Company lists · Data refreshed November 2026
Top 25 Internal communication services based in London, United Kingdom
RevenueBase identified 87 company matches for internal communication services associated with London, United Kingdom as of November 2026 and tracks 1,350 professional contacts across them, including 542 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for internal communication services 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 November 6, 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 internal communication services based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 218 contacts → | ||||
Exact match “Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 166 contacts → | ||||
Exact match “At Havas People we shape meaningful brands for the changing worlds of work and study.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 99 contacts → | ||||
Exact match “We’re service communication experts – using a mix of science, creativity and service know-how to improve how you talk with your customers through all channels and media, from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 41 contacts → | ||||
Exact match “We help organisations reach their full potential by engaging, informing and inspiring their audiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 35 contacts → | ||||
Exact match “We are an international, creative communications agency and we understand how business works.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 33 contacts → | ||||
Exact match “We believe that developing the right dialogue helps our clients change mind-sets and create new ways of engagement, driving positive business results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 31 contacts → | ||||
Exact match “Aspect is an independent, award winning corporate events and communications agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 29 contacts → | ||||
Exact match “We are Sequel, an award-winning employee engagement agency inspiring people to deliver brilliant business performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “We are an award-winning internal communications agency, delivering strategic and creative employee engagement.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “beetroot is one of the UK’s leading creative communications agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “Heed is a leading provider of innovative communication solutions for the modern workplace.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “Altadicta deliver engagement by design.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Communication at its best starts with a conversation." That is the meaning behind Indaba, and it is the philosophy that drives our agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Compelling communication has the power to engage and to change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “We are a team of corporate reporting and communications specialists who can help you scope, plan, and deliver high-quality projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Wink Communications helps businesses, brands and financial funds connect better with customers and investors grow and engage audiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Work Networks help you select, launch and embed the best employee experience and internal comms technology for your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “PR Newswire is the global leader in innovative communications and marketing services that enable marketers, corporate communicators, sustainability officers, investor relations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “106 Communications is an award-winning communications consultancy on a mission to making work better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Click co-founders Clare Fleerackers and Kate Blakeley deliver corporate communications, reputation management, employee engagement and brand PR.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Cosy Meerkat Creative Communications is an internal communications agency with a difference.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “At Farraday we specialise in corporate communications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “We believe in powerful communications solutions that make a difference, that go beyond the ordinary, that can transform, inspire, move, educate and change behaviours and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “effektiv is a corporate communications specialist.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Trusted internal communication advice for complex times.” Recorded in the RevenueBase company graph · Nov 6, 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 “internal communication services”. 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 87 internal communication services based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 542 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Internal communication services based in London, United Kingdom at a glance
As of Nov 6, 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 87 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 “internal communication services” 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 542 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 November 6, 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.
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 “internal communication services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many internal communication services are there based in London, United Kingdom?
RevenueBase identified 87 company matches for internal communication services associated with London, United Kingdom as of November 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?
Radley Yeldar 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 internal communication services?
London leads the United Kingdom with 87 company records, followed by Bristol (13) and Manchester (13).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 542 professional contacts with verified work emails tracked across these 87 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 87 internal communication services based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Internal communication services by geography
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- Internal communication services based in Madrid, Spain
- Internal communication services based in Argentina
- Internal communication services based in Australia
- Internal communication services based in Belgium
- Internal communication services based in Brazil
- Internal communication services based in Canada
- Internal communication services based in Chile
- Internal communication services based in Colombia
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
- Internal communication services based in Sao Paulo, Brazil
- Internal communication services based in Toronto, Canada
- Internal communication services based in Paris, France
- Internal communication services based in Milan, Italy
- Internal communication services based in Madrid, Spain
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Company intelligence · public preview
Top 25 internal communication services 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 87 matching company records for internal communication services based in London, United Kingdom, with 1,350 tracked contacts and 542 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: November 6, 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 internal communication services 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 |  Radley Yeldarry.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 218 contacts → |
“Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Havas Peoplehavaspeople.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 166 contacts → |
“At Havas People we shape meaningful brands for the changing worlds of work and study.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  SOHsoh.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 99 contacts → |
“We’re service communication experts – using a mix of science, creativity and service know-how to improve how you talk with your customers through all channels and media, from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ABabcomm.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“We help organisations reach their full potential by engaging, informing and inspiring their audiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Brunswick Creativebrunswickgroup.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 35 contacts → |
“We are an international, creative communications agency and we understand how business works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  JB Communications LTDjbcommunications.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“We believe that developing the right dialogue helps our clients change mind-sets and create new ways of engagement, driving positive business results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Aspect Events & Communicationsaspect-communications.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Aspect is an independent, award winning corporate events and communications agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sequel Groupsequelgroup.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“We are Sequel, an award-winning employee engagement agency inspiring people to deliver brilliant business performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Blue Goosebluegoose.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“We are an award-winning internal communications agency, delivering strategic and creative employee engagement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Beetrootbeetroot.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“beetroot is one of the UK’s leading creative communications agencies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  HEEDheed.ioHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Heed is a leading provider of innovative communication solutions for the modern workplace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Altadictaaltadicta.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Altadicta deliver engagement by design.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Indaba Communicationsweareindaba.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Communication at its best starts with a conversation." That is the meaning behind Indaba, and it is the philosophy that drives our agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Dialogue Internal Communication And Engagementstartadialogue.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 8 contacts → |
“Compelling communication has the power to engage and to change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Falcon Windsor LTDfalconwindsor.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“We are a team of corporate reporting and communications specialists who can help you scope, plan, and deliver high-quality projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Wink Communications LTDwinkcomms.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Wink Communications helps businesses, brands and financial funds connect better with customers and investors grow and engage audiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Work Networksworknetworks.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Work Networks help you select, launch and embed the best employee experience and internal comms technology for your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  PR Newswire Emea And Indiaprnewswire.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 5 contacts → |
“PR Newswire is the global leader in innovative communications and marketing services that enable marketers, corporate communicators, sustainability officers, investor relations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  106 Communications106comms.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“106 Communications is an award-winning communications consultancy on a mission to making work better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Click Communicateclickcommunicate.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Click co-founders Clare Fleerackers and Kate Blakeley deliver corporate communications, reputation management, employee engagement and brand PR.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cosy Meerkatcosymeerkat.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Cosy Meerkat Creative Communications is an internal communications agency with a difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Farradayfarraday.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“At Farraday we specialise in corporate communications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Thread Groupthread-group.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“We believe in powerful communications solutions that make a difference, that go beyond the ordinary, that can transform, inspire, move, educate and change behaviours and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Effektiveffektiv.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“effektiv is a corporate communications specialist.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ALL Things IC Limitedallthingsic.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Trusted internal communication advice for complex times.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 87 company matches
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Internal communication services: dataset insights
November 6, 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
85 records in the displayed employee bands.
2 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 87 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for internal communication services?
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 internal communication services did RevenueBase find based in London, United Kingdom?
The saved snapshot records 87 matching company records, 1,350 tracked contacts and 542 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: November 6, 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
Internal communication services by geography
- Internal communication services based in Sao Paulo, Brazil
- Internal communication services based in Toronto, Canada
- Internal communication services based in Paris, France
- Internal communication services based in Milan, Italy
- Internal communication services based in Madrid, Spain
- Internal communication services based in Argentina
- Internal communication services based in Australia
- Internal communication services based in Belgium
- Internal communication services based in Brazil
- Internal communication services based in Canada
- Internal communication services based in Chile
- Internal communication services based in Colombia
Cite this list
RevenueBase Data Team. Top 25 internal communication services based in London, United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/internal-communication-services/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
- Internal communication services based in Sao Paulo, Brazil
- Internal communication services based in Toronto, Canada
- Internal communication services based in Paris, France
- Internal communication services based in Milan, Italy
- Internal communication services based in Madrid, Spain
- Internal communication services based in Argentina
Company intelligence · public preview
Top 25 internal communication services based in London, United Kingdom
RevenueBase records 87 matching company records for internal communication services based in London, United Kingdom, with 1,350 tracked contacts and 542 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: November 6, 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 internal communication services 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 | Radley Yeldarry.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 218 contacts → |
“Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Havas Peoplehavaspeople.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 166 contacts → |
“At Havas People we shape meaningful brands for the changing worlds of work and study.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SOHsoh.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 99 contacts → |
“We’re service communication experts – using a mix of science, creativity and service know-how to improve how you talk with your customers through all channels and media, from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ABabcomm.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“We help organisations reach their full potential by engaging, informing and inspiring their audiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Brunswick Creativebrunswickgroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 35 contacts → |
“We are an international, creative communications agency and we understand how business works.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | JB Communications LTDjbcommunications.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“We believe that developing the right dialogue helps our clients change mind-sets and create new ways of engagement, driving positive business results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Aspect Events & Communicationsaspect-communications.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Aspect is an independent, award winning corporate events and communications agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sequel Groupsequelgroup.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“We are Sequel, an award-winning employee engagement agency inspiring people to deliver brilliant business performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Blue Goosebluegoose.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“We are an award-winning internal communications agency, delivering strategic and creative employee engagement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Beetrootbeetroot.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“beetroot is one of the UK’s leading creative communications agencies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HEEDheed.io HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Heed is a leading provider of innovative communication solutions for the modern workplace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Altadictaaltadicta.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Altadicta deliver engagement by design.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Indaba Communicationsweareindaba.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Communication at its best starts with a conversation." That is the meaning behind Indaba, and it is the philosophy that drives our agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dialogue Internal Communication And Engagementstartadialogue.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 8 contacts → |
“Compelling communication has the power to engage and to change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Falcon Windsor LTDfalconwindsor.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“We are a team of corporate reporting and communications specialists who can help you scope, plan, and deliver high-quality projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wink Communications LTDwinkcomms.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Wink Communications helps businesses, brands and financial funds connect better with customers and investors grow and engage audiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Work Networksworknetworks.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Work Networks help you select, launch and embed the best employee experience and internal comms technology for your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | PR Newswire Emea And Indiaprnewswire.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 5 contacts → |
“PR Newswire is the global leader in innovative communications and marketing services that enable marketers, corporate communicators, sustainability officers, investor relations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 106 Communications106comms.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“106 Communications is an award-winning communications consultancy on a mission to making work better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Click Communicateclickcommunicate.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Click co-founders Clare Fleerackers and Kate Blakeley deliver corporate communications, reputation management, employee engagement and brand PR.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cosy Meerkatcosymeerkat.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Cosy Meerkat Creative Communications is an internal communications agency with a difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Farradayfarraday.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“At Farraday we specialise in corporate communications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Thread Groupthread-group.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“We believe in powerful communications solutions that make a difference, that go beyond the ordinary, that can transform, inspire, move, educate and change behaviours and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Effektiveffektiv.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“effektiv is a corporate communications specialist.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ALL Things IC Limitedallthingsic.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Trusted internal communication advice for complex times.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 87 company matches
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Internal communication services: dataset insights
November 6, 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
85 records in the displayed employee bands.
2 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 87 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for internal communication services?
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 internal communication services did RevenueBase find based in London, United Kingdom?
The saved snapshot records 87 matching company records, 1,350 tracked contacts and 542 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 internal communication services based in London, United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/internal-communication-services/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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- Internal communication services based in Sao Paulo, Brazil
- Internal communication services based in Toronto, Canada
- Internal communication services based in Paris, France
- Internal communication services based in Milan, Italy
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