Company lists · Data refreshed September 2026
Top 25 B2B companies based in London, United Kingdom
RevenueBase identified 490 company matches for B2B companies associated with London, United Kingdom as of September 2026 and tracks 6,071 professional contacts across them, including 1,861 with verified work emails and 512 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for B2B companies 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 7, 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 25 largest B2B companies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 530 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 7, 2026 · View company records in RevenueBase | |||||
| 2 | 453 contacts → | ||||
Exact match “B2B Marketing is a professional community where all B2B marketers can easily communicate with like-minded industry peers.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 3 | 289 contacts → | ||||
Exact match “We deliver full-service B2B marketing solutions for world-class customer experiences – with an eye always toward the future.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 4 | 186 contacts → | ||||
Exact match “We work exclusively with B2B publishers and lead gen providers.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 5 | 184 contacts → | ||||
Exact match “Qogita is a leading global wholesale B2B platform that offers a wide variety of products, brands and categories across geographies.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 6 | 147 contacts → | ||||
Exact match “It ain't over 'til it's over." This quote applies very aptly to the way Incredible Marketeer works and performs.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 7 | 139 contacts → | ||||
Exact match “Publicis Pro is the specialist B2B marketing agency within Publicis Groupe, the world's number one marketing holding group.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 8 | 126 contacts → | ||||
Exact match “NRi Digital creates design-led digital content for B2B and commercial markets.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 9 | 115 contacts → | ||||
Exact match “Tarsus Group delivers B2B events across the globe along with digital media & industry-focussed publications.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 10 | 93 contacts → | ||||
Exact match “We’re Ledger Bennett.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 11 | 88 contacts → | ||||
Exact match “The Hemming Group is a business-to-business publisher and event organiser.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 12 | 88 contacts → | ||||
Exact match “The B2B Customer Acquisition Specialists Internal Results specialize in generating leads, promoting content, and driving brand awareness for B2B organizations worldwide through…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 13 | 86 contacts → | ||||
Exact match “THIS IS B2B WITHOUT BORDERS THIS IS BBN BBN breaks boundaries.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 14 | 85 contacts → | ||||
Exact match “Publitek is now part of Pretzl.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 15 | 71 contacts → | ||||
Exact match “Propeller Group is a global B2B agency with an integrated approach to PR, content, and growth marketing.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 16 | 70 contacts → | ||||
Exact match “We get B2B brands noticed in a world that isn’t looking” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 17 | 67 contacts → | ||||
Exact match “Today, B2B brands battle for attention in the same crowded space as everything else.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 18 | 56 contacts → | ||||
Exact match “We build and run your complete, end-to-end Growth Engine.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 19 | 53 contacts → | ||||
Exact match “OrbitalX is an account-based marketing agency helping B2B marketing teams generate ICP qualified pipeline.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 20 | 51 contacts → | ||||
Exact match “At The Marketing Practice, we’ve combined the best B2B specialists from across the globe in one business, with capabilities that stretch through the funnel, from brand to demand…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 21 | 47 contacts → | ||||
Exact match “Digital Apple is a full-service creative agency for B2B.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 22 | 45 contacts → | ||||
Exact match “Direct On Demands is a global B2B demand generation and marketing technology solutions provider helping organizations accelerate revenue growth and build high-performing sales…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 23 | 44 contacts → | ||||
Exact match “We are The Think Tank: a fully-integrated, result-oriented agency based in Holborn, London.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase | |||||
| 24 | 42 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 7, 2026 · View company records in RevenueBase | |||||
| 25 | 40 contacts → | ||||
Exact match “Focused on B2B Tech.” Recorded in the RevenueBase company graph · Sep 7, 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 “B2B companies”. 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 490 B2B companies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 1,861 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
B2B companies based in London, United Kingdom at a glance
As of Sep 7, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 “B2B 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 1,861 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 7, 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.
B2B companies by metro in the United Kingdom
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 “B2B companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many B2B companies are there based in London, United Kingdom?
RevenueBase identified 490 company matches for B2B companies 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 B2B companies?
London leads the United Kingdom with 490 company records, followed by Manchester (51) and Birmingham (24).
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 1,861 professional contacts with verified work emails tracked across these 490 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 7, 2026.
Ready to reach these companies? Verified emails and direct dials for all 490 B2B companies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
B2B companies by geography
- B2B companies based in the United States
- B2B companies based in the United Kingdom
- B2B companies based in Germany
- B2B companies based in Brazil
- B2B companies based in France
- B2B companies based in the Netherlands
- B2B companies based in Canada
- B2B companies based in Italy
- B2B companies based in Spain
- B2B companies based in Australia
- B2B companies based in Poland
- B2B companies based in Mexico
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.
More company lists
Company intelligence · public preview
Top 25 B2B companies based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 490 matching company records for B2B companies based in London, United Kingdom, with 6,071 tracked contacts and 1,861 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 7, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 B2B companies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Cognismcognism.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 530 contacts → |
“Cognism provides accurate, compliant-first B2B data and sales intelligence for teams growing across Europe and beyond.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  B2B Marketingb2bmarketing.netHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 453 contacts → |
“B2B Marketing is a professional community where all B2B marketers can easily communicate with like-minded industry peers.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Transmissiontransmissionagency.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 289 contacts → |
“We deliver full-service B2B marketing solutions for world-class customer experiences – with an eye always toward the future.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Account Mediaaccountmedia.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 186 contacts → |
“We work exclusively with B2B publishers and lead gen providers.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Qogitaqogita.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 184 contacts → |
“Qogita is a leading global wholesale B2B platform that offers a wide variety of products, brands and categories across geographies.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Incredible Marketeer Ites An ISO 9001 2015 Companyimarketeer.ioHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 147 contacts → |
“It ain't over 'til it's over." This quote applies very aptly to the way Incredible Marketeer works and performs.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Publicis PROpublicispro.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Publicis Pro is the specialist B2B marketing agency within Publicis Groupe, the world's number one marketing holding group.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  NRInridigital.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 126 contacts → |
“NRi Digital creates design-led digital content for B2B and commercial markets.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Tarsus Grouptarsus.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 115 contacts → |
“Tarsus Group delivers B2B events across the globe along with digital media & industry-focussed publications.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ledger Bennettledgerbennett.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 93 contacts → |
“We’re Ledger Bennett.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hemming Grouphgluk.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 88 contacts → |
“The Hemming Group is a business-to-business publisher and event organiser.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Internal Resultsinternalresults.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 88 contacts → |
“The B2B Customer Acquisition Specialists Internal Results specialize in generating leads, promoting content, and driving brand awareness for B2B organizations worldwide through…” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  BBNbbn-international.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 86 contacts → |
“THIS IS B2B WITHOUT BORDERS THIS IS BBN BBN breaks boundaries.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Publitekpublitek.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Publitek is now part of Pretzl.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Propeller Grouppropellergroup.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 71 contacts → |
“Propeller Group is a global B2B agency with an integrated approach to PR, content, and growth marketing.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  FSTthisisfst.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 70 contacts → |
“We get B2B brands noticed in a world that isn’t looking” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fight OR Flightfightorflight.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Today, B2B brands battle for attention in the same crowded space as everything else.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Nexusesnexuses.inHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 56 contacts → |
“We build and run your complete, end-to-end Growth Engine.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Orbitalxorbitalx.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“OrbitalX is an account-based marketing agency helping B2B marketing teams generate ICP qualified pipeline.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  The Marketing Practicethemarketingpractice.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 51 contacts → |
“At The Marketing Practice, we’ve combined the best B2B specialists from across the globe in one business, with capabilities that stretch through the funnel, from brand to demand…” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Digital Appledigitalapple.aiHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Digital Apple is a full-service creative agency for B2B.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Direct On Demandsdirectondemands.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Direct On Demands is a global B2B demand generation and marketing technology solutions provider helping organizations accelerate revenue growth and build high-performing sales…” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  The Think Tankthinktank.org.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“We are The Think Tank: a fully-integrated, result-oriented agency based in Holborn, London.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 42 contacts → |
“Ei Advisory provides B2B sales and marketing intelligence that helps companies reach, engage and convert customers.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Togethertogether.agencyHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Focused on B2B Tech.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 490 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
B2B companies: dataset insights
September 7, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
489 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 7, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
B2B companies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for B2B companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many B2B companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 490 matching company records, 6,071 tracked contacts and 1,861 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 7, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
B2B companies by geography
- B2B companies based in the United States
- B2B companies based in the United Kingdom
- B2B companies based in Germany
- B2B companies based in Brazil
- B2B companies based in France
- B2B companies based in the Netherlands
- B2B companies based in Canada
- B2B companies based in Italy
- B2B companies based in Spain
- B2B companies based in Australia
- B2B companies based in Poland
- B2B companies based in Mexico
Cite this list
RevenueBase Data Team. Top 25 B2B companies based in London, United Kingdom. Snapshot: September 7, 2026. https://revenuebase.ai/companies/b2b-companies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 B2B companies based in London, United Kingdom
RevenueBase records 490 matching company records for B2B companies based in London, United Kingdom, with 6,071 tracked contacts and 1,861 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 7, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 B2B companies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Cognismcognism.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 530 contacts → |
“Cognism provides accurate, compliant-first B2B data and sales intelligence for teams growing across Europe and beyond.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | B2B Marketingb2bmarketing.net HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 453 contacts → |
“B2B Marketing is a professional community where all B2B marketers can easily communicate with like-minded industry peers.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Transmissiontransmissionagency.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 289 contacts → |
“We deliver full-service B2B marketing solutions for world-class customer experiences – with an eye always toward the future.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Account Mediaaccountmedia.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 186 contacts → |
“We work exclusively with B2B publishers and lead gen providers.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Qogitaqogita.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 184 contacts → |
“Qogita is a leading global wholesale B2B platform that offers a wide variety of products, brands and categories across geographies.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Incredible Marketeer Ites An ISO 9001 2015 Companyimarketeer.io HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 147 contacts → |
“It ain't over 'til it's over." This quote applies very aptly to the way Incredible Marketeer works and performs.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Publicis PROpublicispro.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Publicis Pro is the specialist B2B marketing agency within Publicis Groupe, the world's number one marketing holding group.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | NRInridigital.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 126 contacts → |
“NRi Digital creates design-led digital content for B2B and commercial markets.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Tarsus Grouptarsus.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 115 contacts → |
“Tarsus Group delivers B2B events across the globe along with digital media & industry-focussed publications.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ledger Bennettledgerbennett.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 93 contacts → |
“We’re Ledger Bennett.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hemming Grouphgluk.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 88 contacts → |
“The Hemming Group is a business-to-business publisher and event organiser.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Internal Resultsinternalresults.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 88 contacts → |
“The B2B Customer Acquisition Specialists Internal Results specialize in generating leads, promoting content, and driving brand awareness for B2B organizations worldwide through…” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | BBNbbn-international.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 86 contacts → |
“THIS IS B2B WITHOUT BORDERS THIS IS BBN BBN breaks boundaries.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Publitekpublitek.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Publitek is now part of Pretzl.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Propeller Grouppropellergroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 71 contacts → |
“Propeller Group is a global B2B agency with an integrated approach to PR, content, and growth marketing.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | FSTthisisfst.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 70 contacts → |
“We get B2B brands noticed in a world that isn’t looking” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fight OR Flightfightorflight.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Today, B2B brands battle for attention in the same crowded space as everything else.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Nexusesnexuses.in HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 56 contacts → |
“We build and run your complete, end-to-end Growth Engine.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Orbitalxorbitalx.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“OrbitalX is an account-based marketing agency helping B2B marketing teams generate ICP qualified pipeline.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Marketing Practicethemarketingpractice.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 51 contacts → |
“At The Marketing Practice, we’ve combined the best B2B specialists from across the globe in one business, with capabilities that stretch through the funnel, from brand to demand…” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Digital Appledigitalapple.ai HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Digital Apple is a full-service creative agency for B2B.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Direct On Demandsdirectondemands.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Direct On Demands is a global B2B demand generation and marketing technology solutions provider helping organizations accelerate revenue growth and build high-performing sales…” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Think Tankthinktank.org.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“We are The Think Tank: a fully-integrated, result-oriented agency based in Holborn, London.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 42 contacts → |
“Ei Advisory provides B2B sales and marketing intelligence that helps companies reach, engage and convert customers.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Togethertogether.agency HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Focused on B2B Tech.” Recorded description excerpt · September 7, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 490 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
B2B companies: dataset insights
September 7, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
489 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 7, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
B2B companies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for B2B companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many B2B companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 490 matching company records, 6,071 tracked contacts and 1,861 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 7, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
B2B companies by geography
- B2B companies based in the United States
- B2B companies based in the United Kingdom
- B2B companies based in Germany
- B2B companies based in Brazil
- B2B companies based in France
- B2B companies based in the Netherlands
- B2B companies based in Canada
- B2B companies based in Italy
- B2B companies based in Spain
- B2B companies based in Australia
- B2B companies based in Poland
- B2B companies based in Mexico
Cite this list
RevenueBase Data Team. Top 25 B2B companies based in London, United Kingdom. Snapshot: September 7, 2026. https://revenuebase.ai/companies/b2b-companies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗