Company lists · Data verified August 2026
Top 25 Demand generation marketing agencies based in the United Kingdom
There are 4,346 demand generation marketing agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 34,837 professional contacts across them, including 8,181 with verified work emails and 2,347 with mobile numbers. London is the largest hub.
This list covers demand generation marketing agencies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 25 largest demand generation marketing agencies based in the United Kingdom
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 306 | |
| 2 | 137 | |
| 3 | 246 | |
| 4 | 38 | |
| 5 | 38 | |
| 6 | 107 | |
| 7 | 136 | |
| 8 | 6 | |
| 9 | 28 | |
| 10 | 26 | |
| 11 | 44 | |
| 12 | 74 | |
| 13 | 49 | |
| 14 | 48 | |
| 15 | 1 | |
| 16 | 1 | |
| 17 | 36 | |
| 18 | 7 | |
| 19 | 60 | |
| 20 | 49 | |
| 21 | 48 | |
| 22 | 6 | |
| 23 | 30 | |
| 24 | 9 | |
| 25 | 17 |
Showing 25 of 4,346 demand generation marketing agencies based in the United Kingdom
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Demand generation marketing agencies based in the United Kingdom at a glance
As of Aug 28, 2026Companies by employee count
Demand generation marketing agencies by metro
| Metro | Companies |
|---|---|
| Demand generation marketing agencies in London | 1455 |
| Demand generation marketing agencies in Manchester | 206 |
| Demand generation marketing agencies in Birmingham | 110 |
| Demand generation marketing agencies in Leeds | 83 |
| Demand generation marketing agencies in Glasgow | 62 |
| Demand generation marketing agencies in Bristol | 61 |
| Demand generation marketing agencies in Liverpool | 48 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “demand generation marketing agencies”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
- 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
- Contact records re-verify on a rolling cadence; 20 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many demand generation marketing agencies are there based in the United Kingdom?
There are 4,346 demand generation marketing agencies headquartered in the United Kingdom as of August 2026 (RevenueBase).
What is the largest company on this list?
NP Digital, headquartered in London, tops this list with the largest team on record.
Which city has the most demand generation marketing agencies?
London leads with 1455 headquartered companies, followed by Manchester (206) and Birmingham (110).
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 8,181 verified decision-maker contacts tracked across these 4,346 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.
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