Company lists · Data refreshed October 2026

Top 25 Internal communications consulting firms based in Chicago, United States

RevenueBase identified 351 company matches for internal communications consulting firms associated with Chicago, United States as of October 2026 and tracks 5,180 professional contacts across them, including 2,108 with verified work emails. Across the United States, New York is the largest hub for this category (790 companies); Chicago follows with 351.

This list covers company matches for internal communications consulting 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 October 1, 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 Oct 1, 2026 How this list was built
351Companies
5,180Contacts tracked
2,108Verified emails
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The 25 largest internal communications consulting firms based in Chicago, United States

Ranked by team size
Top 25 of 351 company matches for internal communications consulting firms based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 matchChicago, IL, United StatesHQ recorded Oct 1, 20261,001-5,0003,376 contacts →

Exact match

“Heidrick & Struggles is the premier provider of executive search, corporate culture and leadership consulting services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202651-20054 contacts →

Exact match

“We believe our strength is in helping clients direct-rather than react to-the ongoing conversations about them in the marketplace.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5043 contacts →

Exact match

“Public Communications Inc.(PCI) is an award-winning, national, integrated communications firm headquartered in Chicago specializing in healthcare, conservation, nonprofit and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Oct 1, 2026n/a42 contacts →

Exact match

“At MYB (Minding Your Business), we believe that if you dare to look at things differently the possibilities are endless.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5041 contacts →

Exact match

“For over 50 years, we've operated with a single mission: to ensure our customers have the leadership they need to win in the marketplace.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5035 contacts →

Exact match

“The Alpha Companies, including Alpha IR Group and Alpha Advisory Group, deliver fully integrated and comprehensive Investor Relations, Communications, Issues & Crisis Management…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5029 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 · Oct 1, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5025 contacts →

Exact match

“Rudd Resources LLC is a Chicago-based company focused on communications since 2014.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5022 contacts →

Exact match

“Speak by Design is a communications and training consulting firm.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202651-20022 contacts →

Exact match

“We shape narratives, launch brands, engage audiences, and drive policy outcomes.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5020 contacts →

Exact match

“Rise Strategy Group is a high stakes public strategy firm.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5019 contacts →

Exact match

“Reputation Partners (RP) is a national strategic communications and public relations firm exclusively focused on building, protecting and restoring organizational and leadership…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5019 contacts →

Exact match

“Named Employee Communications Agency of the Year by PRovoke Media, and twice-named Boutique Agency of the Year by PRWeek, Chicago-based The Grossman Group helps leaders and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5018 contacts →

Exact match

“We help organizations unlock the potential of their experiences through strategy, design, storytelling and execution.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“Most organizations still treat engagement as a creative exercise.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5016 contacts →

Exact match

“We started Team 201 because of the need for a more integrated approach to an organization’s marketing and engineering functions.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5015 contacts →

Exact match

“FLIRT Communications is a transformational communications company specializing in events, campaigns and experiences.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Oct 1, 20261-1015 contacts →

Exact match

“Stop Meeting Like This is a professional services firm that partners with forward-looking companies to transform how work gets done.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“Dakota Systems, Inc.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5013 contacts →

Exact match

“Frank Lynn & Associates (FL & A) is the preeminent management consulting firm that designs creative, competitive, growth-oriented, profitable channel strategies and the supporting…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5013 contacts →

Exact match

“For more than 25 years, Resolute Public Affairs and Resolute Strategic Services have helped organizations navigate complex challenges, protect their reputations and communicate…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“The Branded Agency brings a unique mindset to strategic communications, founded on the principle of providing senior-level integrated agency services, which are otherwise…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“TANDEM delivers creative strategy and content development for internal communications and events- specializing in pharma, biotech, and life sciences.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“For more than two decades, Serafin & Associates, Inc,(Serafin) has delivered cutting-edge, full-service communications and public affairs strategies to clients seeking a trusted…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 351 internal communications consulting firms based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 2,108 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal communications consulting firms based in Chicago, United States at a glance

As of Oct 1, 2026
40.7%Verified-email coverage
14.8Average contacts per company
1-10Median size (employees)
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
276
11-50
67
51-200
4
201-500
1
501-1,000
1
1,001-5,000
2

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 351 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 “internal communications consulting 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 2,108 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 October 1, 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.

Internal communications consulting 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 “internal communications consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal communications consulting firms are there based in Chicago, United States?

RevenueBase identified 351 company matches for internal communications consulting firms associated with Chicago, United States as of October 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?

Heidrick & Struggles 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 internal communications consulting firms?

New York leads the United States with 790 company records, followed by Chicago (351) and Washington (335).

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 2,108 professional contacts with verified work emails tracked across these 351 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 October 1, 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.