Company lists · Data refreshed September 2026
Top 25 Email marketing optimization consultants based in Chicago, United States
RevenueBase identified 84 email marketing optimization consultants headquartered in Chicago, United States as of September 2026 and tracks 341 professional contacts across them, including 93 with verified work emails. Across the United States, New York is the largest hub for this category (160 companies); Chicago follows with 84.
This list covers email marketing optimization consultants headquartered in Chicago, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest email marketing optimization consultants based in Chicago, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 45 contacts → | ||||
Partial evidence “Established in 2006, Invesp is the 2nd agency to specialize in conversion rate optimization in North America.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 42 contacts → | ||||
Partial evidence “As a proven expert in digital marketing, EMSC’s unique approach offers our clients a truly responsive and collaborative partnership.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 16 contacts → | ||||
Strong evidence “Matchnode is an ROI-focused internet marketing company that serves its clients in the areas of digital strategy, traffic generation, and conversion optimization.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 16 contacts → | ||||
Partial evidence “Dahaus Digital is an eCommerce marketing firm dedicated to helping brands scale profitably through world-class marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 15 contacts → | ||||
Partial evidence “Jacobs & Clevenger (J&C) is an independently owned, full-service agency founded by Ron Jacobs, co-author of Successful Direct Marketing Methods.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 8 contacts → | ||||
Partial evidence “You’ve worked hard to build your business, and you deserve marketing that works just as hard.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 contacts → | ||||
Indirect evidence “Baltoro provides a mix of campaign management and strategic consulting that is difficult to find.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 contacts → | ||||
Strong evidence “EMM is an email centric marketing data compiler and data services consultant.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 6 contacts → | ||||
Partial evidence “Simple Machines is a marketing firm that provides digital marketing and sales solutions for growing businesses.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 contacts → | ||||
Partial evidence “Digital4Startups is a digital marketing consulting firm working with a variety of clients from large fast-growing companies to sole proprietors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 contacts → | ||||
Partial evidence “Peregrine Consulting Group is a team of marketing experts who help fill in the gaps and empower business owners to scale with development coaching and exceptional marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Strong evidence “We're a boutique consultancy that specializes in lead gen and eCommerce performance marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “Welcome to Continental Database!” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Indirect evidence “At Focus Ten Consulting, we help you Achieve Better.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Strong evidence “Digital Marketing and design studio that specializes in email marketing and marketing automation solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Partial evidence “With over 15 years of proven results and more than forty years of combined B2B and B2C marketing experience, White City Consulting Group is a team of business architects dedicated…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1 contacts → | ||||
Partial evidence “Consulting firm specializing in Lifecycle Marketing and Marketing Automation services for tech companies & early-stage startups.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Strong evidence “Colagrossi Media is a full service email marketing agency focused on ongoing email channel management, strategy, creative design, and technical services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Partial evidence “I guide technology, SaaS, and publishing companies through the integration of data and content strategy & requirements, making customer-centric, data-driven marketing possible.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Partial evidence “A consulting agency helping businesses harness the power of data-driven marketing to achieve remarkable results.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Strong evidence “Marketing consultant with a specialty in strategy, branding and marketing audits” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “As the world continues to go digital, it is increasingly important for businesses to adapt and be present in the digital landscape to remain competitive.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “We’re your external CMO.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Strong evidence “Email Marketing Consultancy // We help you grow, manage, and retain your customers.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “Midan Consulting Group's team specializes in unlocking your business potential with marketing strategy focused on specific, measurable business outcomes, not vanity metrics.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: email marketing optimization consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names email marketing optimization consultants.
- Partial evidence
- Its own public description names part of email marketing optimization consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name email marketing optimization consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 84 email marketing optimization consultants based in Chicago, United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 93 reachable decision-makers.
Free signup · no credit card
Email marketing optimization consultants based in Chicago, United States at a glance
As of Sep 28, 2026Companies by employee count
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 84 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among email marketing optimization consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Chicago, United States whose own description of what they do matches “email marketing optimization consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names email marketing optimization consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among email marketing optimization consultants, and records with no verified work email. Companies headquartered outside Chicago are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 93 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Email marketing optimization consultants by metro in the United States
- Email marketing optimization consultants in New York160
- Email marketing optimization consultants in Los Angeles82
- Email marketing optimization consultants in Miami74
- Email marketing optimization consultants in Austin66
- Email marketing optimization consultants in Dallas57
- Email marketing optimization consultants in Atlanta55
- Email marketing optimization consultants in San Diego53
- Email marketing optimization consultants in San Francisco53
- Email marketing optimization consultants in Boston45
- Email marketing optimization consultants in Denver44
- Email marketing optimization consultants in Sheridan39
- Email marketing optimization consultants in Houston36
- Email marketing optimization consultants in Seattle36
- Email marketing optimization consultants in Orlando34
- Email marketing optimization consultants in Portland34
- Email marketing optimization consultants in Phoenix28
- Email marketing optimization consultants in Charlotte26
- Email marketing optimization consultants in Washington26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names email marketing optimization consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many email marketing optimization consultants are there based in Chicago, United States?
RevenueBase identified 84 email marketing optimization consultants headquartered in Chicago, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Invesp, headquartered in Chicago, tops this list with the largest team on record.
Which city in the United States has the most email marketing optimization consultants?
New York leads the United States with 160 headquartered companies, followed by Chicago (84) and Los Angeles (82).
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 93 verified decision-maker contacts tracked across these 84 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 84 email marketing optimization consultants based in Chicago, United States. Start with a free account, no credit card.
Download this list →Related lists
Email marketing optimization consultants by geography
- Email marketing optimization consultants based in Brisbane, Australia
- Email marketing optimization consultants based in Melbourne, Australia
- Email marketing optimization consultants based in Sydney, Australia
- Email marketing optimization consultants based in Sao Paulo, Brazil
- Email marketing optimization consultants based in Montreal, Canada
- Email marketing optimization consultants based in Toronto, Canada
- Email marketing optimization consultants based in Vancouver, Canada
- Email marketing optimization consultants based in Paris, France
- Email marketing optimization consultants based in Berlin, Germany
- Email marketing optimization consultants based in Hamburg, Germany
- Email marketing optimization consultants based in Bangalore, India
- Email marketing optimization consultants based in Gurgaon, India
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 Smart Search, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Email marketing optimization consultants based in Brisbane, Australia
- Email marketing optimization consultants based in Melbourne, Australia
- Email marketing optimization consultants based in Sydney, Australia
- Email marketing optimization consultants based in Sao Paulo, Brazil
- Email marketing optimization consultants based in Montreal, Canada
- Email marketing optimization consultants based in Toronto, Canada