Company lists · Data refreshed October 2026

Top 25 Ad tech consulting firms based in Chicago, United States

Name: Ad tech consulting firms based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 117 companies tracked

RevenueBase identified 117 company matches for ad tech consulting firms associated with Chicago, United States as of October 2026 and tracks 3,451 professional contacts across them, including 1,405 with verified work emails. Across the United States, New York is the largest hub for this category (573 companies); Chicago has 117.

This list covers company matches for ad tech 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

117Companies

3,451Contacts tracked

1,405Verified emails

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The 25 largest ad tech consulting firms based in Chicago, United States

Ranked by team size

Top 25 of 117 company matches for ad tech 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	BASIS	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	Affinity Global	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
3	Cramer-Krasselt	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	201-500	299 contacts →
	Exact match “Cramer-Krasselt is one of the largest independent agencies in the US with nearly $50 million revenue, with more than 80% of that revenue coming from digital and social.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Fusion92	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Strike Social	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	Digital Authority Partners	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
7	Envisionit	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
8	Eicoff	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	51-200	65 contacts →
	Exact match “Transform your marketing into a growth engine.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Adtitude Digital	Exact match	Chicago, United StatesHQ recorded Oct 1, 2026	1-10	26 contacts →
	Exact match “A Technology, Data and Digital Marketing Services Provider.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Perfect Search Media	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
11	Fortress	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
12	FOX Associates, INC	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	11-50	18 contacts →
	Exact match “For more than 50 years, Fox Associates, Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Accuen	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
14	Next Click Partners	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	11-50	17 contacts →
	Exact match “We are an advertising technology company based in Chicago.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	DHS Digital	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “DHS Digital is a Chicago-based digital technology agency founded in 2005.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Hippo Media	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	12 contacts →
	Exact match “Hippo Media is a digital media company specializing in video production, content creation, and targeted advertising.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Relish	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	12 contacts →
	Exact match “Relish is part creative agency, part performance marketing consultancy, with a sweet spot for innovative, digitally-native brands.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Simplified Solutions Digital Marketing Agency	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “Simplified Solutions is a Digital Marketing and Technology company located in Chicago, Illinois.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	TEC Direct Media	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	9 contacts →
	Exact match “We just turned 25!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	NAF Digital	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “NAF Digital is a digital media agency and targets accounts across multiple verticals.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Allied Digital Strategies	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “Integrated Search Solutions \| Cross-Platform Social Solutions \| E-Commerce Campaign Solutions Allied Digital Strategies connects agencies and brands with the industry’s leading…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	RED Gobo	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “Red Gobo leverages proprietary search marketing data to pinpoint user interests and intent across CTV, OLV, DOOH and Display.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Skyline Marketing & Consulting	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “In a world full of countlessly complex data points, how do you clear the noise and focus on what’s important?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Varro Media	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “Varro Media is an NMSDC-certified business dedicated to helping brands and agencies reach their full potential through innovative and effective marketing strategies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Digital4startups INC	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “Digital4Startups is a digital marketing consulting firm working with a variety of clients from large fast-growing companies to sole proprietors.” Recorded in the RevenueBase company graph · Oct 1, 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 “ad tech consulting 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 117 ad tech consulting firms based in Chicago, United States

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Ad tech consulting firms based in Chicago, United States at a glance

As of Oct 1, 2026

40.7%Verified-email coverage

29.5Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 117 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 “ad tech 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 1,405 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.

Ad tech 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 “ad tech consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ad tech consulting firms are there based in Chicago, United States?

RevenueBase identified 117 company matches for ad tech 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?

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 ad tech consulting firms?

New York leads the United States with 573 company records, followed by Los Angeles (233) and Miami (172). Chicago has 117.

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 1,405 professional contacts with verified work emails tracked across these 117 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.