Company lists · Data refreshed September 2026
Top 10 Fractional demand generation leaders based in the United Kingdom
RevenueBase identified 39 fractional demand generation leaders headquartered in the United Kingdom as of September 2026 and tracks 559 professional contacts across them, including 92 with verified work emails and 20 with mobile numbers. London is the largest hub.
This list covers fractional demand generation leaders headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 3, 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.
The 10 largest fractional demand generation leaders based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 265 | ||||
“Welcome to Astute.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 2 | 28 | ||||
“Welcome to Lion Reach Media, where innovation meets unparalleled success in B2B marketing.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 3 | Inbox InsightPartial evidence | 21 | |||
“Inbox Insight | Demand More.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 4 | Ziggy Revenue-First Demand GEN AgencyStrong evidence | 15 | |||
“The Demand Generation Agency behind the world’s leading B2B SaaS and Enterprise Companies.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 5 | 11 | ||||
“Your next customer is in our 36.25M+ NAM, EMEA & APAC database.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 6 | Seamless MarketingStrong evidence | 8 | |||
“Seamless is your dedicated partner in B2B demand generation, specializing in the technology sector.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 | ||||
“Today’s B2B buyers are invisible and engage on their terms.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 8 | 6 | ||||
“End-to-end demand generation embedded in your startup to drive predictable growth.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 9 | Demand ExchangeStrong evidence | 2 | |||
“Demand Exchange empowers enterprise B2B businesses to generate high-quality leads at scale, seamlessly managing the entire demand and lead generation process, including…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1 | ||||
“At DSB2B, we believe in making B2B lead generation simple for our clients.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
Showing 10 of 39 fractional demand generation leaders based in the United Kingdom
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Fractional demand generation leaders based in the United Kingdom at a glance
As of Sep 3, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among fractional demand generation leaders, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- 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
- Companies headquartered in the United Kingdom whose own description of what they do matches “fractional demand generation leaders”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among fractional demand generation leaders, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 92 across the full list. 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 3, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many fractional demand generation leaders are there based in the United Kingdom?
RevenueBase identified 39 fractional demand generation leaders headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Astute.com, headquartered in Bournemouth, tops this list with the largest team on record.
Which city has the most fractional demand generation leaders?
London leads with 22 headquartered companies, followed by Bournemouth (3) and Manchester (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 92 verified decision-maker contacts tracked across these 39 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 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.
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