Company lists · Data refreshed November 2026

Top 25 Marketing roi optimization agencies worldwide

Name: Marketing roi optimization agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 44,323 companies tracked

RevenueBase identified 44,323 company matches for marketing roi optimization agencies worldwide as of November 2026 and tracks 308,215 professional contacts across them, including 70,651 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for marketing roi optimization 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 marketing roi optimization 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

44,323Companies

308,215Contacts tracked

70,651Verified emails

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The 25 largest marketing roi optimization agencies worldwide

Ranked by team size

Top 25 of 44,323 company matches for marketing roi optimization 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	Kantar	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	16,459 contacts →
	Exact match “Kantar is the world’s leading marketing data and analytics business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	V4 Company	Exact match	Campinas, BrazilHQ recorded Nov 6, 2026	1,001-5,000	5,047 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Kinesso	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,407 contacts →
	Exact match “KINESSO is the technology-driven performance marketing agency within Omnicom Media that provides actionable growth for both agency partners and clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Appsflyer	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,583 contacts →
	Exact match “AppsFlyer is the Modern Marketing Cloud that helps businesses transform complex data into clarity and growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Brainlabs	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,066 contacts →
	Exact match “Brainlabs is an independent, AI-native media agency built to grow client revenue and prove the impact of every dollar spent on media.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	MMA Marketing Management Analytics	Exact match	Norwalk, NY, United StatesHQ recorded Nov 6, 2026	201-500	1,045 contacts →
	Exact match “Ipsos MMA is committed to enabling our clients to achieve significant brand and marketplace advantages by synergistically leveraging unified marketing & commercial measurement and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	SEM	Exact match	Sariyer, TürkiyeHQ recorded Nov 6, 2026	n/a	930 contacts →
	Exact match “SEM is a global new generation consumer marketing and technologies brand where we combine growth consultancy, advanced analytics, digital marketing and technology services under…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Logical Position	Exact match	Lake Oswego, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	907 contacts →
	Exact match “Logical Position (LP) is an Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	WEBFX	Exact match	Harrisburg, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	906 contacts →
	Exact match “We're here to be your digital marketing growth partner in the AI era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	NP Digital	Exact match	San Diego, United StatesHQ recorded Nov 6, 2026	1,001-5,000	897 contacts →
	Exact match “Neil Patel has been recognized by the Wall Street Journal, Forbes, and the United Nations, to name a few, as one of the most influential and successful marketers and entrepreneurs…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	SEO INC	Exact match	Carlsbad, CA, United StatesHQ recorded Nov 6, 2026	n/a	838 contacts →
	Exact match “Since its inception in 1997, SEO Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Performics India	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	682 contacts →
	Exact match “Performics is India's largest performance marketing agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Ebiquity PLC	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	651 contacts →
	Exact match “Ebiquity is the independent authority in Marketing Effectiveness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Wildnet Technologies	Exact match	New York, United StatesHQ recorded Nov 6, 2026	201-500	639 contacts →
	Exact match “Wildnet Technologies - Best Digital Marketing Agency \| White Label Services for Growing Agencies \| Results-Driven AI SEO Services We don't just run campaigns-we build growth…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Mediaradar, INC	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	633 contacts →
	Exact match “MediaRadar equips marketing, sales and analytics leaders with the intelligence they need to stay ahead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Ovative Group	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	501-1,000	614 contacts →
	Exact match “Ovative Group is an independent, full-funnel media, measurement, and creative firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Techmagnate	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	201-500	577 contacts →
	Exact match “Techmagnate is a leading, award-winning digital marketing agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Precis	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	201-500	571 contacts →
	Exact match “Precis is a modern, tech-powered digital marketing agency specialising in media buying, analytics, creative, and proprietary technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Smart Solutions	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	564 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Iquanti	Exact match	Jersey City, NJ, United StatesHQ recorded Nov 6, 2026	501-1,000	553 contacts →
	Exact match “iQuanti was founded to deliver on the promise of high-performance digital marketing, combining deep analytics, proprietary technology, and a results-driven approach.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Marketcast	Exact match	Culver City, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	548 contacts →
	Exact match “MarketCast measures what moves people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Good Apple	Exact match	New York, United StatesHQ recorded Nov 6, 2026	51-200	541 contacts →
	Exact match “good apple builds smarter strategies that drive real impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Hiveminds	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	201-500	525 contacts →
	Exact match “We are HiveMinds, a unit of Madison World.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Amsive	Exact match	New York, MS, United StatesHQ recorded Nov 6, 2026	501-1,000	521 contacts →
	Exact match “Amsive is a data-driven performance marketing agency that enhances marketing ROI through innovative customer acquisition and engagement solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Sg360	Exact match	Wheeling, IL, United StatesHQ recorded Nov 6, 2026	501-1,000	491 contacts →
	Exact match “sg360° can help you identify and connect with your best prospects 1:1, both offline and on.” 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 “marketing roi optimization 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 44,323 marketing roi optimization agencies worldwide

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Marketing roi optimization agencies worldwide at a glance

As of Nov 6, 2026

22.9%Verified-email coverage

7.0Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

30,296

11-50

11,644

51-200

1,799

201-500

326

501-1,000

1,001-5,000

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 marketing roi optimization agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “marketing roi optimization 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 70,651 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.

Marketing roi optimization agencies by location

210 lists · largest first

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

How many marketing roi optimization agencies are there worldwide?

RevenueBase identified 44,323 company matches for marketing roi optimization 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?

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

Which country has the most marketing roi optimization agencies?

The United States leads with 9,381 companies, followed by India (7,356) and the United Kingdom (2,502). Every marketing roi optimization agencies list by country and city is linked on this page.

Which city has the most marketing roi optimization agencies?

London leads with 883 company records, followed by New Delhi (581) and New York (471).

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 70,651 professional contacts with verified work emails tracked across these 44,323 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.

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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.