Top 40 CTV Advertising Companies in London
The Best of December 2025Looking for a top CTV advertising agency in London?
CTV advertising companies focus on delivering customized ad solutions for streaming and smart TV environments. They develop and execute advertising strategies that utilize audience data to optimize ad targeting and placement. By managing the entire process from creative development to performance analysis, these companies enable businesses to connect with viewers in a highly engaging and measurable way.
To assist you in your search for a partner, we’ve compiled this list of the top connected TV advertising services in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Connected TV Advertising Companies
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1$5,000+10 - 49 employeesLondon, EnglandOur Own Brand is a small social media marketing firm located in London, England. They offer Social Media Marketing, Branding, and Advertising and were launched in 2018.Read More
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SONOS O'Neill Ann Summers / Knickerbox ZAGGIndustries
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2$5,000+250 - 999 employeesLondon, EnglandRead More
Ninja Promo is a New York, New York-based social media marketing company. The company specializes in Social Media Marketing, Mobile & App Marketing, Other Digital Marketing, Advertising, and more and is midsize.The company was established in 2017.
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IqoniqIndustries
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3$5,000+50 - 249 employeesLondon, EnglandRead More
Established in 2015, ROAST | B Corp Certified is a SEO agency. Their midsize team is headquartered in London, England; Cape Town, South Africa; Avon, England and New York, New York. Their services include Search Engine Optimization, Social Media Marketing, Pay Per Click, Media Planning & Buying, and more.
Clients
Experian Hyperoptic World Courier, part of CencoraIndustries
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4$10,000+2 - 9 employeesLondon, EnglandOne Day Agency, a social media marketing agency, was established in 2019. The agency offers Social Media Marketing, Pay Per Click, Advertising, Content Marketing, and more and has a small team.Read More
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Femme Luxe -
5$25,000+2 - 9 employeesSeattle, WASpin Creative, a branding agency, is in Seattle, Washington; San Francisco, California and London, England. The small team offers Branding, Video Production, Advertising, and Corporate Photography. The firm was launched in 2009.Read More
Clients
AmazonIndustries
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6$5,000+10 - 49 employeesLondon, EnglandRead More
J2 (Branding & Marketing) is a branding company. Their small team is in London, United Kingdom and Bushey, United Kingdom. Their services include branding, graphic design, digital strategy, marketing strategy, and more. The company was launched in 2001.
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7$1,000+2 - 9 employeesWeybridge, EnglandRead More
Advertising company Switch Creative is located in London, United Kingdom. The small firm was established in 2014. Their team focuses on advertising, branding, content marketing, and video production.
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8$5,000+10 - 49 employeesLondon, EnglandRadiate B2B is an Advertising company. Based in London, England, their team specializes in Advertising and Social Media Marketing.Read More
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9$5,000+2 - 9 employeesLondon, EnglandFounded in 2021, Nova Digital Agency is a advertising company. Their small team is in London, United Kingdom and London, United Kingdom and specializes in advertising, branding, conversion optimization, search engine optimization, and more.Read More
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10$5,000+2 - 9 employeesLondon, EnglandNuskka Productions, a small Advertising company, is based in London, England and Vilnius, Lithuania. The team provides Advertising and Branding.Read More
Clients
Rukka Vitabiotics Vostok Europe Change PartnersIndustries
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11$10,000+50 - 249 employeesLondon, EnglandToaster is an Advertising company established in 2010. The company focuses on Advertising and Branding, and is midsize.Read More
Clients
GoogleIndustries
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12Undisclosed2 - 9 employeesLondon, EnglandSeller Sessions, an Advertising company, is in London, England and London, England. Founded in 2019, the team specializes in Advertising and Branding.Read More
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13$250,000+50 - 249 employeesLondon, EnglandFounded in 2019, ParsBiz is an advertising company. Their midsize team is in Santa Monica, California; Paris, France; München, Germany and Madrid, Spain. Their team provides advertising, branding, social media marketing, content marketing, and more.Read More
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14$10,000+50 - 249 employeesLondon, EnglandTangoo is a media planning & buying company. Established in 2021, their team specializes in Media Planning & Buying and Advertising.Read More
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15$5,000+10 - 49 employeesLondon, EnglandMabane Media Ltd is a London, United Kingdom-based advertising company. The firm offers advertising, pay per click, graphic design, ecommerce marketing, and more and is small.The firm was launched in 2018.Read More
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16$5,000+10 - 49 employeeslondon, EnglandBoulder Group is an Advertising company. They are headquartered in london, England and have small team of experts. Their services include Advertising and Marketing Strategy.Read More
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17$1,000+10 - 49 employeesSt Albans, EnglandOnBrand is a small Advertising company. They provide Advertising and Branding and were founded in 2001.Read More
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18Undisclosed250 - 999 employeesSydney, AustraliaIntegral Ad Science is an Advertising company. They provide Advertising and Branding and were launched in 2009.Read More
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19Undisclosed250 - 999 employeesCity of London, EnglandSocial media marketing agency Rakuten Advertising was launched in 1996. Based in San Mateo, California and City of London, England, the team offers Social Media Marketing and Pay Per Click.Read More
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20Undisclosed1,000 - 9,999 employeesCity of London, EnglandFreeWheel is a Content Marketing company launched in 2007. The agency specializes in Content Marketing and Mobile & App Marketing, and is large.Read More
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21Undisclosed1,000 - 9,999 employeesCity of London, EnglandZeta Global, a social media marketing firm, is in New York, New York and City of London, England. Their services include Social Media Marketing and Pay Per Click.Read More
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22Undisclosed50 - 249 employeesCity of London, EnglandCitrusAd is a PPC company. They are based in South Brisbane, Australia and City of London, England. Their team provides Pay Per Click and Advertising.Read More
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23Undisclosed50 - 249 employeesNew York, NYSharethrough is an Advertising company. They are located in Montreal, Canada and New York, New York and have midsize team. They focus on Advertising and Branding.Read More
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24Undisclosed50 - 249 employeesLondon, EnglandVidsy is a social media marketing company established in 2015. The midsize team specializes in Social Media Marketing and Advertising.Read More
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25$5,000+2 - 9 employeesLondon, EnglandMarketing Strategy company Growth Marketing Group was established in 2023. The team offers Marketing Strategy and Media Planning & Buying and is headquartered in London, England.Read More
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26Undisclosed10 - 49 employeesLondon, EnglandThe Lippin Group, an Advertising company, is located in London, England and Los Angeles, California. Their services include Advertising and Public Relations.Read More
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27$1,000+2 - 9 employeesLondon, EnglandParticular Creatives is an advertising company. The small team is based in London, United Kingdom. Their services include advertising, branding, ux/ui design, and graphic design.Read More
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28$5,000+2 - 9 employeesBrentford, London, EnglandScene 852 Productions is a video production agency. They focus on Video Production and Advertising and were founded in 2015. The firm is based in Brentford, London, England.Read More
Clients
Adidas AIA Pierre Fabre Samsung GalaxyIndustries
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29Undisclosed50 - 249 employeesLondon, EnglandLaunched in 2004, Threepipe Reply is an Advertising company. Their services include Advertising and Social Media Marketing.Read More
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30Undisclosed50 - 249 employeesLondon, EnglandSpace & Time, an Advertising company, was established in 2000. The company focuses on Advertising and Social Media Marketing.Read More
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