Company lists · Data verified August 2026

Top 25 Accounting outsourcing firms based in Chicago, United States

There are 91 accounting outsourcing firms headquartered in Chicago, United States (RevenueBase, August 2026). RevenueBase tracks 311 professional contacts across them, including 91 with verified work emails and 120 with mobile numbers. New York is the largest hub.

This list covers accounting outsourcing firms headquartered in Chicago, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

91Companies
311Contacts tracked
91Verified emails
120Mobile numbers
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The 25 largest accounting outsourcing firms based in Chicago, United States

Ranked by team size
Top 25 of 91 accounting outsourcing firms based in Chicago, United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1M Mehta & CompanyChicago51-200441
2Excelsior Accounting ServicesChicago, IL11-502216
3Fiscal Advocate, INCChicago, IL11-50205
4Tavola GroupChicago, IL11-501711
5P&g AdvisorsChicago, IL1-10133
6KhulasChicago, IL1-1083
7Global Accounting LLCChicago, IL1-1054
8Build AccountingChicago, IL1-1053
9NO Bull Financial Consulting CompanyChicago, IL1-1053
10Flax CPA & Business SolutionsChicago, IL1-1053
11Fritz Financial SolutionsChicago, IL1-1042
12Gladys R Wilson & Associates PCChicago, IL1-1041
13Watch HER GrowChicago, IL1-1033
14DLW Business Consultants, LTDChicago, IL1-1033
15Ewaider&co Outsourcing And ConsultingChicago, IL51-20031
16Moshe Klein & AssociatesChicago11-5031
17Remote ControllerChicago, IL1-1031
18Virtucount LLCChicago, IL1-1022
19John Joseph Griffin, Cpa, P.CChicago, IL1-1022
20River North Financial GroupChicago, IL51-20021
21Prominent Cpas & Associates, LLCChicago, IL1-1021
22Plus Bookkeeping Services, INCChicago, IL1-1021
23Bookkeeping For Good INCChicago, IL1-1021
24True CFOChicago, IL11-5011
25Flores CPA & AssociatesChicago, IL1-1011

Showing 25 of 91 accounting outsourcing firms based in Chicago, United States

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Accounting outsourcing firms based in Chicago, United States at a glance

As of Aug 28, 2026
1-10Median size (employees)
New YorkLargest hub · 237 HQs
120Contacts with mobile numbers
1Emails re-verified in last 30 days

Companies by employee count

1-10
74
11-50
10
51-200
7

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “accounting outsourcing firms”, with match quality audited by blind human judging, and headquartered in Chicago, United States.
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
Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting outsourcing firms are there based in Chicago, United States?

There are 91 accounting outsourcing firms headquartered in Chicago, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

M Mehta & Company, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most accounting outsourcing firms?

New York leads with 237 headquartered companies, followed by Houston (171) and Los Angeles (148).

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 91 verified decision-maker contacts tracked across these 91 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.