Company lists · Data refreshed September 2026
Top 24 IT B2B communications agencies based in London, United Kingdom
RevenueBase identified 1,132 company matches for IT B2B communications agencies associated with London, United Kingdom as of September 2026 and tracks 21,836 professional contacts across them, including 7,112 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for IT B2B communications agencies 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 21, 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 24 largest IT B2B communications agencies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 709 contacts → | ||||
Exact match “We are Digitas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 517 contacts → | ||||
Exact match “We are a trusted digital communications and marketing company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 422 contacts → | ||||
Exact match “Hi, we're Gravity - the world’s most awarded brand-to-demand marketing agency!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 370 contacts → | ||||
Exact match “In a world where everyone’s shouting the same thing, whisper something truly distinctive in all the right ears.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 299 contacts → | ||||
Exact match “WE ARE A GLOBAL CREATIVE DIGITAL AGENCY At DMS, we bring together a powerhouse of creative, media intelligence and digital disciplines under one roof to support world-class…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 292 contacts → | ||||
Exact match “Four is one of the leading independent integrated communications agencies in the UK and the Middle East.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 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 21, 2026 · View company records in RevenueBase | |||||
| 9 | 272 contacts → | ||||
Exact match “Creative communications for entertainment, arts and culture.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 224 contacts → | ||||
Exact match “We’re an award-winning, founder-led, communications agency based in London, Minneapolis, New York and San Francisco with an extensive global capability.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 221 contacts → | ||||
Exact match “We are an insight led marketing communications team, delivering leading innovations and experiences that are proven to drive business growth.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 213 contacts → | ||||
Exact match “Axicom is the Burson agency for tech brands & brands with a tech story.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 213 contacts → | ||||
Exact match “Harvard is an award-winning integrated Marketing and PR agency for tech brands big and small, with a full-service offering including: media and analyst relations, marketing…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 187 contacts → | ||||
Exact match “We’re bored of boring PR.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 186 contacts → | ||||
Exact match “We work exclusively with B2B publishers and lead gen providers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 170 contacts → | ||||
Exact match “At Havas People we shape meaningful brands for the changing worlds of work and study.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 155 contacts → | ||||
Exact match “Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 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 21, 2026 · View company records in RevenueBase | |||||
| 19 | 139 contacts → | ||||
Exact match “A communication agency specialising in advertising, public relations, and digital media, Artbees' art studio has been in existence since 2006.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 131 contacts → | ||||
Exact match “Cognito is the global communications agency for finance, technology and the climate transition.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 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 21, 2026 · View company records in RevenueBase | |||||
| 22 | 112 contacts → | ||||
Exact match “Battenhall is an award-winning communications agency for the social media age.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 111 contacts → | ||||
Exact match “We’re MOI Global – the Not-So-B2B agency.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 105 contacts → | ||||
Exact match “We’re an integrated marketing agency who are fiercely proud of our work, our clients and our people.” Recorded in the RevenueBase company graph · Sep 21, 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 “IT B2B communications agencies”. 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 24 of 1,132 IT B2B communications agencies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 7,112 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT B2B communications agencies based in London, United Kingdom at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 1,132 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 London, United Kingdom whose business descriptions match “IT B2B communications agencies” 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 7,112 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 21, 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.
IT B2B communications agencies 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 “IT B2B communications agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT B2B communications agencies are there based in London, United Kingdom?
RevenueBase identified 1,132 company matches for IT B2B communications agencies 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?
Digitas UK 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 IT B2B communications agencies?
London leads the United Kingdom with 1,132 company records, followed by Manchester (101) and Bristol (54).
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 7,112 professional contacts with verified work emails tracked across these 1,132 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,132 IT B2B communications agencies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
IT B2B communications agencies by geography
- IT B2B communications agencies based in Buenos Aires, Argentina
- IT B2B communications agencies based in Adelaide, Australia
- IT B2B communications agencies based in Brisbane, Australia
- IT B2B communications agencies based in Melbourne, Australia
- IT B2B communications agencies based in Perth, Australia
- IT B2B communications agencies based in Sydney, Australia
- IT B2B communications agencies based in Vienna, Austria
- IT B2B communications agencies based in Belo Horizonte, Brazil
- IT B2B communications agencies based in Brasilia, Brazil
- IT B2B communications agencies based in Campinas, Brazil
- IT B2B communications agencies based in Curitiba, Brazil
- IT B2B communications agencies based in Natal, Brazil
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT B2B communications agencies based in Buenos Aires, Argentina
- IT B2B communications agencies based in Adelaide, Australia
- IT B2B communications agencies based in Brisbane, Australia
- IT B2B communications agencies based in Melbourne, Australia
- IT B2B communications agencies based in Perth, Australia
- IT B2B communications agencies based in Sydney, Australia
Company intelligence · public preview
Top 24 IT B2B communications agencies 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 1,132 matching company records for IT B2B communications agencies based in London, United Kingdom, with 21,836 tracked contacts and 7,112 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 24 IT B2B communications agencies 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 |  Digitas UKdigitas.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 709 contacts → |
“We are Digitas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  IDXidx.incHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 517 contacts → |
“We are a trusted digital communications and marketing company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gravity Globalgravityglobal.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 422 contacts → |
“Hi, we're Gravity - the world’s most awarded brand-to-demand marketing agency!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Entourageentouragebd.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 370 contacts → |
“In a world where everyone’s shouting the same thing, whisper something truly distinctive in all the right ears.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  DMSdmsukltd.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 299 contacts → |
“WE ARE A GLOBAL CREATIVE DIGITAL AGENCY At DMS, we bring together a powerhouse of creative, media intelligence and digital disciplines under one roof to support world-class…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Four Agency Worldwidefour.agencyHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 292 contacts → |
“Four is one of the leading independent integrated communications agencies in the UK and the Middle East.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Premierpremiercomms.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 272 contacts → |
“Creative communications for entertainment, arts and culture.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Brands2lifebrands2life.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 224 contacts → |
“We’re an award-winning, founder-led, communications agency based in London, Minneapolis, New York and San Francisco with an extensive global capability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SMP Groupsmpgroup.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 221 contacts → |
“We are an insight led marketing communications team, delivering leading innovations and experiences that are proven to drive business growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Axicomaxicom.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Axicom is the Burson agency for tech brands & brands with a tech story.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Harvardharvard.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Harvard is an award-winning integrated Marketing and PR agency for tech brands big and small, with a full-service offering including: media and analyst relations, marketing…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  The Romanswearetheromans.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 187 contacts → |
“We’re bored of boring PR.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Havas Peoplehavaspeople.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 170 contacts → |
“At Havas People we shape meaningful brands for the changing worlds of work and study.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Expandi Groupexpandigroup.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 155 contacts → |
“Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  ART Studioartbees.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 139 contacts → |
“A communication agency specialising in advertising, public relations, and digital media, Artbees' art studio has been in existence since 2006.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cognitocognitomedia.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 131 contacts → |
“Cognito is the global communications agency for finance, technology and the climate transition.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Battenhallbattenhall.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Battenhall is an award-winning communications agency for the social media age.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  MOI Globalmoi-global.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 111 contacts → |
“We’re MOI Global – the Not-So-B2B agency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Tigerbondtigerbond.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 105 contacts → |
“We’re an integrated marketing agency who are fiercely proud of our work, our clients and our people.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 1,132 company matches
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IT B2B communications agencies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,129 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 1,132 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 21, 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 ↗
IT B2B communications agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for IT B2B communications agencies?
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 IT B2B communications agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 1,132 matching company records, 21,836 tracked contacts and 7,112 verified emails. The public preview displays 24 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 21, 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
IT B2B communications agencies by geography
- IT B2B communications agencies based in Buenos Aires, Argentina
- IT B2B communications agencies based in Adelaide, Australia
- IT B2B communications agencies based in Brisbane, Australia
- IT B2B communications agencies based in Melbourne, Australia
- IT B2B communications agencies based in Perth, Australia
- IT B2B communications agencies based in Sydney, Australia
- IT B2B communications agencies based in Vienna, Austria
- IT B2B communications agencies based in Belo Horizonte, Brazil
- IT B2B communications agencies based in Brasilia, Brazil
- IT B2B communications agencies based in Campinas, Brazil
- IT B2B communications agencies based in Curitiba, Brazil
- IT B2B communications agencies based in Natal, Brazil
Cite this list
RevenueBase Data Team. Top 24 IT B2B communications agencies based in London, United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/it-b2b-communications-agencies/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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT B2B communications agencies based in Buenos Aires, Argentina
- IT B2B communications agencies based in Adelaide, Australia
- IT B2B communications agencies based in Brisbane, Australia
- IT B2B communications agencies based in Melbourne, Australia
- IT B2B communications agencies based in Perth, Australia
- IT B2B communications agencies based in Sydney, Australia
Company intelligence · public preview
Top 24 IT B2B communications agencies based in London, United Kingdom
RevenueBase records 1,132 matching company records for IT B2B communications agencies based in London, United Kingdom, with 21,836 tracked contacts and 7,112 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 24 IT B2B communications agencies 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 | Digitas UKdigitas.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 709 contacts → |
“We are Digitas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | IDXidx.inc HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 517 contacts → |
“We are a trusted digital communications and marketing company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gravity Globalgravityglobal.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 422 contacts → |
“Hi, we're Gravity - the world’s most awarded brand-to-demand marketing agency!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Entourageentouragebd.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 370 contacts → |
“In a world where everyone’s shouting the same thing, whisper something truly distinctive in all the right ears.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | DMSdmsukltd.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 299 contacts → |
“WE ARE A GLOBAL CREATIVE DIGITAL AGENCY At DMS, we bring together a powerhouse of creative, media intelligence and digital disciplines under one roof to support world-class…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Four Agency Worldwidefour.agency HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 292 contacts → |
“Four is one of the leading independent integrated communications agencies in the UK and the Middle East.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Premierpremiercomms.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 272 contacts → |
“Creative communications for entertainment, arts and culture.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Brands2lifebrands2life.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 224 contacts → |
“We’re an award-winning, founder-led, communications agency based in London, Minneapolis, New York and San Francisco with an extensive global capability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SMP Groupsmpgroup.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 221 contacts → |
“We are an insight led marketing communications team, delivering leading innovations and experiences that are proven to drive business growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Axicomaxicom.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Axicom is the Burson agency for tech brands & brands with a tech story.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Harvardharvard.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Harvard is an award-winning integrated Marketing and PR agency for tech brands big and small, with a full-service offering including: media and analyst relations, marketing…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The Romanswearetheromans.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 187 contacts → |
“We’re bored of boring PR.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Havas Peoplehavaspeople.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 170 contacts → |
“At Havas People we shape meaningful brands for the changing worlds of work and study.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Expandi Groupexpandigroup.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 155 contacts → |
“Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ART Studioartbees.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 139 contacts → |
“A communication agency specialising in advertising, public relations, and digital media, Artbees' art studio has been in existence since 2006.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cognitocognitomedia.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 131 contacts → |
“Cognito is the global communications agency for finance, technology and the climate transition.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Battenhallbattenhall.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Battenhall is an award-winning communications agency for the social media age.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | MOI Globalmoi-global.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 111 contacts → |
“We’re MOI Global – the Not-So-B2B agency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tigerbondtigerbond.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 105 contacts → |
“We’re an integrated marketing agency who are fiercely proud of our work, our clients and our people.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 1,132 company matches
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IT B2B communications agencies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,129 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 1,132 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 21, 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 ↗
IT B2B communications agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for IT B2B communications agencies?
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 IT B2B communications agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 1,132 matching company records, 21,836 tracked contacts and 7,112 verified emails. The public preview displays 24 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 21, 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
IT B2B communications agencies by geography
- IT B2B communications agencies based in Buenos Aires, Argentina
- IT B2B communications agencies based in Adelaide, Australia
- IT B2B communications agencies based in Brisbane, Australia
- IT B2B communications agencies based in Melbourne, Australia
- IT B2B communications agencies based in Perth, Australia
- IT B2B communications agencies based in Sydney, Australia
- IT B2B communications agencies based in Vienna, Austria
- IT B2B communications agencies based in Belo Horizonte, Brazil
- IT B2B communications agencies based in Brasilia, Brazil
- IT B2B communications agencies based in Campinas, Brazil
- IT B2B communications agencies based in Curitiba, Brazil
- IT B2B communications agencies based in Natal, Brazil
Cite this list
RevenueBase Data Team. Top 24 IT B2B communications agencies based in London, United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/it-b2b-communications-agencies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- IT B2B communications agencies based in Buenos Aires, Argentina
- IT B2B communications agencies based in Adelaide, Australia
- IT B2B communications agencies based in Brisbane, Australia
- IT B2B communications agencies based in Melbourne, Australia
- IT B2B communications agencies based in Perth, Australia
- IT B2B communications agencies based in Sydney, Australia