These United Kingdom companies operate in media, publishing, and education, with a strong emphasis on broadcast media and information services. Many are large, established organizations. For example, the BBC is a public service broadcaster, RELX provides information-based analytics, and Sky is a media and entertainment company. Pearson is a leader in learning, while Cambridge University Press & Assessment is an academic publisher. Informa connects specialists in events and academic knowledge.
A clear pattern is the concentration of headquarters in London, indicating the city's role as a central hub for these industries. While some companies like Cambridge University Press & Assessment (founded 1534) and Oxford University Press (founded 1478) have deep historical roots, others like OTRO (founded 2017) are more recent additions, showing a mix of long-standing institutions and newer ventures.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 42,697 | ||||
| 2 | 37,600 | ||||
| 3 | 35,346 | ||||
| 4 |
Pearsonpearson.com
A global leader in learning, offering digital content, assessments, qualifications, and data to create vibrant and enriching learning experiences worldwide |
13,596 | |||
| 5 |
Cambridge University Press & Assessmentcambridge.org
World-leading academic publisher and assessment organisation focused on education, learning, research, innovation, and global knowledge dissemination. |
11,789 | |||
| 6 |
Informainforma.com
Leading international business in events, digital services, and academic knowledge, connecting specialists worldwide to learn, know, and do more in their fields |
9,410 | |||
| 7 | 9,410 | ||||
| 8 |
Financial Timesft.com
provides authoritative, accurate business news and information with a large digital subscription base, serving the global business community. |
9,092 | |||
| 9 |
ITVitvplc.com
A leading UK media company shaping culture, known for famous productions and digital innovation, fostering a culture of inclusivity and growth |
8,903 | |||
| 10 |
Oxford University Pressoup.com
An institution part of the University of Oxford with a 500-year history of providing high-quality research and education resources globally |
8,246 | |||
| 11 | 7,147 | ||||
| 12 |
The Economisteconomist.com
Global news and analysis provider helping individuals understand the world; offering subscriptions for in-depth insights and respecting personal data privacy |
6,694 | |||
| 13 |
BBC Studiosbbcstudios.com
BBC Studios is a leading content studio and channels & streaming business known for top-quality, award-winning shows and global distribution of British content |
6,277 | |||
| 14 |
Formula 1formula1.com
Delivering Formula 1's global spectacle through technical infrastructure, data analysis, content production, hospitality programs, and innovative marketing to engage fans worldwide |
6,081 | |||
| 15 | 5,409 | ||||
| 16 |
Manchester Unitedmanutd.com
Global football club with 146-year heritage, 68 trophies, and a passionate worldwide community generating revenue through sponsorships and merchandising. |
5,391 | |||
| 17 |
News UKnewscareers.co.uk
Leading UK and Ireland media company offering newspapers, radio stations, digital content, and events reaching nearly 40 million monthly audience. |
5,157 | |||
| 18 |
LSEG Data & Analyticslseg.com
A global provider of financial markets data and infrastructure, enabling customers to gain insights through data, feeds, analytics, and workflow solutions |
5,147 | |||
| 19 |
Globalglobal.com
Leading UK media company operating national radio stations, digital platforms, and extensive outdoor advertising networks across major transport and urban locations. |
4,926 | |||
| 20 |
DAZNdazngroup.com
Global sports media innovators using cutting-edge technology to revolutionize the industry, providing sports streaming services and fostering an inclusive, diverse work environment |
4,092 | |||
| 21 |
Futurefutureplc.com
Global specialist media platform creating expert original content through websites, magazines, events, and social spaces reaching millions. |
3,900 | |||
| 22 |
Taylor & Francis Grouptaylorandfrancis.com
A leading publisher of scholarly content in Humanities, Social Sciences, Science, and Medicine, partnering with researchers and institutions worldwide for knowledge dissemination |
3,598 | |||
| 23 | 3,293 | ||||
| 24 |
Dentistrydentistry.co.uk
Leading UK dental website & magazine providing industry news, education, analysis, clinical insights, business tips, and product information for dental professionals |
3,066 | |||
| 25 | 3,022 | ||||
| 26 |
The Guardiantheguardian.com
A leading publisher of theguardiancom, Guardian US, and Guardian Australia, known for agenda-setting journalism and investigative reporting worldwide |
2,944 | |||
| 27 |
Channel 4channel4.com
Free-to-air UK broadcaster offering multiple TV channels and streaming, commissioning independent content, focusing on young audiences and British film investment. |
2,807 | |||
| 28 |
Saga plc.saga.co.uk
A dynamic company focused on providing exceptional experiences for people over 50, driving positive change in markets and communities |
2,622 | |||
| 29 | 2,522 | ||||
| 30 | 2,361 | ||||
| 31 |
Hachette UKhachette.co.uk
Publishing diverse books including fiction, non-fiction, children's books, educational materials, puzzles, gifts, games, e-books, and audiobooks globally. |
2,219 | |||
| 32 |
Trinity Mirror plctrinitymirror.com
Leading UK multimedia content publisher with a national presence through newspapers and websites, offering news, entertainment, and information to millions |
2,218 | |||
| 33 |
Fremantlefremantle.com
Producing and delivering premium, multi-genre entertainment content globally through a network of independent content creators and a world-leading digital business |
2,155 | |||
| 34 |
Argus Mediaargusmedia.com
Provides price assessments, news, analytics, consulting, data tools, and conferences for global energy and commodity market transparency and decision-making. |
2,024 | |||
| 35 |
Eurosportwbdsports.com
Leading sport destination in Europe with a focus on live streaming, Olympic coverage, cycling, tennis, and winter sports events, and online sports news |
1,989 | |||
| 36 |
Newsquest Media Groupnewsquest.co.uk
A regional media company in the UK, part of Gannett Inc, with a focus on local news, digital advertising, and marketing solutions |
1,984 | |||
| 37 |
Penguin Random House UKpenguin.co.uk
Publishing diverse voices globally through numerous imprints, combining creativity, technology, and collaboration to reach wide audiences. |
1,950 | |||
| 38 |
The Business of Fashionbusinessoffashion.com
A global fashion media company providing industry insights, resources, events, and online learning for fashion professionals, students, and entrepreneurs worldwide |
1,949 | |||
| 39 |
Institution of Engineering and Technology (IET)theiet.org
A global engineering institution with 154,000 members in 148 countries, inspiring and influencing engineers worldwide to create a better world |
1,940 | |||
| 40 |
AMamdigital.co.uk
Enriching research and teaching with digitized historical and cultural collections from libraries and archives worldwide, offering award-winning resources and education |
1,834 | |||
| 41 |
Reach plcreachplc.com
Largest UK and Ireland commercial news publisher connecting audiences through over 120 brands including national, local, and US titles. |
1,756 | |||
| 42 |
Royal Society of Chemistryrsc.org
This company advances excellence in chemical sciences, supports over 50,000 members, and is a renowned publisher of high-quality chemical science knowledge |
1,618 | |||
| 43 |
The Daily Salesthedailysales.net
Engaging B2B sales professionals across multiple platforms with entertaining, motivating, and educational content, including memes, quotes, and thought-leading blogs. |
1,610 | |||
| 44 | 1,608 | ||||
| 45 |
SBCsbcgaming.com
Global events, media, and advisory business specializing in sports, betting, and gaming industries Organizes live events, virtual conferences, news publications, and industry influencer membership |
1,605 | |||
| 46 |
The Timesthetimes.com
The company provides expert analysis and opinion on current business and technology trends through The Times and The Sunday Times |
1,601 | |||
| 47 |
Royal College of Physiciansrcp.ac.uk
Professional body improving patient care, setting medical standards, representing members, leading debates, advising government, conducting audits, publishing guidelines and maintaining professional standards for physicians |
1,520 | |||
| 48 |
ESL FACEIT Group - EFGeslfaceitgroup.com
Leading competitive games and esports company helping brands engage youth audiences through authentic activation, creating community beyond gameplay |
1,412 | |||
| 49 |
Royal College of Nursing - Companyrcn.org.uk
The company is a leading nursing union and professional body, representing over half a million nurses and nursing support workers globally |
1,408 | |||
| 50 |
Emerald Publishingemeraldgrouppublishing.com
This company challenges tradition and calls for change in the sector to create a more equitable environment with real impact |
1,304 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
BMJbmjgroup.com
Global healthcare knowledge provider improving patient outcomes through evidence, decisions, systems, prioritizing inclusion, diversity, anti-racism, and equity. |
1,281 | |||
| 52 |
The Telegraphtelegraph.co.uk
Provides award-winning, trusted journalism through print and digital platforms, including newspapers, apps, and a diversified commercial model. |
1,279 | |||
| 53 |
The Cyber Security Hub™linktr.ee
The company focuses on addressing and increasing conversations in cyber security to defend against cyber threats to critical infrastructure and businesses |
1,275 | |||
| 54 |
Haymarket Media Grouphaymarket.com
Privately-owned media and information company delivering content, data, and services to specialist audiences worldwide through multiple platforms. |
1,242 | |||
| 55 | 1,239 | ||||
| 56 |
ITV Studiositvstudios.com
Producing award-winning TV shows across multiple countries, collaborating with creators and networks to deliver diverse entertainment worldwide. |
1,238 | |||
| 57 |
Johnston Pressjohnstonpress.co.uk
This media company's news brands reach over 32 million people monthly, providing national and regional advertisers with effective digital advertising opportunities |
1,214 | |||
| 58 |
Bloomsbury Publishing Plcbloomsbury.com
Publishing house combining general fiction, non-fiction, academic, professional, and educational books with a focus on quality and global reach. |
1,195 | |||
| 59 |
International Bar Associationibanet.org
Leading global organization connecting legal practitioners, supporting law reform, human rights, judiciary independence, and professional development worldwide. |
1,190 | |||
| 60 |
Chatham Housechathamhouse.org
A leading source of independent analysis and influential ideas on international affairs, hosting events and conferences, publishing journals and magazines |
1,163 | |||
| 61 |
KTVktvlive.co.uk
An award-winning student television station at the University of Kent, offering opportunities in presenting, producing, directing, filming, editing, and creating TV shows and films |
1,098 | |||
| 62 |
LOCALiQ_UKlocaliq.co.uk
Trusted local news provider offering digital marketing services to help businesses reach new customers, backed by extensive experience and data |
1,085 | |||
| 63 |
Macmillan Educationmacmillanenglish.com
The company empowers students to shape their futures by providing innovative solutions for great teaching and advancing learning worldwide |
1,080 | |||
| 64 | 1,076 | ||||
| 65 |
British Film Institute (BFI)bfi.org.uk
Support UK storytellers, maintain largest film archive, deliver film culture programs, educate public, and promote UK screen industry growth. |
1,069 | |||
| 66 |
Sky Newsnews.sky.com
A trusted news source covering a wide range of stories globally, with a focus on politics and business, supported by correspondents in key regions |
1,065 | |||
| 67 |
The Sunthesun.co.uk
The company is a newspaper focused on quality of life, social issues, and entertainment, advocating for ordinary working people and cultural relevance |
1,049 | |||
| 68 | 1,048 | ||||
| 69 |
Institution of Mechanical Engineers (IMechE)imeche.org
Global community supporting mechanical engineers with lifelong learning, career development, innovation opportunities, and professional registration to improve the world. |
1,038 | |||
| 70 |
Sporty Groupsportygroup.com
A global consumer internet and technology company with a focus on sports media, gaming, social, and fintech platforms, driven by a diverse team of passionate individuals |
1,024 | |||
| 71 |
LOVE (a television channel)
A TLCS-licensed lifestyle channel in Polish, focused on enhancing personal and family relationships by delivering content that strengthens connections |
992 | |||
| 72 | 980 | ||||
| 73 |
Footballcofootballco.com
A team of 300+ experts in football content creation, strategy, design, and production, showcasing all aspects of the sport globally |
980 | |||
| 74 |
Which?which.co.uk
A UK-based organization focused on protecting consumers, providing impartial research, expert advice, product reviews, and advocating for consumer rights |
976 | |||
| 75 |
Fastmarketsfastmarkets.com
A leading global provider of price reporting, analytics, and events services for key commodity markets, striving for market transparency and sustainability |
950 | |||
| 76 |
Nature Portfolionature.com
This company publishes journals, databases, and online products across various scientific fields, offering news, expert opinions, research, and career resources |
936 | |||
| 77 |
BBC Media Actionbbc.co.uk
The company uses media and communication to provide trustworthy information, support independent media, and inspire positive change worldwide |
934 | |||
| 78 |
ESI Mediaesimedia.co.uk
Innovative, award-winning media business with brands such as Evening Standard and The Independent, offering cross-platform content and diverse audiences for advertisers |
899 | |||
| 79 |
Usborne Publishingusborne.com
A well-established children's book publisher with a wide range of books in multiple languages, recognized for quality and innovation in the industry |
882 | |||
| 80 |
The British Psychological Societybps.org.uk
Representative body for UK psychologists promoting excellence, ethical practice, and advancement in psychology science, education, and practical applications |
875 | |||
| 81 |
The Independentindependent.co.uk
Provides independent news coverage and digital journalism, engaging audiences through online articles and social media platforms. |
875 | |||
| 82 |
Film Industry Networkfilmindustry.network
An entertainment news and resource platform providing industry insights, tutorials, and interviews to help creative professionals succeed in the industry |
861 | |||
| 83 |
CloserStill Mediacloserstillmedia.com
Organizes over 200 B2B events and communities across multiple industries, fostering learning, networking, and growth with a dedicated team. |
850 | |||
| 84 |
Iran International ایران اینترنشنالiranintl.com
A UK-based channel launched in 2017 offering news, current affairs, documentaries, sports, lifestyle, and technology targeting diverse audiences, especially younger viewers |
830 | |||
| 85 |
Packtpacktpub.com
Helps the world put software to work by delivering effective learning and information services through thousands of videos, books, and courses on various technologies. |
824 | |||
| 86 |
Immediateimmediate.co.uk
Publishing and distributing trusted content across digital, print, video, podcasts, apps, and live events for UK consumer brands. |
816 | |||
| 87 |
DC Thomsondcthomson.co.uk
A leading UK media organization diversifying into publishing, digital technology, radio, TV, events, genealogy, cloud solutions, and a variety of media brands |
815 | |||
| 88 |
Nursing Timesnursingtimes.net
This company supports and educates nurses through a peer-reviewed journal, online resources, awards, conferences, and subscriptions for organizations to keep nurses informed and safe |
806 | |||
| 89 |
Chambers and Partnerschambers.com
Provides independent rankings and insights on law firms and lawyers worldwide through comprehensive research and analysis across jurisdictions. |
799 | |||
| 90 |
Clarion Eventsclarionevents.com
Organises and manages a diverse portfolio of 125 events and media brands worldwide, fostering growth and customer satisfaction. |
789 | |||
| 91 |
The Royal College of Psychiatristsrcpsych.ac.uk
A professional body for UK psychiatrists promoting understanding, setting standards, leading research, advocating for mental health improvements, and providing education and training |
780 | |||
| 92 | 779 | ||||
| 93 |
Brighton & Hove Albion Football Clubctfassets.net
English football club located in Brighton and Hove on the south coast of England |
777 | |||
| 94 |
BBC Monitoringmonitoring.bbc.co.uk
Global media tracking, translation, analysis, and summarization service providing essential insights for various entities since 1939 in over 100 languages |
773 | |||
| 95 |
BMClink.springer.com
An innovative open access publishing company specializing in research journals, clinical trial registry management, and partnerships with institutions and societies |
771 | |||
| 96 |
Channel 5channel5.com
Broadcasts diverse popular content including factual programs, entertainment, reality, sports, and news across multiple TV channels and on-demand services. |
771 | |||
| 97 |
Business Worksbiz-works.net
An online quarterly journal featuring positive business editorial for leaders and managers, covering leadership, management, HR, and finance topics for decision makers in leading businesses |
770 | |||
| 98 |
Archantnewsquest.co.uk
Transforming local media by connecting communities with news/lifestyle content and offering innovative marketing solutions Committed to personal development and partnership with Google |
769 | |||
| 99 |
The Royal College of Surgeons of Edinburghlinktr.ee
A global organization dedicated to advancing surgical and dental practice worldwide, with a network of 20,000 members in nearly 100 countries |
737 | |||
| 100 |
Time Outtimeout.com
Global brand curating city lifestyle content and operating editorially curated food and cultural markets in multiple international cities. |
735 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in the United Kingdom
- The largest companies in the United Kingdom 36,548
- Multinational companies in the United Kingdom 7,458
- Financial services firms in the United Kingdom 3,711
- Financial Services companies in the United Kingdom 3,696
- Retail chains in the United Kingdom 3,289
- Professional services firms in the United Kingdom 2,706
- Software Development companies in the United Kingdom 2,600
- Manufacturers in the United Kingdom 2,159
- Companies with in-house R&D in the United Kingdom 1,930
- IT Services and IT Consulting companies in the United Kingdom 1,722
- Retail companies in the United Kingdom 1,596
- IT services companies in the United Kingdom 1,583
- Hotel and hospitality groups in the United Kingdom 1,461
- Companies with a mobile app in the United Kingdom 1,411
- Consulting firms in the United Kingdom 1,298
- E-commerce companies in the United Kingdom 1,246
- Hardware manufacturers in the United Kingdom 1,239
- Family-owned companies in the United Kingdom 1,224
- Hospitality companies in the United Kingdom 1,204
- Critical infrastructure operators in the United Kingdom 1,195
- Wellness and Fitness Services companies in the United Kingdom 1,151
- Retail Apparel and Fashion companies in the United Kingdom 1,085
- Subscription businesses in the United Kingdom 1,077
- Distributors and wholesalers in the United Kingdom 1,060