Company lists · Data refreshed November 2026

Top 21 Data collection services based in London, United Kingdom

RevenueBase identified 37 company matches for data collection services associated with London, United Kingdom as of November 2026 and tracks 724 professional contacts across them, including 293 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for data collection services associated with London, United Kingdom, 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.

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
37Companies
724Contacts tracked
293Verified emails
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The 21 largest data collection services based in London, United Kingdom

Ranked by team size
Top 21 of 37 company matches for data collection services based in London, United Kingdom, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200178 contacts →

Exact match

“At Walr, we’re not just a data collection partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5082 contacts →

Exact match

“At Yonder Data Solutions, our purpose is in our name.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“Perspective is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“We’re an award-winning digital market research agency helping clients make fast, confident decisions with high-quality data they can trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Shepper provides cost-effective, high-quality insights that empower businesses to make better decisions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Teamvisory is a global full-service market research and data collection company offering quantitative and qualitative research solutions across international markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Operations Built for Custom Recruitment/Interviewing!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“At Qrowdsy, we help the world's leading companies to access hard-to-reach data insights from niche industry experts and consumer groups using bespoke, tailor-made surveys and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“As an established, experienced and fully accredited data collection and analysis agency, Rigour’s purpose is to provide a comprehensive, reliable and bespoke service that enables…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Our mission is simple: make research straightforward.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Alligator is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-108 contacts →

Exact match

“MMarket Solutions is a full range provider of fieldwork services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Calico is a different type of market research agency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-106 contacts →

Exact match

“D&T Operations: complex tabulations, data know-how, automation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“We create high-quality online surveys and collect data for you to fuel your insight and drive strategies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Established in 2002, we are online quantitative survey and data collection specialists for marketing research and marketing professionals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-502 contacts →

Exact match

“RED has been set up to make the Quadrangle Group’s data collection expertise available to research professionals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“SMART Outsourcing & Consultancy (SOC) is a London-based market research outsourcing specialist with over 10 years of experience supporting research agencies and enterprise…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“At Q Research London, we believe that your consumers should be at the centre of all your core business decisions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a2 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Perfect Ingenuity has over 20 years of consumer data and direct marketing experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 21 of 37 data collection services based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 293 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data collection services based in London, United Kingdom at a glance

As of Nov 6, 2026
40.5%Verified-email coverage
19.6Average contacts per company
11-50Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
19
51-200
3
201-500
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 37 companies.

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.
What qualifies
Company records associated with London, United Kingdom whose business descriptions match “data collection services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 293 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.

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 “data collection services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data collection services are there based in London, United Kingdom?

RevenueBase identified 37 company matches for data collection services associated with London, United Kingdom 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?

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

Which city in the United Kingdom has the most data collection services?

London leads the United Kingdom with 37 company records, followed by Nottingham (3) and Belfast (2).

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 293 professional contacts with verified work emails tracked across these 37 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.