Company lists · Data refreshed September 2026
Top 25 Thought leadership public relations firms based in the United Kingdom
RevenueBase identified 955 company matches for thought leadership public relations firms associated with the United Kingdom as of September 2026 and tracks 6,153 professional contacts across them, including 2,155 with verified work emails. London is the largest hub.
This list covers company matches for thought leadership public relations firms associated with the 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 29, 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 thought leadership public relations firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 367 contacts → | ||||
Exact match “HSL is a hard-working and creative PR and marketing communications agency.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 272 contacts → | ||||
Exact match “Creative communications for entertainment, arts and culture.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 143 contacts → | ||||
Exact match “Organisations and brands turn to us to shape, protect and transform their reputations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 125 contacts → | ||||
Exact match “Hanbury is a strategic advisory firm that turns insight into impact.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 78 contacts → | ||||
Exact match “PLMR delivers Communications with Impact Lobbying and Public Affairs We draw on the experience of former MPs, candidates and advisers, local authority councillors and public…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 71 contacts → | ||||
Exact match “We are a Yorkshire PR company that specialises in getting our clients and their products in the news via public relations and media relations campaigns, stunts and one off news…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 55 contacts → | ||||
Exact match “For more than four decades, we have helped our clients build, protect, and enhance their reputations, advance their business objectives, and shape the conversations that matter…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 54 contacts → | ||||
Exact match “We are the strategic acumen of ‘Gen Plus Group’, a dynamic communications agency where strategy meets storytelling.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 52 contacts → | ||||
Exact match “FT Longitude creates real thought leadership, for brands and marketers with big ideas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 46 contacts → | ||||
Exact match “Welcome to Brazen - the most awarded PR agency outside London and PRWeek’s Best Agency Outside London.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 44 contacts → | ||||
Exact match “Ballou is a strategic communications partner to innovative companies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 42 contacts → | ||||
Exact match “PR has never been more valuable.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 41 contacts → | ||||
Exact match “We’re Mercieca.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 41 contacts → | ||||
Exact match “On a mission to be the UK’s most accountable PR agency, Whiteoaks embrace a deliberately different approach.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 41 contacts → | ||||
Exact match “Drop us a line at hello@stormcom.co.uk to sign up to our Consumer Brands or Corporate newsletter** Storm is a hardworking, down-to-earth, friendly and results-driven agency.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 40 contacts → | ||||
Exact match “Greenbrook is an independent strategic communications firm that advises clients on all aspects of their business through the lens of reputation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 38 contacts → | ||||
Exact match “Award-Winning Communications Specialists PR | Marketing | Events | Digital | Talent hello@mediahouseglobal.com” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 36 contacts → | ||||
Exact match “firstlight group is an independent corporate and B2B communications consultancy, ranked among PR Week UK's top 25 corporate agencies for 2025.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 35 contacts → | ||||
Exact match “At Fox Communications, our best practice merges solid thinking with an adaptability that reflects an ever-changing digital landscape.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 34 contacts → | ||||
Exact match “Rostrum is a leading London PR agency.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 34 contacts → | ||||
Exact match “For more than three decades the team at Cardew has worked with major companies and business leaders to communicate effectively with the media, the international financial…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 31 contacts → | ||||
Exact match “At Spark, we’ve spent the last 25 years helping ambitious tech and life sciences companies craft PR campaigns, comms strategy and content that don’t just make noise, they make…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 31 contacts → | ||||
Exact match “ASG is built to respond to everyday business problems faced by our clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 31 contacts → | ||||
Exact match “Liberty Comms is an international public relations and marketing agency specialising in technology.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 29 contacts → | ||||
Exact match “Orbit Communications is an award-winning communications consultancy providing integrated public relations, public affairs, digital and design services.” Recorded in the RevenueBase company graph · Sep 29, 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 “thought leadership public relations firms”. 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 955 thought leadership public relations firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 2,155 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Thought leadership public relations firms based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 955 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 the United Kingdom whose business descriptions match “thought leadership public relations firms” 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 2,155 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 29, 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.
Thought leadership public relations firms by metro
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 “thought leadership public relations firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many thought leadership public relations firms are there based in the United Kingdom?
RevenueBase identified 955 company matches for thought leadership public relations firms associated with the 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?
HSL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most thought leadership public relations firms?
London leads with 346 company records, followed by Manchester (29) and Leeds (17).
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 2,155 professional contacts with verified work emails tracked across these 955 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 955 thought leadership public relations firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Thought leadership public relations firms by geography
- Thought leadership public relations firms based in Brisbane, Australia
- Thought leadership public relations firms based in Melbourne, Australia
- Thought leadership public relations firms based in Sydney, Australia
- Thought leadership public relations firms based in Vienna, Austria
- Thought leadership public relations firms based in Rio De Janeiro, Brazil
- Thought leadership public relations firms based in Sao Paulo, Brazil
- Thought leadership public relations firms based in Toronto, Canada
- Thought leadership public relations firms based in Vancouver, Canada
- Thought leadership public relations firms based in Paris, France
- Thought leadership public relations firms based in Berlin, Germany
- Thought leadership public relations firms based in Hamburg, Germany
- Thought leadership public relations firms based in Bangalore, India
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
- Thought leadership public relations firms based in Brisbane, Australia
- Thought leadership public relations firms based in Melbourne, Australia
- Thought leadership public relations firms based in Sydney, Australia
- Thought leadership public relations firms based in Vienna, Austria
- Thought leadership public relations firms based in Rio De Janeiro, Brazil
- Thought leadership public relations firms based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 thought leadership public relations firms based in the 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 955 matching company records for thought leadership public relations firms based in the United Kingdom, with 6,153 tracked contacts and 2,155 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 thought leadership public relations firms based in the 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 |  HSLharrisonsadler.comHQ: East Sussex, United KingdomReported employees: Not recorded | East Sussex, United Kingdom | Not recorded | Exact match | 367 contacts → |
“HSL is a hard-working and creative PR and marketing communications agency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Lansons Team Farnerlansons.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 143 contacts → |
“Organisations and brands turn to us to shape, protect and transform their reputations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hanbury Strategyhanburystrategy.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 125 contacts → |
“Hanbury is a strategic advisory firm that turns insight into impact.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  PLMRplmr.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 78 contacts → |
“PLMR delivers Communications with Impact Lobbying and Public Affairs We draw on the experience of former MPs, candidates and advisers, local authority councillors and public…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Different PRdifferentpr.co.ukHQ: Harrogate, United KingdomReported employees: Not recorded | Harrogate, United Kingdom | Not recorded | Exact match | 71 contacts → |
“We are a Yorkshire PR company that specialises in getting our clients and their products in the news via public relations and media relations campaigns, stunts and one off news…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Burson Buchananbursonbuchanan.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 55 contacts → |
“For more than four decades, we have helped our clients build, protect, and enhance their reputations, advance their business objectives, and shape the conversations that matter…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Prm-Globalprm-global.plusHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 54 contacts → |
“We are the strategic acumen of ‘Gen Plus Group’, a dynamic communications agency where strategy meets storytelling.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  FT Longitudelongitude.ft.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 52 contacts → |
“FT Longitude creates real thought leadership, for brands and marketers with big ideas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Brazen PRwearebrazenpr.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Welcome to Brazen - the most awarded PR agency outside London and PRWeek’s Best Agency Outside London.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ballouballoupr.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“Ballou is a strategic communications partner to innovative companies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Speed Communicationsspeedcommunications.comHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 42 contacts → |
“PR has never been more valuable.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Merciecamercieca.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“We’re Mercieca.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Whiteoaks Internationalwhiteoaks.co.ukHQ: Hook, United KingdomReported employees: 11-50 | Hook, United Kingdom | 11-50 | Exact match | 41 contacts → |
“On a mission to be the UK’s most accountable PR agency, Whiteoaks embrace a deliberately different approach.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Storm Communicationsstormcom.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“Drop us a line at hello@stormcom.co.uk to sign up to our Consumer Brands or Corporate newsletter** Storm is a hardworking, down-to-earth, friendly and results-driven agency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Greenbrookgreenbrookadvisory.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Greenbrook is an independent strategic communications firm that advises clients on all aspects of their business through the lens of reputation.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Media Housemediahouseglobal.comHQ: Angel, United KingdomReported employees: Not recorded | Angel, United Kingdom | Not recorded | Exact match | 38 contacts → |
“Award-Winning Communications Specialists PR | Marketing | Events | Digital | Talent hello@mediahouseglobal.com” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Firstlightfirstlightgroup.ioHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 36 contacts → |
“firstlight group is an independent corporate and B2B communications consultancy, ranked among PR Week UK's top 25 corporate agencies for 2025.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  FOX Communicationsfoxcomms.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“At Fox Communications, our best practice merges solid thinking with an adaptability that reflects an ever-changing digital landscape.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Rostrumrostrum.agencyHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Rostrum is a leading London PR agency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cardew Groupcardewgroup.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“For more than three decades the team at Cardew has worked with major companies and business leaders to communicate effectively with the media, the international financial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Spark Communications UKsparkcomms.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“At Spark, we’ve spent the last 25 years helping ambitious tech and life sciences companies craft PR campaigns, comms strategy and content that don’t just make noise, they make…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ASGasgcomms.comHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 31 contacts → |
“ASG is built to respond to everyday business problems faced by our clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Liberty Commslibertycomms.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Liberty Comms is an international public relations and marketing agency specialising in technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Orbit Communicationsorbit.scotHQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 29 contacts → |
“Orbit Communications is an award-winning communications consultancy providing integrated public relations, public affairs, digital and design services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 955 company matches
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Thought leadership public relations firms: dataset insights
September 29, 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
947 records in the displayed employee bands.
8 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 955 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 29, 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 ↗
Thought leadership public relations firms by metro
Questions about this company list
What does Exact match mean for thought leadership public relations firms?
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 thought leadership public relations firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 955 matching company records, 6,153 tracked contacts and 2,155 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 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
Thought leadership public relations firms by geography
- Thought leadership public relations firms based in Brisbane, Australia
- Thought leadership public relations firms based in Melbourne, Australia
- Thought leadership public relations firms based in Sydney, Australia
- Thought leadership public relations firms based in Vienna, Austria
- Thought leadership public relations firms based in Rio De Janeiro, Brazil
- Thought leadership public relations firms based in Sao Paulo, Brazil
- Thought leadership public relations firms based in Toronto, Canada
- Thought leadership public relations firms based in Vancouver, Canada
- Thought leadership public relations firms based in Paris, France
- Thought leadership public relations firms based in Berlin, Germany
- Thought leadership public relations firms based in Hamburg, Germany
- Thought leadership public relations firms based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 thought leadership public relations firms based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/thought-leadership-public-relations-firms/united-kingdom.
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
- Thought leadership public relations firms based in Brisbane, Australia
- Thought leadership public relations firms based in Melbourne, Australia
- Thought leadership public relations firms based in Sydney, Australia
- Thought leadership public relations firms based in Vienna, Austria
- Thought leadership public relations firms based in Rio De Janeiro, Brazil
- Thought leadership public relations firms based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 thought leadership public relations firms based in the United Kingdom
RevenueBase records 955 matching company records for thought leadership public relations firms based in the United Kingdom, with 6,153 tracked contacts and 2,155 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 thought leadership public relations firms based in the 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 | HSLharrisonsadler.com HQ: East Sussex, United KingdomReported employees: Not recorded | East Sussex, United Kingdom | Not recorded | Exact match | 367 contacts → |
“HSL is a hard-working and creative PR and marketing communications agency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Lansons Team Farnerlansons.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 143 contacts → |
“Organisations and brands turn to us to shape, protect and transform their reputations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hanbury Strategyhanburystrategy.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 125 contacts → |
“Hanbury is a strategic advisory firm that turns insight into impact.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | PLMRplmr.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 78 contacts → |
“PLMR delivers Communications with Impact Lobbying and Public Affairs We draw on the experience of former MPs, candidates and advisers, local authority councillors and public…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Different PRdifferentpr.co.uk HQ: Harrogate, United KingdomReported employees: Not recorded | Harrogate, United Kingdom | Not recorded | Exact match | 71 contacts → |
“We are a Yorkshire PR company that specialises in getting our clients and their products in the news via public relations and media relations campaigns, stunts and one off news…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Burson Buchananbursonbuchanan.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 55 contacts → |
“For more than four decades, we have helped our clients build, protect, and enhance their reputations, advance their business objectives, and shape the conversations that matter…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Prm-Globalprm-global.plus HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 54 contacts → |
“We are the strategic acumen of ‘Gen Plus Group’, a dynamic communications agency where strategy meets storytelling.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | FT Longitudelongitude.ft.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 52 contacts → |
“FT Longitude creates real thought leadership, for brands and marketers with big ideas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Brazen PRwearebrazenpr.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Welcome to Brazen - the most awarded PR agency outside London and PRWeek’s Best Agency Outside London.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ballouballoupr.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“Ballou is a strategic communications partner to innovative companies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Speed Communicationsspeedcommunications.com HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 42 contacts → |
“PR has never been more valuable.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Merciecamercieca.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“We’re Mercieca.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Whiteoaks Internationalwhiteoaks.co.uk HQ: Hook, United KingdomReported employees: 11-50 | Hook, United Kingdom | 11-50 | Exact match | 41 contacts → |
“On a mission to be the UK’s most accountable PR agency, Whiteoaks embrace a deliberately different approach.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Storm Communicationsstormcom.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“Drop us a line at hello@stormcom.co.uk to sign up to our Consumer Brands or Corporate newsletter** Storm is a hardworking, down-to-earth, friendly and results-driven agency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Greenbrookgreenbrookadvisory.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Greenbrook is an independent strategic communications firm that advises clients on all aspects of their business through the lens of reputation.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Media Housemediahouseglobal.com HQ: Angel, United KingdomReported employees: Not recorded | Angel, United Kingdom | Not recorded | Exact match | 38 contacts → |
“Award-Winning Communications Specialists PR | Marketing | Events | Digital | Talent hello@mediahouseglobal.com” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Firstlightfirstlightgroup.io HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 36 contacts → |
“firstlight group is an independent corporate and B2B communications consultancy, ranked among PR Week UK's top 25 corporate agencies for 2025.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | FOX Communicationsfoxcomms.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“At Fox Communications, our best practice merges solid thinking with an adaptability that reflects an ever-changing digital landscape.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Rostrumrostrum.agency HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Rostrum is a leading London PR agency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cardew Groupcardewgroup.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“For more than three decades the team at Cardew has worked with major companies and business leaders to communicate effectively with the media, the international financial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Spark Communications UKsparkcomms.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“At Spark, we’ve spent the last 25 years helping ambitious tech and life sciences companies craft PR campaigns, comms strategy and content that don’t just make noise, they make…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ASGasgcomms.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 31 contacts → |
“ASG is built to respond to everyday business problems faced by our clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Liberty Commslibertycomms.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Liberty Comms is an international public relations and marketing agency specialising in technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Orbit Communicationsorbit.scot HQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 29 contacts → |
“Orbit Communications is an award-winning communications consultancy providing integrated public relations, public affairs, digital and design services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 955 company matches
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Thought leadership public relations firms: dataset insights
September 29, 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
947 records in the displayed employee bands.
8 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 955 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 29, 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 ↗
Thought leadership public relations firms by metro
Questions about this company list
What does Exact match mean for thought leadership public relations firms?
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 thought leadership public relations firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 955 matching company records, 6,153 tracked contacts and 2,155 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 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
Thought leadership public relations firms by geography
- Thought leadership public relations firms based in Brisbane, Australia
- Thought leadership public relations firms based in Melbourne, Australia
- Thought leadership public relations firms based in Sydney, Australia
- Thought leadership public relations firms based in Vienna, Austria
- Thought leadership public relations firms based in Rio De Janeiro, Brazil
- Thought leadership public relations firms based in Sao Paulo, Brazil
- Thought leadership public relations firms based in Toronto, Canada
- Thought leadership public relations firms based in Vancouver, Canada
- Thought leadership public relations firms based in Paris, France
- Thought leadership public relations firms based in Berlin, Germany
- Thought leadership public relations firms based in Hamburg, Germany
- Thought leadership public relations firms based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 thought leadership public relations firms based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/thought-leadership-public-relations-firms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Thought leadership public relations firms based in Brisbane, Australia
- Thought leadership public relations firms based in Melbourne, Australia
- Thought leadership public relations firms based in Sydney, Australia
- Thought leadership public relations firms based in Vienna, Austria
- Thought leadership public relations firms based in Rio De Janeiro, Brazil
- Thought leadership public relations firms based in Sao Paulo, Brazil