Company lists · Data refreshed September 2026

Top 25 Buyer persona agencies worldwide

RevenueBase identified 8,405 buyer persona agencies worldwide as of September 2026 and tracks 97,664 professional contacts across them, including 26,623 with verified work emails. India is the largest market and London the largest hub.

This list covers buyer persona agencies 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 30, 2026. Country and city lists for buyer persona agencies 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 30, 2026 86% judged on-target in blind review
8,405Companies
97,664Contacts tracked
26,623Verified emails
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The 25 largest buyer persona agencies worldwide

Ranked by team size
Top 25 of 8,405 buyer persona agencies worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to buyer persona agencies: 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 evidenceLondon, United KingdomHQ checked Sep 30, 202610001+15,564 contacts →

Indirect evidence

“Kantar is the world’s leading marketing data and analytics business.”

Source: RevenueBase Database · checked Sep 30, 2026
2Indirect evidenceCambridge, MA, United StatesHQ checked Sep 30, 20261,001-5,0003,071 contacts →

Indirect evidence

“Forrester is one of the most influential research and advisory firms in the world.”

Source: RevenueBase Database · checked Sep 30, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 30, 20261,001-5,0001,475 contacts →

Indirect evidence

“At Mintel, we empower businesses to navigate the future with confidence.”

Source: RevenueBase Database · checked Sep 30, 2026
4Indirect evidenceLivonia, MI, United StatesHQ checked Sep 30, 20261,001-5,0001,155 contacts →

Indirect evidence

“Welcome to Escalent.”

Source: RevenueBase Database · checked Sep 30, 2026
5Indirect evidenceIselin, NJ, United StatesHQ checked Sep 30, 20261,001-5,000795 contacts →

Indirect evidence

“Today’s markets demand new research methods.”

Source: RevenueBase Database · checked Sep 30, 2026
6Indirect evidenceBucharest, RomaniaHQ checked Sep 30, 20261,001-5,000694 contacts →

Indirect evidence

“In our world of rapid change, the need for reliable information to make confident decisions has never been greater.”

Source: RevenueBase Database · checked Sep 30, 2026
7Indirect evidenceNavi Mumbai, IndiaHQ checked Sep 30, 2026501-1,000685 contacts →

Indirect evidence

“Cheers Interactive is a specialised custom research, analytics and sales & marketing solutions company.”

Source: RevenueBase Database · checked Sep 30, 2026
8Indirect evidenceNew Delhi, IndiaHQ checked Sep 30, 2026501-1,000664 contacts →

Indirect evidence

“At Market Xcel, we're dedicated to delivering high-quality results for our clients.”

Source: RevenueBase Database · checked Sep 30, 2026
9Indirect evidenceLondon, United KingdomHQ checked Sep 30, 2026501-1,000651 contacts →

Indirect evidence

“Infiniti Research is a leading provider of market intelligence and customer intelligence solutions with 20+ years’ experience spanning across 20+ industries.”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceAmsterdam, MexicoHQ checked Sep 30, 202610001+641 contacts →

Indirect evidence

“NIQ BASES is Success, Elevated.”

Source: RevenueBase Database · checked Sep 30, 2026
11Indirect evidenceGurgaon, IndiaHQ checked Sep 30, 202651-200546 contacts →

Indirect evidence

“HBG is a market intelligence firm offering insightful, validated & high quality qualitative & quantitative research data solutions to clients across the globe.”

Source: RevenueBase Database · checked Sep 30, 2026
12Indirect evidenceHyderabad, IndiaHQ checked Sep 30, 2026201-500511 contacts →

Indirect evidence

“IndustryARC™ was started by a group of young, passionate professionals along with extensively experienced industry veterans across various business segments and focused expertise…”

Source: RevenueBase Database · checked Sep 30, 2026
13Indirect evidenceWilmington, DE, United StatesHQ checked Sep 30, 2026501-1,000508 contacts →

Indirect evidence

“Driven by innovation and value addition approach, Allied Market Research is instrumental in market research and business consulting across various industry verticals since its…”

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 30, 2026501-1,000464 contacts →

Indirect evidence

“Savanta is a fast-growing data, market research and advisory company.”

Source: RevenueBase Database · checked Sep 30, 2026
15Indirect evidenceParis, United StatesHQ checked Sep 30, 2026201-500464 contacts →

Indirect evidence

“fifty-five was founded in 2010 by former Google executives who understood and anticipated the potential of data in brands’ marketing strategies.”

Source: RevenueBase Database · checked Sep 30, 2026
16Indirect evidenceClichy, FranceHQ checked Sep 30, 2026n/a416 contacts →

Indirect evidence

“June marketing est une agence marketing multi-expertises à forte culture « consumer-centric », issue de la fusion de MSM, Cubes et New Moon.”

Source: RevenueBase Database · checked Sep 30, 2026
17Indirect evidenceArlington, VA, United StatesHQ checked Sep 30, 2026201-500405 contacts →

Indirect evidence

“Hanover is a leading provider of research and analytics for thousands of organizations worldwide.”

Source: RevenueBase Database · checked Sep 30, 2026
18Indirect evidenceKowloon, Hong KongHQ checked Sep 30, 2026501-1,000404 contacts →

Indirect evidence

“INJ Partners is a leading provider of end-to-end market research solutions, helping businesses navigate complex market landscapes with data-driven insights that drive real impact.”

Source: RevenueBase Database · checked Sep 30, 2026
19Indirect evidenceMumbai, IndiaHQ checked Sep 30, 2026201-500335 contacts →

Indirect evidence

“Brandscapes leverages the power of advanced data science tools and the practical marketing and communication planning expertise to distill actionable marketing insights.”

Source: RevenueBase Database · checked Sep 30, 2026
20Indirect evidenceMontreal, QC, CanadaHQ checked Sep 30, 2026501-1,000334 contacts →

Indirect evidence

“At Leger, we give people a voice and empower our clients to make better decisions in a constantly changing world.”

Source: RevenueBase Database · checked Sep 30, 2026
21Indirect evidenceGuayaquil, EcuadorHQ checked Sep 30, 2026201-500323 contacts →

Indirect evidence

“En Grupo Lucky llevamos más de treinta años ayudando a empresas líderes a anticiparse al mañana y a tomar las decisiones más relevantes sobre su perfomance en canales comerciales…”

Source: RevenueBase Database · checked Sep 30, 2026
22Indirect evidenceBoston, MA, United StatesHQ checked Sep 30, 2026501-1,000316 contacts →

Indirect evidence

“Welcome to C Space.”

Source: RevenueBase Database · checked Sep 30, 2026
23Indirect evidenceNew York, NY, United StatesHQ checked Sep 30, 202651-200312 contacts →

Indirect evidence

“NewtonX is the only B2B research intelligence platform that delivers AI-speed insights with data you can trace.”

Source: RevenueBase Database · checked Sep 30, 2026
24Indirect evidenceToronto, ON, CanadaHQ checked Sep 30, 2026201-500307 contacts →

Indirect evidence

“At Environics Analytics (EA), we take pride in our reputation for producing the best data products and software in the industry.”

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceToronto, ON, CanadaHQ checked Sep 30, 2026201-500305 contacts →

Indirect evidence

“Dig Insights is a tech-enabled insights company that helps brands envision the future and prove its potential.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 8,405 buyer persona agencies worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 26,623 reachable decision-makers.

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Buyer persona agencies worldwide at a glance

As of Sep 30, 2026
27.3%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · London
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
5,505
11-50
2,133
51-200
569
201-500
134
501-1,000
31
1,001-5,000
17
5,001-10,000
5
10001+
9

Email recency is reported on each country list linked below.

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 buyer persona agencies, 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
Every country. Country and city lists for buyer persona agencies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “buyer persona agencies”. 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 buyer persona agencies), 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 buyer persona agencies, 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, 26,623 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 30, 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.

Buyer persona agencies by location

64 lists · largest first

Every Buyer persona 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 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 buyer persona agencies, 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 buyer persona agencies are there worldwide?

RevenueBase identified 8,405 buyer persona agencies 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?

Kantar, headquartered in London, tops this list with the largest team on record.

Which country has the most buyer persona agencies?

India leads with 786 companies, followed by the United Kingdom (484) and Brazil (363). Every buyer persona agencies list by country and city is linked on this page.

Which city has the most buyer persona agencies?

London leads with 212 headquartered companies, followed by New York (167) and Sao Paulo (149).

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 26,623 verified decision-maker contacts tracked across these 8,405 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 30, 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.