Top 10 Advertising Companies in United Kingdom 2025 You Should Know

We’re tracking 63,069 Advertising companies in United Kingdom.

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Companies	Employees	HQ location	Revenue	Founded	Estimated Traffic	Industries
Informa	View 4,993 employees	🇬🇧 England\|London Inner\|London (SW)\|London SW1P, London+110	$ >1000M	1998	2,245,074	Analytics, Marketing
Asos	View 12 employees	🇬🇧 England, London+2	$ >1000M	2000	55,265	Fashion, Lifestyle
Wpp	View 5,887 employees	🇬🇧 London Borough Of Southwark, England, London+57	$ 500-1000M	1998	432,476	Consulting, Digital Media
Kantar	View 19,025 employees	🇬🇧 London Borough Of Southwark, England, London+133	$ 500-1000M	2017	1,599,039	Consulting, Market Research
Froneri	View 1,273 employees	🇬🇧 Leeming Bar Industrial Estate+41	$ 500-1000M	2016	44,853	Food Processing, Food and Beverage
Peacocks	View 1,348 employees	🇬🇧 Cardiff+7	$ 500-1000M	1884	7,629,999	Marketing, Advertising
Mindshare	View 7,972 employees	🇬🇧 London Borough Of Southwark, England, London+39	$ 500-1000M	1999	235,803	Digital Media, Media and Entertainment
PerformanceMarketingWorld	View 3 employees	🇬🇧 London Borough Of Newham, England, London+3	$ 500-1000M	2021	25,800	Advertising, Marketing
Zenith	View 4,054 employees	🇬🇧 London Borough Of Hammersmith And Fulham, England, London+48	$ 500-1000M	1988	19,758	Consulting, Social Media
Carat	View 3,042 employees	🇬🇧 London Borough Of Camden, England, London+40	$ 500-1000M	1968	16,000	Advertising, Marketing
Informa	View 4,993 employees	🇬🇧 England\|London Inner\|London (SW)\|London SW1P, London+110	$ >1000M	1998	2,245,074	Analytics, Marketing
Asos	View 12 employees	🇬🇧 England, London+2	$ >1000M	2000	55,265	Fashion, Lifestyle
Wpp	View 5,887 employees	🇬🇧 London Borough Of Southwark, England, London+57	$ 500-1000M	1998	432,476	Consulting, Digital Media
Kantar	View 19,025 employees	🇬🇧 London Borough Of Southwark, England, London+133	$ 500-1000M	2017	1,599,039	Consulting, Market Research
Froneri	View 1,273 employees	🇬🇧 Leeming Bar Industrial Estate+41	$ 500-1000M	2016	44,853	Food Processing, Food and Beverage
Peacocks	View 1,348 employees	🇬🇧 Cardiff+7	$ 500-1000M	1884	7,629,999	Marketing, Advertising
Mindshare	View 7,972 employees	🇬🇧 London Borough Of Southwark, England, London+39	$ 500-1000M	1999	235,803	Digital Media, Media and Entertainment
PerformanceMarketingWorld	View 3 employees	🇬🇧 London Borough Of Newham, England, London+3	$ 500-1000M	2021	25,800	Advertising, Marketing
Zenith	View 4,054 employees	🇬🇧 London Borough Of Hammersmith And Fulham, England, London+48	$ 500-1000M	1988	19,758	Consulting, Social Media
Carat	View 3,042 employees	🇬🇧 London Borough Of Camden, England, London+40	$ 500-1000M	1968	16,000	Advertising, Marketing

1. Informa

Informa, based in London, UK, is a leading global player in the events and publishing industry, specializing in the dissemination of knowledge and information across a variety of sectors, including advertising. The company leverages its expertise in organizing large-scale exhibitions, conferences, and training events to connect professionals and foster innovative ideas within the advertising community. Their approach helps professionals in this sector to stay ahead of market trends and effective advertising strategies, thereby enhancing business growth and networking opportunities in the UK and globally.

Location 🇬🇧 England\|London Inner\|London (SW)\|London SW1P, London	Size View 4,993 employees
Revenue $ >1000M	Industries Data and Analytics, Sales and Marketing, Advertising, Internet Services, Media and Entertainment
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2. Asos

Asos, headquartered in London, is a prominent online fashion and cosmetic retailer known for its extensive range of clothing, accessories, and beauty products. This company stands out in the UK’s vibrant advertising landscape due to its innovative marketing strategies, which include dynamic digital campaigns and a strong social media presence that resonates well with a young, fashion-forward audience. Asos leverages advanced data analytics to tailor its advertising efforts, ensuring maximum engagement and customer retention.

Location 🇬🇧 England, London	Size View 12 employees
Revenue $ >1000M	Industries Clothing and Apparel, Design, Community and Lifestyle, Sales and Marketing, Advertising
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3. Wpp

WPP, based in London, UK, stands as a titan in the advertising and public relations sector. As a multinational conglomerate, WPP’s network spans across numerous agencies that specialize in all facets of marketing, communications, and consulting. In the competitive field of advertising, WPP prides itself on innovative strategies and creative solutions that empower clients globally to achieve impactful brand presence and sustainable growth. Their expertise is sought after by some of the world’s most influential brands, underlining WPP’s role as a bellwether in the evolution of advertising dynamics.

Location 🇬🇧 London Borough Of Southwark, England, London	Size View 5,887 employees
Revenue $ 500-1000M	Industries Professional Services, Sales and Marketing, Media and Entertainment, Advertising
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4. Kantar

Kantar, headquartered in London, UK, is a renowned data analytics and brand consulting company deeply ingrained in the advertising industry. They provide advanced insights that help brands comprehend market dynamics, enhance their digital strategies, and measure the effectiveness of their advertising. Kantar’s services equip businesses with the necessary tools to optimize their marketing initiatives and achieve better returns on investment, making them indispensable in the ever-evolving backdrop of global advertising.

Location 🇬🇧 London Borough Of Southwark, England, London	Size View 19,025 employees
Revenue $ 500-1000M	Industries Data and Analytics, Design, Professional Services, Sales and Marketing, Advertising
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5. Froneri

Froneri, based in the UK, stands out in the competitive advertising landscape of the frozen dessert sector. As a global ice cream and frozen treats manufacturer, Froneri effectively leverages innovative marketing strategies to enhance product appeal and drive consumer engagement across various markets. Their ability to blend creative advertising with bold flavors and new product formats consistently positions them as a leader in the industry. Froneri’s marketing campaigns are crafted to resonate well with diverse consumer bases, boosting brand visibility and market share in the UK and beyond.

Location 🇬🇧 Leeming Bar Industrial Estate	Size View 1,273 employees
Revenue $ 500-1000M	Industries Food and Beverage, Sales and Marketing, Advertising
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6. Peacocks

Peacocks, headquartered in the UK, stands as a prominent player in the retail fashion sector. Despite its core business focusing on budget-friendly clothing, Peacocks has made significant strides in leveraging advertising to enhance its market presence and attract a diverse customer base. Their strategic use of both traditional and digital advertising platforms allows them to effectively communicate their value propositions, particularly highlighting their affordability and style, which are crucial in maintaining competitiveness in the fast-paced retail industry. Peacocks’ advertising efforts are tailored to resonate with consumers across various demographics, reinforcing their brand identity in the UK and beyond.

Location 🇬🇧 Cardiff	Size View 1,348 employees
Revenue $ 500-1000M	Industries Sales and Marketing, Advertising
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7. Mindshare

Mindshare, based in London, stands out as a global leader within the advertising industry. Renowned for its expertise in media planning and buying, Mindshare leverages a unique blend of technology and creativity to maximize campaigns across various channels. Their strategic approach ensures that brands not only reach but resonate with their target audiences effectively. In the UK, Mindshare continues to pioneer with advanced analytics and tailored advertising solutions, maintaining a strong commitment to driving client success amidst rapidly evolving market conditions.

Location 🇬🇧 London Borough Of Southwark, England, London	Size View 7,972 employees
Revenue $ 500-1000M	Industries Media and Entertainment, Sales and Marketing, Video, Advertising, Internet Services
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8. PerformanceMarketingWorld

PerformanceMarketingWorld, based in the UK, serves as a comprehensive hub for the latest insights and trends in the global advertising industry. They offer their audience up-to-date news, in-depth analysis, and expert commentary, addressing the evolving needs of marketers across diverse verticals. By providing resources like webinars, interviews, and case studies, PerformanceMarketingWorld equips advertising professionals with essential tools to enhance their campaigns and drive business growth effectively.

Location 🇬🇧 London Borough Of Newham, England, London	Size View 3 employees
Revenue $ 500-1000M	Industries Advertising, Sales and Marketing, Internet Services
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9. Zenith

Zenith, part of the global media giant Publicis Media, is headquartered in London and specialises in media planning and buying, along with digital and performance marketing. Renowned for leveraging data and analytics, Zenith provides strategic insights that help brands optimize their advertising investments across multiple platforms. Their approach focuses on driving ROI for clients in the competitive advertising sector, making them a leading choice for businesses looking to enhance their market presence in the UK and beyond.

Location 🇬🇧 London Borough Of Hammersmith And Fulham, England, London	Size View 4,054 employees
Revenue $ 500-1000M	Industries Professional Services, Internet Services, Media and Entertainment, Sales and Marketing, Advertising
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10. Carat

Carat, based in London, UK, is a prominent player in the dynamic field of advertising. As a global media planning and buying specialist, Carat crafts strategic media solutions that drive remarkable business growth. Their expertise in blending data-driven insights with deep understanding of consumer behavior enables them to deliver tailored advertising campaigns that resonate effectively across various markets. Carat’s innovative approach ensures they continue to lead and shape the advertising industry by consistently delivering competitive advantage and substantial value for their clients.

Location 🇬🇧 London Borough Of Camden, England, London	Size View 3,042 employees
Revenue $ 500-1000M	Industries Advertising, Sales and Marketing, Media and Entertainment, Internet Services, Professional Services
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