Company lists · Data refreshed September 2026

Top 25 Adtech consultancies based in Chicago, United States

Name: Adtech consultancies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 232 companies tracked

RevenueBase identified 232 company matches for adtech consultancies associated with Chicago, United States as of September 2026 and tracks 4,780 professional contacts across them, including 1,798 with verified work emails. Across the United States, New York is the largest hub for this category (1,173 companies); Chicago has 232.

This list covers company matches for adtech consultancies 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 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

232Companies

4,780Contacts tracked

1,798Verified emails

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The 25 largest adtech consultancies based in Chicago, United States

Ranked by team size

Top 25 of 232 company matches for adtech consultancies based in Chicago, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	BASIS	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	501-1,000	891 contacts →
	Exact match “Basis is a global provider of media automation and programmatic advertising software and services for enterprises.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Affinity Global	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	201-500	446 contacts →
	Exact match “Affinity is a leading global AdTech company, empowering publishers to maximize revenue and enabling advertisers to reach their ideal audiences.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Conversant	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	1,001-5,000	268 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Fusion92	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	201-500	244 contacts →
	Exact match “Fusion92 is the independent growth partner for highly regulated, multi-location brands.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Empower Media	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	201-500	215 contacts →
	Exact match “We are Empower® America’s largest woman-owned media agency From the day we opened our doors in 1985, Empower has challenged the media status quo.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Vivaki	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	501-1,000	200 contacts →
	Exact match “Data, Technology and Innovation (DTI) is a centralized global practice within Publicis Media, the media-centric solutions hub of Publicis Groupe [Euronext Paris CAC 40].” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Strike Social	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	161 contacts →
	Exact match “Strike Social’s machine learning technology is an end-to-end YouTube, Meta, TikTok, and all-biddable social execution platform built to generate savings for agencies and deliver…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	Kelly Scott Madison	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	110 contacts →
	Exact match “Proudly independent, Kelly Scott Madison uncomplicates the intricate media marketplace to deliver agile and impactful solutions, fast.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Digital Authority Partners	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	95 contacts →
	Exact match “Digital Authority Partners (DAP) is an integrated digital agency that blends data-driven insights and innovative problem solving to help companies evolve, compete and grow in a…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	DOE Media	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	85 contacts →
	Exact match “DOE Media is a leading independently owned and operated data-driven direct response advertising platform providing sophisticated solutions to partners ranging from startups to…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Envisionit	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	69 contacts →
	Exact match “Envisionit is an award-winning, full-service digital marketing agency headquartered in Chicago with in-house Media, Creative, Tech, Strategy and Analytics teams.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	Eicoff	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	65 contacts →
	Exact match “Transform your marketing into a growth engine.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Lkh&s Advertising	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	47 contacts →
	Exact match “LKH & S has joined forces with The Motion Agency!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Logical Media Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	45 contacts →
	Exact match “Logical Media Group is a full-service digital marketing agency located in the River North neighborhood of Chicago.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	EM Search Consulting, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	42 contacts →
	Exact match “As a proven expert in digital marketing, EMSC’s unique approach offers our clients a truly responsive and collaborative partnership.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Gainshare Performance Marketing	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	39 contacts →
	Exact match “GainShare helps growth-minded brands turn marketing into predictable revenue.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	GRP Media	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	31 contacts →
	Exact match “We’re an independent, full-service Chicago-based media planning and buying agency delivering smart insights, precision and impeccable service to our clients.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Clickx	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	30 contacts →
	Exact match “Welcome to Clickx!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	I-Prowess	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	24 contacts →
	Exact match “Since 2016, we’ve been your trusted partner in cutting-edge digital marketing and performance-driven success.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Futureman	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	19 contacts →
	Exact match “Futureman is an award-winning production and interactive agency.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Perfect Search Media	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	19 contacts →
	Exact match “Perfect Search Media is a top-rated, Chicago-based digital marketing agency.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Fortress	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	18 contacts →
	Exact match “Fortress Consulting combines the creative strengths of a full service advertising agency with the technical skills of a cutting edge digital media firm.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	FOX Associates, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	11-50	18 contacts →
	Exact match “For more than 50 years, Fox Associates, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Buzzco	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	18 contacts →
	Exact match “BuzzCo is a woman-owned executive search consultancy fueling Marketing, Advertising & Creative with talent that keeps pace with innovation.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Accuen	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	51-200	18 contacts →
	Exact match “Accuen is Omnicom Media Group’s programmatic agency, operating the industry’s first open and flexible platform for programmatic media buying for the world's leading marketers.” Recorded in the RevenueBase company graph · Sep 22, 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 “adtech consultancies”. 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 232 adtech consultancies based in Chicago, United States

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Adtech consultancies based in Chicago, United States at a glance

As of Sep 22, 2026

37.6%Verified-email coverage

20.6Average contacts per company

1-10Median size (employees)

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

144

11-50

51-200

201-500

501-1,000

1,001-5,000

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 232 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 “adtech consultancies” 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 1,798 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.

Adtech consultancies 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 “adtech consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many adtech consultancies are there based in Chicago, United States?

RevenueBase identified 232 company matches for adtech consultancies 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?

BASIS 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 adtech consultancies?

New York leads the United States with 1,173 company records, followed by Los Angeles (460) and Miami (333). Chicago has 232.

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 1,798 professional contacts with verified work emails tracked across these 232 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.