Company lists · Data refreshed September 2026

Top 25 Customer insights consulting firms worldwide

Name: Customer insights consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 42,987 companies tracked

RevenueBase identified 42,987 company matches for customer insights consulting firms worldwide as of September 2026 and tracks 520,004 professional contacts across them, including 152,277 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for customer insights consulting firms 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 September 28, 2026. Country and city lists for customer insights consulting firms 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 Sep 28, 2026 How this list was built

42,987Companies

520,004Contacts tracked

152,277Verified emails

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The 25 largest customer insights consulting firms worldwide

Ranked by team size

Top 25 of 42,987 company matches for customer insights consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Nielseniq	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	10001+	25,856 contacts →
	Exact match “NielsenIQ (NIQ) is the world’s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	ZS	Exact match	Evanston, IL, United StatesHQ recorded Sep 28, 2026	10001+	16,896 contacts →
	Exact match “ZS is a management consulting and technology firm that partners with companies to improve life and how we live it.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Kantar	Exact match	London, United KingdomHQ recorded Sep 28, 2026	10001+	15,564 contacts →
	Exact match “Kantar is the world’s leading marketing data and analytics business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	GFK	Exact match	Nuremberg, GermanyHQ recorded Sep 28, 2026	5,001-10,000	10,241 contacts →
	Exact match “Discover growth opportunities in the Consumer Durables sector with NIQ.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Circana	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	5,001-10,000	5,571 contacts →
	Exact match “At Circana, we measure and accelerate demand.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Accenture Strategy & Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	5,001-10,000	5,514 contacts →
	Exact match “Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Strategy	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	5,082 contacts →
	Exact match “From strategy to execution.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Merkle	Exact match	Columbia, MD, United StatesHQ recorded Sep 28, 2026	10001+	4,731 contacts →
	Exact match “Merkle, a dentsu company, powers the experience economy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Eficacia	Exact match	Cali, ColombiaHQ recorded Sep 28, 2026	10001+	4,692 contacts →
	Exact match “Incrementamos la productividad y eficiencia de nuestros clientes- Más de 40 años de experiencia en el mercado- Líderes en Soluciones de Mercadeo, Trade Marketing, Ventas y Gestión…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	BIP	Exact match	Milano, ItalyHQ recorded Sep 28, 2026	5,001-10,000	4,548 contacts →
	Exact match “A network of thinkers, creatives and creators.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	SX Negócios	Exact match	Novo Hamburgo, BrazilHQ recorded Sep 28, 2026	5,001-10,000	4,020 contacts →
	Exact match “Somos a Pulse Client Experts, uma empresa em constante evolução, impulsionados pela vontade de fazer acontecer.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Monitor Deloitte	Exact match	United StatesHQ recorded Sep 28, 2026	5,001-10,000	3,116 contacts →
	Exact match “To navigate the future with confidence, organizations need to make and act upon the right choices: clear, timely and inspirational choices that deliver growth in a dynamic…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Forrester	Exact match	Cambridge, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,071 contacts →
	Exact match “Forrester is one of the most influential research and advisory firms in the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	NRI Group	Exact match	Chiyoda-ku, JapanHQ recorded Sep 28, 2026	10001+	2,979 contacts →
	Exact match “We align our goals with our clients’ goals – a true partnership that ensures shared success.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Simon-Kucher	Exact match	Bonn, GermanyHQ recorded Sep 28, 2026	1,001-5,000	2,873 contacts →
	Exact match “Simon-Kucher is a global consultancy with more than 2,200 employees in 30+ countries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Dunnhumby	Exact match	Brook Green, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,857 contacts →
	Exact match “dunnhumby helps businesses grow through faster, better decision making, as the essential intelligence layer connecting the world’s leading retailers and brands.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Numerator	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,633 contacts →
	Exact match “Numerator is a data and tech company bringing speed and scale to market research.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	TAHTO	Exact match	Goiânia, BrazilHQ recorded Sep 28, 2026	10001+	2,552 contacts →
	Exact match “Com 19 anos de experiência em CX e BPO, somos consultivos e entregamos soluções personalizadas que conectam pessoas e tecnologia para impulsionar seus resultados.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Qintess	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	1,001-5,000	2,347 contacts →
	Exact match “Experts in digital acceleration and business transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Arthur D. Little	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	1,001-5,000	2,186 contacts →
	Exact match “As people, organizations and societies embrace change at pace, its leaders must anticipate, innovate and transform ever faster.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Second To None	Exact match	Ann Arbor, MI, United StatesHQ recorded Sep 28, 2026	n/a	2,101 contacts →
	Exact match “Your customers are human.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Gallup	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,026 contacts →
	Exact match “Gallup delivers analytics and advice to help leaders and organizations solve their most pressing problems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Marketsandmarkets	Exact match	Pune, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,862 contacts →
	Exact match “Founded in 2009, MarketsandMarkets recognized uncharted business potentials within disruptive trends, forecasting a surge of $25 trillion in new B2B revenues by 2030.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	TSA Group - Australia	Exact match	West Perth, AustraliaHQ recorded Sep 28, 2026	1,001-5,000	1,818 contacts →
	Exact match “We’re Australia’s leading specialists in CX consultancy and services.” Recorded in the RevenueBase company graph · Sep 28, 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 “customer insights consulting firms”. 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 42,987 customer insights consulting firms worldwide

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Customer insights consulting firms worldwide at a glance

As of Sep 28, 2026

29.3%Verified-email coverage

12.1Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

31,060

11-50

8,939

51-200

2,118

201-500

482

501-1,000

159

1,001-5,000

107

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 customer insights consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “customer insights consulting firms” 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 152,277 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 September 28, 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.

Customer insights consulting firms by location

191 lists · largest first

Every Customer insights consulting firms 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 “customer insights consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer insights consulting firms are there worldwide?

RevenueBase identified 42,987 company matches for customer insights consulting firms worldwide as of September 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?

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

Which country has the most customer insights consulting firms?

The United States leads with 10,657 companies, followed by the United Kingdom (2,829) and India (2,681). Every customer insights consulting firms list by country and city is linked on this page.

Which city has the most customer insights consulting firms?

London leads with 1320 company records, followed by Sao Paulo (759) and New York (673).

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 152,277 professional contacts with verified work emails tracked across these 42,987 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 September 28, 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.