Company lists · Data refreshed September 2026

Top 23 Lead generation databases based in London, United Kingdom

RevenueBase identified 111 company matches for lead generation databases associated with London, United Kingdom as of September 2026 and tracks 1,099 professional contacts across them, including 493 with verified work emails and 77 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for lead generation databases 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 September 12, 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 Sep 12, 2026 How this list was built
111Companies
1,099Contacts tracked
493Verified emails
77Mobile numbers
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The 23 largest lead generation databases based in London, United Kingdom

Ranked by team size
Top 23 of 111 company matches for lead generation databases based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 12, 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 Sep 12, 2026201-500530 contacts →

Exact match

“Cognism provides accurate, compliant-first B2B data and sales intelligence for teams growing across Europe and beyond.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 12, 202651-20085 contacts →

Exact match

“We're an award-winning CRM agency who specialise in knitting together complex and disparate data to create a powerful single customer view that can deliver significant returns to…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-5042 contacts →

Exact match

“Ei Advisory provides B2B sales and marketing intelligence that helps companies reach, engage and convert customers.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-5033 contacts →

Exact match

“AI Lead Generator.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-1017 contacts →

Exact match

“Our mission is to empower businesses across various sectors, locally and globally, by delivering innovative performance driven lead generation solutions.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-5013 contacts →

Exact match

“Salesflow is a simple and effective lead-generation platform that enables Sales Teams, Agencies and growing SMBs to generate quality leads fast.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 12, 202651-20011 contacts →

Exact match

“Welcome to Callent Tech, The Future of B2B Demand Generation.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-107 contacts →

Exact match

“PinLocal is the largest online lead generation business for high quality customer leads in the home moving and legal sectors.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-507 contacts →

Exact match

“Neptik is a highly effective, cost efficient, B2B lead generation specialist.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-107 contacts →

Exact match

“Cutting-edge technology.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-105 contacts →

Exact match

“Allround Lead Generation agency specialised in Tech Start Ups and IT Whether you're looking for Sales or Marketing solutions, Online or phone marketing to grow your business, look…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-104 contacts →

Exact match

“We provide a variety of services that range from lead generation to digital marketing activities.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-503 contacts →

Exact match

“Intentify Demand is a provider of demand and lead generation services, specialising in B2B sectors such as SaaS, IT technology, FinTech, Martech and HR Tech.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-103 contacts →

Exact match

“Lead Generation, Data Enhancement, Data Cleansing, List Rental, Landline Data, Mobile & SMS Data, Postal Data, Business Data, Consumer Data”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-103 contacts →

Exact match

“NEG Media Consulting provides lead generation services for a wide range of companies willing to optimize their sales, acquire new members at a global level or build their own…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-102 contacts →

Exact match

“Here at 247PPL, we have a team of experts from the field of marketing, technology, sales, and business development.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 12, 202651-2002 contacts →

Exact match

“At Leads Bank, we specialize in providing top-tier lead generation services across multiple industries, focusing on quality, precision, and results.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-102 contacts →

Exact match

“Integra are data experts that provide bespoke data solutions to help you understand and reach the right customers at the right time.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-101 contacts →

Exact match

“Grow your business through Lead generation and customer relationship management of new or your existing client base.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-101 contacts →

Exact match

“Getting businesses in touch with CEOs, decision makers, or whoever they need to reach that has the problem they solve.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-101 contacts →

Exact match

“Our highly experienced teams have years of experience in B2B lead generation operating across a wide range of sectors.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-101 contacts →

Exact match

“As you are in the mortgage or debt consolidation Industry, here is a no-risk offer from 80/20 Leads Good quality leads are the life-blood of any company.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-101 contacts →

Exact match

“All-in-one lead generation services Leadhunter builds the best lead generation systems for startups.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase

Showing 23 of 111 lead generation databases based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 493 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lead generation databases based in London, United Kingdom at a glance

As of Sep 12, 2026
44.9%Verified-email coverage
7.0%Mobile-number coverage
9.9Average contacts per company
1-10Median size (employees)
Sep 12, 2026Page data refreshed

Companies by employee count

1-10
74
11-50
28
51-200
6
201-500
2
501-1,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 15.0d

Company record updated

Median 62.0d

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 “lead generation databases” 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 493 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 12, 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 “lead generation databases”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lead generation databases are there based in London, United Kingdom?

RevenueBase identified 111 company matches for lead generation databases associated with London, United Kingdom 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?

Cognism 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 lead generation databases?

London leads the United Kingdom with 99 company records, followed by Manchester (18) and Birmingham (4).

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 493 professional contacts with verified work emails tracked across these 111 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 12, 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.