Company lists · Data refreshed September 2026

Top 25 Lead generation software developers based in the United Kingdom

Name: Lead generation software developers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 580 companies tracked

RevenueBase identified 580 company matches for lead generation software developers associated with the United Kingdom as of September 2026 and tracks 3,311 professional contacts across them, including 633 with verified work emails. London is the largest hub.

This list covers company matches for lead generation software developers 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 September 28, 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 28, 2026 How this list was built

580Companies

3,311Contacts tracked

633Verified emails

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The 25 largest lead generation software developers based in the United Kingdom

Ranked by team size

Top 25 of 580 company matches for lead generation software developers based in the United Kingdom, 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	Algominds	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	358 contacts →
	Exact match “At Algominds, we build AI agents that find you customers who already want to buy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Interlink	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	185 contacts →
	Exact match “We help our clients supercharge their sales.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Salesar	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	59 contacts →
	Exact match “Looking to fill your calendar with qualified calls?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Optimiser	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	57 contacts →
	Exact match “Optimiser is a fully configurable business intelligence ecosystem that helps organisations manage relationships, operations, workflows, communications, and commercial activities…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Capsule	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	11-50	55 contacts →
	Exact match “Capsule was launched in 2009 following the founders' frustration with existing CRM services that were either overly simplistic or far too complex for most businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Homeflow	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	43 contacts →
	Exact match “Homeflow helps UK estate agents to generate and manage valuation leads, providing beautiful and high performing websites, lead management software, and other lead generation…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Skylead	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “What is Skylead?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Converta	Exact match	Harrogate, United KingdomHQ recorded Sep 28, 2026	11-50	38 contacts →
	Exact match “It’s simple.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Think Pipeline LTD	Exact match	Woking, United KingdomHQ recorded Sep 28, 2026	51-200	38 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 · Sep 28, 2026 · View company records in RevenueBase
10	FLG	Exact match	Padiham, United KingdomHQ recorded Sep 28, 2026	n/a	36 contacts →
	Exact match “The biggest problem with most CRMs They’re complicated.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Leadly	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	51-200	35 contacts →
	Exact match “Delivering leads at scale to the most trustworthy financial companies nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	KULAR	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “AI Lead Generator.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	leadseveryday.co.uk	Exact match	Fareham, United KingdomHQ recorded Sep 28, 2026	51-200	32 contacts →
	Exact match “LeadsEveryday delivers exclusive, high-quality daily leads for UK trades and small service businesses via tailored PPC, Bing, Meta and custom landing pages.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Watts Marketing LTD	Exact match	Norwich, United KingdomHQ recorded Sep 28, 2026	51-200	30 contacts →
	Exact match “Watts Marketing is the largest exclusive lead generation company in the UK, located in Norwich.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	WEB Alliance Limited	Exact match	Northampton, United KingdomHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “Are you still using Cumbersome Excel Spreadsheets to manually track your leads, customers and invoices?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	XSELL	Exact match	Antrim, United KingdomHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “Xsell is a global B2B Digital Marketing & Lead Generation Company, specialising in the Information Technology, IT Security & Software Sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Concep	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “We live and breathe relationship marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Recruitment Revenue	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	26 contacts →
	Exact match “Recruitment Revenue is a lead generation partner built exclusively for recruitment agencies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Lead Pronto	Exact match	Birkenhead, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Lead Pronto is a digital lead generation company helping businesses acquire high-quality leads and customers through multi-channel marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Gold-Vision CRM	Exact match	Northampton, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Gold-Vision CRM is a highly configurable, user-friendly customer relationship management (CRM) platform designed to unify and streamline sales and marketing processes for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Home Lead GEN	Exact match	Exeter, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “At Home Lead Gen, we specialise in delivering tailored lead generation solutions that drive growth and success for your business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Lead GEN Department	Exact match	Weston Longville, United KingdomHQ recorded Sep 28, 2026	1-10	18 contacts →
	Exact match “B2B Lead Generation for Tech & SAAS companies, specialising in targeting enterprise accounts.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	JBI Advertising	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	17 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 28, 2026 · View company records in RevenueBase
24	ACE Marketing LTD	Exact match	Birmingham, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “ACE Marketing is an accomplished Marketing House, with a wealth of experience in lead generation and supporting marketing campaigns to enhance business development across both the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Research Runner	Exact match	Harlow, United KingdomHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “We started out providing lead generation for market research agencies and have since expanded into many other sectors including finance, recruitment, professional 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 “lead generation software developers”. 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 580 lead generation software developers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 633 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lead generation software developers based in the United Kingdom at a glance

As of Sep 28, 2026

19.1%Verified-email coverage

5.7Average contacts per company

1-10Median size (employees)

36.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

391

11-50

158

51-200

201-500

501-1,000

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 580 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 software developers” 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 633 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.

Lead generation software developers by metro

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 software developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lead generation software developers are there based in the United Kingdom?

RevenueBase identified 580 company matches for lead generation software developers associated with the 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?

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

Which city has the most lead generation software developers?

London leads with 210 company records, followed by Manchester (36) and Birmingham (13).

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 633 professional contacts with verified work emails tracked across these 580 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.