Company lists · Data refreshed September 2026

Top 25 Professional services firms based in Atlanta, United States

RevenueBase identified 304 professional services firms headquartered in Atlanta, United States as of September 2026 and tracks 8,671 professional contacts across them, including 5,041 with verified work emails. New York is the largest hub.

This list covers professional services firms headquartered in Atlanta, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
304Companies
8,671Contacts tracked
5,041Verified emails
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The 25 largest professional services firms based in Atlanta, United States

Ranked by team size
Top 25 of 304 professional services firms based in Atlanta, United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names professional services firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
APRIOIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 20261,001-5,0002,842

“Aprio is redefining what it means to be a global advisory and accounting firm.”

Source: company website · checked Sep 5, 2026
2
Hall Booth Smith, P.CIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 2026501-1,000815

“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.”

Source: company website · checked Sep 5, 2026
3
Mauldin & JenkinsIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 2026501-1,000650

“Mauldin & Jenkins, LLC believes that by working together with our clients, we can accomplish anything!”

Source: company website · checked Sep 5, 2026
4
Bennett ThrasherIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 2026201-500558

“Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.”

Source: company website · checked Sep 5, 2026
5
Smith HowardIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 2026501-1,000413

“Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.”

Source: company website · checked Sep 5, 2026
6
Windham BrannonIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-200261

“Windham Brannon is a recognized leader in providing advisory, assurance and tax services to clients both nationally and globally.”

Source: company website · checked Sep 5, 2026
7
Small Business ServicesIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 2026n/a229

“Founded in 1990 in Atlanta, Georgia, Small Business Services is part of LedgerWay, a tax, accounting, and advisory firm built for small businesses and entrepreneurs who are…”

Source: company website · checked Sep 5, 2026
8
Moore ColsonIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-200220

“Headquartered in Atlanta, Georgia, Moore Colson is one of the largest independent accounting and advisory firms in the United States.”

Source: company website · checked Sep 5, 2026
9
CKH GroupIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-200219

“CKH Group is an Atlanta-headquarterd CPA firm offering powerful assurance, tax, accounting, and advisory services to individuals, small businesses, global enterprises, and…”

Source: company website · checked Sep 5, 2026
10
MSTIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-200150

“MST is committed to providing expert, personal service to our clients – just as we have been since 1956.”

Source: company website · checked Sep 5, 2026
11
Knav USIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-200126

“KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…”

Source: company website · checked Sep 5, 2026
12
Acuity AccountingIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-20089

“Acuity is the modern-day accounting organization built specifically for startups and small businesses.”

Source: company website · checked Sep 5, 2026
13
WBL Cpas AdvisorsIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202651-20069

“Answers You Need.”

Source: company website · checked Sep 5, 2026
14
APN GroupStrong evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5054

“APN Group (Accounting Professionals Network, Inc.) is an Atlanta-based consulting firm of finance, accounting and HR professionals on a mission to help small and medium businesses…”

Source: company website · checked Sep 5, 2026
15
Wilson LewisIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5052

“Wilson Lewis is a certified public accounting firm designed to make your life easier.”

Source: company website · checked Sep 5, 2026
16
Jones And KolbIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5040

“Clients of today’s leading financial services firms expect a superior level of experience and expertise to help them address complex accounting, reporting and planning issues.”

Source: company website · checked Sep 5, 2026
17Atlanta, GA, United StatesHQ checked Sep 5, 202611-5038

“As one of the leading full service accounting firms in the state of Georgia, our Atlanta and Athens teams combine expertise and experience to assure that every client receives the…”

Source: company website · checked Sep 5, 2026
18
Aarc-360Indirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5037

“AARC-360 is a firm of Certified Public Accountants and Advisors that combine deep insights gained across industries to provide Assurance, Advisory, Risk, and Compliance services.”

Source: company website · checked Sep 5, 2026
19
Marshall JonesIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5037

“Marshall Jones is a CPA firm located in the Buckhead and Alpharetta area of Atlanta, GA.”

Source: company website · checked Sep 5, 2026
20
Steele Consulting LLCIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5033

“Steele Consulting LLC is a national tax consulting firm providing Fortune companies with credentialed, experienced consultants having a high degree of technical tax proficiency.”

Source: company website · checked Sep 5, 2026
21Atlanta, GA, United StatesHQ checked Sep 5, 202611-5026

“Rausch was founded in 2013 with a simple goal in mind - provide strategic insight and skilled execution while creating and maximizing value for our clients.”

Source: company website · checked Sep 5, 2026
22
Large & Gilbert, P.CIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5024

“Construction Accounting Firm Welcome to Large & Gilbert, P.C, the premier construction accounting firm in the Southeast.”

Source: company website · checked Sep 5, 2026
23Atlanta, GA, United StatesHQ checked Sep 5, 202611-5023

“Since 1992, IRA Group has been serving institutional and individual clients who seek personalized relationships and customized financial and regulatory guidance.”

Source: company website · checked Sep 5, 2026
24
Nicholas Hoffman & CompanyIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5021

“For information on the firm please refer to our website at”

Source: company website · checked Sep 5, 2026
25
PeachcapIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 202611-5020

“PeachCap's collaborative model provides fully integrated tax, accounting, and wealth services to families and businesses nationwide.”

Source: company website · checked Sep 5, 2026

Showing 25 of 304 professional services firms based in Atlanta, United States

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Professional services firms based in Atlanta, United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 593 HQs
Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
218
11-50
56
51-200
12
201-500
8
501-1,000
3
1,001-5,000
2

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Atlanta, over 304 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among professional services firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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
Companies headquartered in Atlanta, United States whose own description of what they do matches “professional services firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among professional services firms, and records with no verified work email. Companies headquartered outside Atlanta are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,041 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Professional services firms by metro in the United States

Frequently asked

How many professional services firms are there based in Atlanta, United States?

RevenueBase identified 304 professional services firms headquartered in Atlanta, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

APRIO, headquartered in Atlanta, tops this list with the largest team on record.

Which city has the most professional services firms?

New York leads with 593 headquartered companies, followed by Houston (420) and Atlanta (304).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,041 verified decision-maker contacts tracked across these 304 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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.