Company lists · Data refreshed September 2026

Top 25 IT provider for professional services firms based in Chicago, United States

Name: IT provider for professional services firms based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 130 companies tracked

RevenueBase identified 130 company matches for IT provider for professional services firms associated with Chicago, United States as of September 2026 and tracks 15,634 professional contacts across them, including 2,176 with verified work emails. Across the United States, New York is the largest hub for this category (240 companies); Chicago has 130.

This list covers company matches for IT provider for professional services firms associated with Chicago, 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 21, 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 21, 2026 How this list was built

130Companies

15,634Contacts tracked

2,176Verified emails

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The 25 largest IT provider for professional services firms based in Chicago, United States

Ranked by team size

Top 25 of 130 company matches for IT provider for professional services firms based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,688 contacts →
	Exact match “Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	SDI Presence	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	201-500	391 contacts →
	Exact match “SDI Presence LLC is an IT consultancy and managed services provider (MSP) that leverages its strong team presence to advance our clients to a secure digital enterprise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Fgmk, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	201-500	292 contacts →
	Exact match “FGMK is a leading professional services firm providing assurance, tax and advisory services to privately held businesses, global public companies, entrepreneurs, high-net-worth…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Fulcrum GT	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	501-1,000	276 contacts →
	Exact match “More than a practice management system, Fulcrum Global Technologies’ Solution ecosystem-Fulcrum Snap-is the industry’s most powerful solution suite running on the world’s largest…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Accretive Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	501-1,000	217 contacts →
	Exact match “Your World.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Bigtime Software, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	165 contacts →
	Exact match “Leading a successful professional service firm is an art.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	RKON	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	163 contacts →
	Exact match “Since 1998, RKON has delivered IT Transformation helping private equity and enterprise firms achieve Quiet IT from vision to execution.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Smokeball	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	150 contacts →
	Exact match “Smokeball is a global practice management powerhouse with a commitment to transforming legal practices through innovation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	DTI Diversified Technology INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	62 contacts →
	Exact match “DTI is a 100% African American-owned IT consulting and network services firm with nearly 40 years of experience.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Bluerock	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	201-500	53 contacts →
	Exact match “BlueROCK was founded on the premise that all companies should have a trusted partner for unbiased technology advice and guidance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Mars-Technominds, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	43 contacts →
	Exact match “MARS-Technominds has indeed come a long way in setting high standards in technology and consulting services and has certainly proved to be a force to reckon with since its…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Navigant Consulting INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	n/a	38 contacts →
	Exact match “At Navigant, we help you take control of your future.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Crosspeak Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	35 contacts →
	Exact match “Let us help your business conquer the cloud.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Source Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	29 contacts →
	Exact match “Source Consulting Group LLC is the premier full-service consulting firm focusing exclusively on the strategic and operational business process and technology needs of legal and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	CTS Impact	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	29 contacts →
	Exact match “CTS Impact is a hands-on business consulting firm focused on delivering practical solutions to complex business issues in the areas of Finance, IT and Human Resources.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	NDH Advisors LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	29 contacts →
	Exact match “Accounting & Tax Solutions with Excellence and Integrity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Vbridge Global LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	23 contacts →
	Exact match “VBridgeGlobal LLC is a niche IT Services and Consulting organization in Illinois.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Pearl Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	22 contacts →
	Exact match “Pearl Consulting Group is a global IT consulting firm dedicated to helping businesses navigate the complexities of technology with confidence.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Micro-Tech USA	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	20 contacts →
	Exact match “Welcome to Micro-Tech U.S.A!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Zivra, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	19 contacts →
	Exact match “Zivra is a boutique IT professional services firm founded by highly-experienced IT consulting executives.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Unbiased Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	18 contacts →
	Exact match “We are UNBIASED, experienced, consultants that help law firms and law departments improve client service delivery, enhance business operations and leverage technology solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Friendly Solutions Corp	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	11-50	17 contacts →
	Exact match “We are an information technology consulting firm, dedicated to providing comprehensive technology solutions for specific business needs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	More Solutions Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	9 contacts →
	Exact match “Helping IT Integrators, VARs & Solution Providers do More.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Sonoma Partners	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	9 contacts →
	Exact match “Sonoma Partners was acquired by EY on March 16, 2018* Chicago-based Sonoma Partners provides technology and business process consulting to enterprise and mid-sized firms.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Marketstaff INC	Exact match	Chicago, United StatesHQ recorded Sep 21, 2026	1-10	7 contacts →
	Exact match “Marketstaff, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “IT provider for professional services firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 130 IT provider for professional services firms based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 2,176 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT provider for professional services firms based in Chicago, United States at a glance

As of Sep 21, 2026

13.9%Verified-email coverage

120.3Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 130 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 Chicago, United States whose business descriptions match “IT provider for professional services 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 2,176 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 21, 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.

IT provider for professional services firms by metro in the United States

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 “IT provider for professional services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT provider for professional services firms are there based in Chicago, United States?

RevenueBase identified 130 company matches for IT provider for professional services firms associated with Chicago, 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?

Sikich 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 IT provider for professional services firms?

New York leads the United States with 240 company records, followed by Atlanta (143) and Houston (143). Chicago has 130.

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 2,176 professional contacts with verified work emails tracked across these 130 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 21, 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.