Jeanne M Adams CPA
“Jeanne is very flexible in helping me get the right information to her without having to charge me extra for certain things I can do myself.”
Best CPAs in Longmont, CO
15 firms listed · 13 in Longmont · 1 open weekends · 10 rated 4.5+
Data verified November 6, 2026
O'Donnell & Dennis Cpas
“We have been doing business with Todd and his team for over 20 years.”
Brock and Company Cpas
“He is very helpful and has the experience dealing with the IRS that you need when you ever have to deal with them.”
Michael F Pharris CPA
“Even though we don't live in Colorado where Mike practices, we were easily able to securely submit our many documents to him and do everything online.”
Hopp Consulting
“I couldn't be more impressed with the service I received from Cevin.”
Trailhead Accounting Solutions CPA
The 15 firms listed for Longmont, CO are accounting practices that serve businesses and organizations. What each states about its CPA license and assurance work comes from its own website; ratings and quotes come from public reviews.
Area overview: Longmont, CO
13 of the 15 firms we list are based in Longmont; the other 2 serve Longmont from Erie (9 mi) and Boulder (13 mi). 14 of the firms on this page have a rating, from 3.7 to 5.0 across 149 reviews; 1 has 50 or more reviews and 10 are rated 4.5 or higher. 1 is open on weekends. 1 lists staff certifications (CFP) and 1 has a BBB rating of A or A+. Domain records put 10 websites of the firms on this page at ten or more years old; the oldest dates from 1996. 2 offer remote or virtual consultations; 2 offer payment plans and 1 offers a free initial consultation. We have a website on file for 14 of the firms on this page; 14 publish a contact page; 10 list a public email and 1 takes bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Why are accounting practices outside Longmont shown here?
The firms holding an address in Longmont number 13 of the 15 here. The rest come from other towns within 15 mi. Assurance work spans a region comfortably, so sector experience usually outweighs the drive. Distances are straight-line.
Lahan CPA Tax
“I highly recommend working with her for all your tax preparation needs.”
Kirkland & Company, Cpa's
“The are competent and friendly and respond quickly to questions.”
Thaxter E. Williams, CPA
“Thaxter is responsive and very knowledgeable.”
Eight One Partners
“They're so great, I recently decided to join the team.”
Raymond e Derr CPA Pc
“Excellent tax law knowledge, been using Ray for 11 years for personal and business taxes and would not use anyone else.”
Hawkins & Martinez, Ea's
“Mauricio repeatedly has gone out of his way to explain complicated (to me) tax/payroll questions.”
Jim Marty & Associates Llc
Gary A Jacobs & Associates
“Gary and his team are both professional and down to earth with the ability to make the sometimes convoluted tax code understandable.”
Scott Thomas Lyle & Associates
“Very professional, friendly, and they have the expertise that give's you peace of mind.”
Why these companies made our list
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