Company lists · Data refreshed September 2026

Top 25 Tax advisory firms based in Denver, United States

RevenueBase identified 46 company matches for tax advisory firms associated with Denver, United States as of September 2026 and tracks 197 professional contacts across them, including 81 with verified work emails. Across the United States, New York is the largest hub for this category (257 companies); Denver has 46.

This list covers company matches for tax advisory firms associated with Denver, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
46Companies
197Contacts tracked
81Verified emails
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The 25 largest tax advisory firms based in Denver, United States

Ranked by team size
Top 25 of 46 company matches for tax advisory firms based in Denver, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDenver, CO, United StatesHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“RGO, CPAs (Ryan, Gunsauls & O'Donnell, LLC) is one of Denver’s most established and respected certified public accounting firms.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchDenver, CO, United StatesHQ recorded Sep 22, 202611-5015 contacts →

Exact match

“Blueprint Resolution Services provides customized tax solutions to business and individual taxpayers throughout the United States for pending issues before the Internal Revenue…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-1015 contacts →

Exact match

“Gheen & Co, CPA, LLC is the fastest growing CPA firm in Colorado.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchDenver, CO, United StatesHQ recorded Sep 22, 202611-5013 contacts →

Exact match

“All of our services revolve around assisting people with IRS problems, and how to get them out of hot water with the IRS.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-1011 contacts →

Exact match

“A CPA Tax and Accounting practice providing business and individual tax services, accounting, bookkeeping, tax planning, business advisory, company formation services and more!”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-109 contacts →

Exact match

“Boxelder Consulting began in 2015 and was born out of Dave Weishaus and Tom Conradt’s vision of transparent, comprehensive, and affordable tax relief for individuals looking for a…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchDenver, CO, United StatesHQ recorded Sep 22, 202611-507 contacts →

Exact match

“Brinkerhoff Revenig & Corrigan is a CPA firm that has developed professional expertise in tax planning and business consultation covering a broad range of industries and financial…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Welcome to Fusion Legal & Tax (formerly Long Law Group)!”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchDenver, CO, United StatesHQ recorded Sep 22, 202611-507 contacts →

Exact match

“Hansen CPA is a boutique public accounting firm and an independent member of the BDO Alliance USA.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-106 contacts →

Exact match

“Winterscheidt and Widegren LLC is committed to providing a complete range of professional tax compliance and planning as well as accounting services, at affordable fees.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“We are group of diverse individuals who have come together under one initiative to provide an uncharacteristic approach to providing tax, business consulting, and tax provision…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Cadieux and Associates is a Denver based accounting firm specializing in the needs of small businesses.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchDenver, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Accounting Services Tax Services Tax Planning Estate & Trust Tax Preparation Consulting Services Litigation Support Business Valuations Forensic Accounting Buying & Selling a…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“The McGuire Law Firm, founded by attorney John R.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“Certified Public Accountants.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“Cornbelt Financial is your modern accounting and advisory firm focused on optimizing financials for small business owners and individuals by providing tax, investment, and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“Servitiam Accounting is a full service accounting and consulting firm catering to a wide variety of clients ranging from individuals to medium sized corporations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“Tax Advisory Firm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“Colonial Tax Consultants is a group of Attorneys and Enrolled Agents specializing in representing businesses and individuals nationally who owe the IRS or the various state taxing…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchDenver, CO, United StatesHQ recorded Sep 22, 2026501-1,0002 contacts →

Exact match

“Expertise in tax advice and preparation for Individuals, Partnerships and Corporations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-102 contacts →

Exact match

“As Enrolled Agents, America’s Tax Experts, we specialize in taxation.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-101 contacts →

Exact match

“Lyons & Seacrest, PC Certified Public Accountants Trusted Advisors for over 30 years “Bringing clients piece of mind” Providing: Investment Management Services Tax Planning…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchDenver, CO, United StatesHQ recorded Sep 22, 20261-101 contacts →

Exact match

“MCCANNON TYLER & ASSOCIATES, LLC is an accounting company based out of 501 S.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 46 tax advisory firms based in Denver, United States

See the full list, filter by size, metro and specialty, and access 81 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax advisory firms based in Denver, United States at a glance

As of Sep 22, 2026
41.1%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
10
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Denver, so it is reported there. Company counts and contact totals on this page are exact for Denver, over 46 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Denver, United States whose business descriptions match “tax advisory firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 81 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax advisory firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax advisory firms are there based in Denver, United States?

RevenueBase identified 46 company matches for tax advisory firms associated with Denver, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Ryan, Gunsauls & O'donnell, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most tax advisory firms?

New York leads the United States with 257 company records, followed by Houston (194) and Miami (123). Denver has 46.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 81 professional contacts with verified work emails tracked across these 46 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.