client Testimonials

Thielen+ has been our accounting firm of choice since 2002.  In that time, they have provided accounting services exceeding any expectation of superior service we’ve held.  Through their expert knowledge and unwavering desire to please the customer, they’ve helped our company grow from a consulting company of one employee to a company of over 125. Regardless of any accounting challenge we faced, they’ve always been available with expert advice and guidance necessary to successfully navigate a path to success. Their personnel are always available and pleasant to deal with whether via phone or face-to-face.  It makes no difference whether you’re are dealing with Jim Thielen or Jessica Sperling or anyone else in the company down to a junior bookkeeper, the experience is always the same . . . pleasant, accurate, and helpful.  It would be hard to imagine how our company could have prospered as it has without these true partners in our journey. - James L. “Jim” Herdt, MCPON, USN, Retired, CEO/CFO Herdt Consulting, Inc.


Jim has been my personal CPA for well over 30 years. He has also been our corporate CPA at NAI TALCOR, as well as for many of our partnerships. I couldn’t ask for a better person or firm to help us with all our needs. They’re fantastic!Jim has been my personal CPA for well over 30 years. He has also been our corporate CPA at NAI TALCOR, as well as for many of our partnerships. I couldn’t ask for a better person or firm to help us with all our needs. They’re fantastic! - E. Edward Murray, Jr., SIOR, CCIM, President, NAI Talcor Commercial Real Estate


I’ve been a loyal client of Thielen+ Tax and Business Consulting for more than a decade and they’ve been an integral part of my business year in and year out. Their attention to detail, high ethical standards, and efficient service delivery are second to none. - Eric Criss, PhD, Founder and CEO, Arena Public Affairs, LLC

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1915 Hillbrooke Trail


Tallahassee, FL

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