Company lists · Data refreshed November 2026

Top 25 B2B marketing services agencies worldwide

Name: B2B marketing services agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 112,607 companies tracked

RevenueBase identified 112,607 company matches for B2B marketing services agencies worldwide as of November 2026 and tracks 813,006 professional contacts across them, including 150,216 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for B2B marketing services agencies worldwide, 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 November 6, 2026. Country and city lists for B2B marketing services agencies follow the table.

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 Nov 6, 2026 How this list was built

112,607Companies

813,006Contacts tracked

150,216Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest B2B marketing services agencies worldwide

Ranked by team size

Top 25 of 112,607 company matches for B2B marketing services agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Selbstständig	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	n/a	14,781 contacts →
	Exact match “Bei Social Group positionieren wir deine Marke, treiben die Bekanntheit voran und generieren Leads und Umsätze durch qualitativ hochwertige Inhalte.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	QUAD	Exact match	Sussex, WI, United StatesHQ recorded Nov 6, 2026	10001+	9,249 contacts →
	Exact match “Quad (NYSE: QUAD) is a global marketing experience company that helps brands make direct consumer connections, from household to in-store to online.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	WPP	Exact match	London, FranceHQ recorded Nov 6, 2026	10001+	6,648 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	MONKS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	6,339 contacts →
	Exact match “Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Zoominfo	Exact match	Vancouver, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,262 contacts →
	Exact match “ZoomInfo (NASDAQ: GTM) is the go-to-market platform that helps businesses find, acquire and grow their customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Xdbs Worldwide	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	3,609 contacts →
	Exact match “At XDBS, we primarily work with media agencies, publishers and marketing companies looking to leverage marketing automation and digital marketing capacity and capability to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	DEPT	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	3,470 contacts →
	Exact match “DEPT® is a Growth Invention company built to help the world’s most ambitious brands grow faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Omnicom	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	2,762 contacts →
	Exact match “Omnicom is the world’s leading marketing and sales company, built for intelligent growth in the next era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Best Version Media	Exact match	Brookfield, WI, United StatesHQ recorded Nov 6, 2026	n/a	2,470 contacts →
	Exact match “Best Version Media simplifies local marketing by offering small and midsize businesses a complete mix of solutions to keep them top-of-mind, from community magazine ads to digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Marketizon	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	1,989 contacts →
	Exact match “Marketizon is the leader in developing innovative, multi-channel marketing technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Webhelp Enterprise	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	1,824 contacts →
	Exact match “The Concentrix B2B sales practice is here to design, build and run projects for our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Constant Contact	Exact match	Waltham, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,716 contacts →
	Exact match “We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Power Digital Marketing	Exact match	San Diego, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,635 contacts →
	Exact match “Power Digital is a growth marketing firm fueled by technology and driven by a talented team of consultative marketers, creatives, analysts and technologists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Localiq	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,550 contacts →
	Exact match “Grow your business with digital marketing powered by AI and local expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	BDS Connected Solutions, LLC	Exact match	Lake Forest, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,450 contacts →
	Exact match “BDS Connected Solutions offers a complete suite of solutions that blend Advocacy, Assisted Sales, Training, Virtual, Retail, Experiential, Merchandising, Break Fix, Installations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Intuit Mailchimp	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,430 contacts →
	Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Credico	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	n/a	1,376 contacts →
	Exact match “Credico is the world's leading face-to-face customer acquisition agency, helping our clients attract and retain loyal customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Dialog Direct	Exact match	Highland Park, TX, United StatesHQ recorded Nov 6, 2026	10001+	1,265 contacts →
	Exact match “Dialog Direct helps brands manage and personalize their multichannel, multi-touch customer journeys using data-driven marketing and customer engagement solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Scorpion	Exact match	Draper, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	1,186 contacts →
	Exact match “Scorpion is the leader in helping local businesses succeed by focusing on what truly matters-driving revenue.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Demandscience	Exact match	Boston, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,108 contacts →
	Exact match “With proprietary data and omni-channel activation like events, content, programmatic and chat, we cut through the noise to reach entire buyer groups, driving engagement and impact…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	2x	Exact match	Malvern, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,103 contacts →
	Exact match “2X is the global leader in B2B marketing-as-a-service (MaaS), a subscription-based alternative to traditional B2B marketing delivery models.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Quadcubes	Exact match	Kozhikode, IndiaHQ recorded Nov 6, 2026	n/a	1,056 contacts →
	Exact match “We're not that yet another, ordinary marketing agency!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Madison World	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,022 contacts →
	Exact match “Madison World, for the last 36 years has been helping clients solve their marketing challenges and generate sustainable profits.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Machbizz Marketers PVT LTD	Exact match	Pune, DE, IndiaHQ recorded Nov 6, 2026	501-1,000	1,009 contacts →
	Exact match “MachBizz is a mission itself with a strong urge to accomplish its vision of B2B Digital Marketing and lead generation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Archway Marketing Services	Exact match	Maple Grove, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	988 contacts →
	Exact match “Archway is the preferred partner in marketing execution for well-known brands.” Recorded in the RevenueBase company graph · Nov 6, 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 “B2B marketing services agencies”. 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 112,607 B2B marketing services agencies worldwide

See the full list, filter by size, metro and specialty, and access 150,216 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

B2B marketing services agencies worldwide at a glance

As of Nov 6, 2026

18.5%Verified-email coverage

7.2Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

78,338

11-50

27,757

51-200

4,667

201-500

1,039

501-1,000

263

1,001-5,000

150

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for B2B marketing services agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “B2B marketing services agencies” 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. 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 150,216 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 November 6, 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.

B2B marketing services agencies by location

442 lists · largest first

Every B2B marketing services agencies 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 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 “B2B marketing services agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many B2B marketing services agencies are there worldwide?

RevenueBase identified 112,607 company matches for B2B marketing services agencies worldwide as of November 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?

Selbstständig tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most B2B marketing services agencies?

The United States leads with 27,934 companies, followed by India (10,792) and the United Kingdom (7,174). Every B2B marketing services agencies list by country and city is linked on this page.

Which city has the most B2B marketing services agencies?

London leads with 2211 company records, followed by New York (1229) and Sao Paulo (1168).

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 150,216 professional contacts with verified work emails tracked across these 112,607 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 112,607 B2B marketing services agencies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.