Company lists · Data refreshed September 2026

Top 25 Digital marketing consultancies worldwide

RevenueBase identified 142,520 digital marketing consultancies worldwide as of September 2026 and tracks 796,902 professional contacts across them, including 194,712 with verified work emails and 120,560 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers digital marketing consultancies worldwide, 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 27, 2026. Country and city lists for digital marketing consultancies follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
142,520Companies
796,902Contacts tracked
194,712Verified emails
120,560Mobile numbers
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The 25 largest digital marketing consultancies worldwide

Ranked by team size
Top 25 of 142,520 digital marketing consultancies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to digital marketing consultancies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMelbourne, AustraliaHQ checked Sep 27, 2026n/a6,896 contacts →

Indirect evidence

“The way people search is changing.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceCampinas, BrazilHQ checked Sep 27, 20261,001-5,0005,079 contacts →

Partial evidence

“Somos uma assessoria de marketing focada em construir e otimizar o processo de vendas através da internet conectando pessoas que geram resultados com empresas que buscam vender…”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidenceChicago, IL, United StatesHQ checked Sep 27, 2026n/a4,751 contacts →

Indirect evidence

“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceColumbia, MD, United StatesHQ checked Sep 27, 202610001+4,731 contacts →

Indirect evidence

“Merkle, a dentsu company, powers the experience economy.”

Source: RevenueBase Database · checked Sep 27, 2026
5Strong evidenceCedar Rapids, IA, United StatesHQ checked Sep 27, 20261,001-5,0004,426 contacts →

Strong evidence

“Hibu is a leading provider of technology-driven, integrated digital marketing solutions for America’s local businesses, trusted by tens of thousands of local business owners.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 27, 20261,001-5,0003,702 contacts →

Indirect evidence

“DEPT® is a Growth Invention company built to help the world’s most ambitious brands grow faster.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceHerentals, BelgiumHQ checked Sep 27, 20261,001-5,0003,670 contacts →

Partial evidence

“iO is an AI-native partner in marketing and technology, with experts across 12 campuses in Belgium, the Netherlands, Sweden, Denmark and Bulgaria.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceNew York, NY, United StatesHQ checked Sep 27, 20265,001-10,0002,860 contacts →

Partial evidence

“KINESSO is the technology-driven performance marketing agency within Omnicom Media that provides actionable growth for both agency partners and clients.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261,001-5,0002,654 contacts →

Partial evidence

“Digitas is the Networked Experience Agency, built on the vision that we create magnetic experiences that earn the right for brands to exist in human networks.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceLondon, United KingdomHQ checked Sep 27, 20265,001-10,0002,366 contacts →

Partial evidence

“iProspect, a dentsu company, is a leading global digital-first media agency.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceSão Paulo, BrazilHQ checked Sep 27, 20261,001-5,0002,347 contacts →

Partial evidence

“Experts in digital acceleration and business transformation.”

Source: RevenueBase Database · checked Sep 27, 2026
12Strong evidenceNew York, NY, United StatesHQ checked Sep 27, 2026n/a1,972 contacts →

Strong evidence

“Founded in 2007, OMI set out to educate marketers on the known truths and best practices of digital marketing.”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceAddison, TX, United StatesHQ checked Sep 27, 20261,001-5,0001,842 contacts →

Partial evidence

“Credera empowers the world’s leading brands to navigate the complexities of data, technology, and marketing.”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceNew York, NY, United StatesHQ checked Sep 27, 20261,001-5,0001,763 contacts →

Indirect evidence

“Hi there!”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceWestport, CT, United StatesHQ checked Sep 27, 2026n/a1,650 contacts →

Partial evidence

“MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.”

Source: RevenueBase Database · checked Sep 27, 2026
16Strong evidenceWaltham, MA, United StatesHQ checked Sep 27, 20261,001-5,0001,611 contacts →

Strong evidence

“We deliver for small businesses with powerful tools to simplify and amplify digital marketing.”

Source: RevenueBase Database · checked Sep 27, 2026
17Strong evidenceSan Diego, CA, United StatesHQ checked Sep 27, 2026501-1,0001,570 contacts →

Strong evidence

“Power Digital is a growth marketing firm fueled by technology and driven by a talented team of consultative marketers, creatives, analysts and technologists.”

Source: RevenueBase Database · checked Sep 27, 2026
18Strong evidenceNew York, NY, United StatesHQ checked Sep 27, 20261,001-5,0001,534 contacts →

Strong evidence

“Grow your business with digital marketing powered by AI and local expertise.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceMountain View, CA, United StatesHQ checked Sep 27, 20261,001-5,0001,506 contacts →

Partial evidence

“Grazitti Interactive is a digital innovation leader with offices in India, USA, Australia, and Singapore.”

Source: RevenueBase Database · checked Sep 27, 2026
20Strong evidenceReading, United KingdomHQ checked Sep 27, 2026501-1,0001,284 contacts →

Strong evidence

“Since 1966, we’ve been helping UK businesses grow – from printed ads in the Yellow Pages to powerful, AI-driven digital marketing that delivers real results.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceParis La Défense, FranceHQ checked Sep 27, 202610001+1,270 contacts →

Indirect evidence

“Le numérique est une opportunité pour tous mais chaque secteur d’activité doit l’appréhender de manière unique.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceDraper, UT, United StatesHQ checked Sep 27, 2026501-1,0001,076 contacts →

Indirect evidence

“Scorpion is the leader in helping local businesses succeed by focusing on what truly matters-driving revenue.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 27, 20261,001-5,0001,063 contacts →

Indirect evidence

“Super-powered customer acquisition.”

Source: RevenueBase Database · checked Sep 27, 2026
24Strong evidenceEtobicoke, ON, CanadaHQ checked Sep 27, 20261,001-5,000986 contacts →

Strong evidence

“WSI is a global digital marketing and AI consulting network with 30 years of experience helping businesses grow and adapt.”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceSão Paulo, BrazilHQ checked Sep 27, 20261,001-5,000963 contacts →

Partial evidence

“Media.Monks, the digital-first operating brand of S4Capital plc, connects content, data & digital media and technology services across one global team built from the bottom up.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 142,520 digital marketing consultancies worldwide

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Digital marketing consultancies worldwide at a glance

As of Sep 27, 2026
24.4%Verified-email coverage
15.1%Mobile-number coverage
5.6Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
112,552
11-50
25,501
51-200
3,351
201-500
564
501-1,000
151
1,001-5,000
98
5,001-10,000
28
10001+
42

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 digital marketing consultancies, 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.
Coverage
45 countries, largest first: the United States, the United Kingdom, Brazil, Canada, France, Australia, Spain, Germany, Italy, the Netherlands and 35 more. Country and city lists for digital marketing consultancies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “digital marketing consultancies”. 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 digital marketing consultancies), 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 digital marketing consultancies, and records with no verified work email.
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, 194,712 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 27, 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.

Digital marketing consultancies by location

582 lists · largest first

Every Digital marketing consultancies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 digital marketing consultancies, 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 digital marketing consultancies are there worldwide?

RevenueBase identified 142,520 digital marketing consultancies worldwide 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?

SEO, headquartered in Melbourne, tops this list with the largest team on record.

Which country has the most digital marketing consultancies?

The United States leads with 48,701 companies, followed by the United Kingdom (14,833) and Brazil (13,617). Every digital marketing consultancies list by country and city is linked on this page.

Which city has the most digital marketing consultancies?

London leads with 4766 headquartered companies, followed by Sao Paulo (2888) and New York (2139).

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 194,712 verified decision-maker contacts tracked across these 142,520 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 27, 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 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.