Company lists · Data refreshed November 2026

Top 24 Lead generation optimization companies based in the United Kingdom

RevenueBase identified 1,529 company matches for lead generation optimization companies associated with the United Kingdom as of November 2026 and tracks 10,278 professional contacts across them, including 2,469 with verified work emails. London is the largest hub.

This list covers company matches for lead generation optimization companies associated with the 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 5, 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 5, 2026 How this list was built
1,529Companies
10,278Contacts tracked
2,469Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest lead generation optimization companies based in the United Kingdom

Ranked by team size
Top 24 of 1,529 company matches for lead generation optimization companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchBrighton, United KingdomHQ recorded Nov 5, 202651-200453 contacts →

Exact match

“We are an award winning multilingual lead generation and market research service provider for B2B publishing, marketing, events and tech companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500428 contacts →

Exact match

“MVF powers growth for our clients by connecting them to potential customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBournemouth, United KingdomHQ recorded Nov 5, 2026201-500293 contacts →

Exact match

“Welcome to Astute.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchReading, United KingdomHQ recorded Nov 5, 202651-200211 contacts →

Exact match

“Quantum Marketing hangs its hat on one simple promise: one agency, one brief, and one measure of success.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchExeter, United KingdomHQ recorded Nov 5, 202651-200120 contacts →

Exact match

“Established in 2016, Air Marketing is a specialist B2B outsourced sales and lead generation partner.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200119 contacts →

Exact match

“Most B2B pipeline problems aren't a volume problem.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBristol, United KingdomHQ recorded Nov 5, 202611-50117 contacts →

Exact match

“Modern is an award-winning B2B Marketing Consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200110 contacts →

Exact match

“GAIN Conversion is the world's leading CRO agency.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 5, 202651-200108 contacts →

Exact match

“More than SDR Outsourcing.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20063 contacts →

Exact match

“Creative Media is a global marketing agency specializing in B2B lead generation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchBristol, United KingdomHQ recorded Nov 5, 202651-20062 contacts →

Exact match

“Most DTC brands are haemorrhaging revenue between the click and the checkout.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCovent Garden, United KingdomHQ recorded Nov 5, 202611-5060 contacts →

Exact match

“Angsana is the UK’s most respected new business development and lead generation agency for Healthcare & Life Sciences, Marketing Services and Technology companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20048 contacts →

Exact match

“We find ourselves in an era of remarkable technological advancement.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5047 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 · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSouthend On Sea, United KingdomHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“Beanstalk is an integrated B2B Telemarketing and Lead Generation agency dedicated to helping our customers win new business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchTavistock, United KingdomHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“We set appointments with your buyers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchManchester, United KingdomHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“Delivering leads at scale to the most trustworthy financial companies nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchHuddersfield, United KingdomHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“Launched in 2008, First4Lawyers has grown to become the UK’s largest multi-award winning, independent legal marketing collective, specialising in lead generation for personal…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchWoking, United KingdomHQ recorded Nov 5, 202651-20039 contacts →

Exact match

“We are an ambitious and agile lead generation business, who exist to genuinely accelerate your growth!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5038 contacts →

Exact match

“We help companies grow with revenue-driven SEO.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchEwell, United KingdomHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“1 Stop Data offers the best of breed Marketing, Lead Generation and Call Centre services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchHarrogate, United KingdomHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“It’s simple.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchCheltenham, United KingdomHQ recorded Nov 5, 202651-20036 contacts →

Exact match

“SEO, PPC, Outreach & Lead Generation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchBradford On Avon, United KingdomHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“IT Focus Telemarketing Ltd is an agency that specialises in working with information technology companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 1,529 lead generation optimization companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,469 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lead generation optimization companies based in the United Kingdom at a glance

As of Nov 5, 2026
24.0%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
34.9%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,118
11-50
324
51-200
61
201-500
12

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,529 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 the United Kingdom whose business descriptions match “lead generation optimization companies” 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 2,469 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 5, 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 optimization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lead generation optimization companies are there based in the United Kingdom?

RevenueBase identified 1,529 company matches for lead generation optimization companies associated with the 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?

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

Which city has the most lead generation optimization companies?

London leads with 534 company records, followed by Manchester (73) and Birmingham (31).

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 2,469 professional contacts with verified work emails tracked across these 1,529 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 5, 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.