Top Programmatic Advertising Companies in London
London’s ad scene is legendary—from the creative agencies of Soho to data-driven teams in Shoreditch’s Tech City. If you’re looking to scale campaigns with real-time bidding, audience targeting, or cross-channel attribution, a trusted London programmatic partner can make the difference.
Clutch lets you sort through hundreds of providers by budget, industry, and client ratings. Every review on our platform is the result of a structured interview and rigorous verification, so you see the whole story—scope, outcomes, and client satisfaction. Use the filters on the left to narrow your search by hourly rate, minimum project size, or speciality such as display advertising or programmatic media buying.
Want to find other opportunities? Explore the global list of Top Programmatic Advertising Companies.
Wish to find a nearby partner? Compare northern England options like Manchester digital advertising agencies.
Need healthcare expertise? Filter for medical verticals in London programmatic firms for healthcare.
Your project requires broader expertise? Dive into the best digital marketing companies in London.
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$5,000+$100 - $149 / hr50 - 249London, England
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See all 16 projectsROAST is a dynamic advertising agency specializing in paid media and comprehensive digital marketing services. With a focus on enhancing revenue through strategic media buying and optimizing campaigns, ROAST has received 100% positive feedback. Clients praise their timely project management and impressive approachability, with 50% of reviewers highlighting their ability to significantly increase ROI and performance metrics.
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$5,000+$50 - $99 / hr250 - 999London, England
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See all 81 projectsNinja Promo is an advertising agency specializing in paid marketing, branding, and social media management. They have received a mix of feedback, with around 67% positive reviews highlighting improved lead quality, efficient ad spend, and strong project management. However, 33% of the reviews indicate issues with campaign execution and communication. Ninja Promo is noted for aligning closely with client goals and delivering comprehensive advertising solutions.
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$5,000+$50 - $99 / hr2 - 9London, England
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See all 31 projectsYouYaa is a marketing and PR agency specializing in brand development, digital marketing strategies, and public relations for various sectors, including finance, technology, and gaming. Reviews highlight a 100% satisfaction rate with their strategic and tailored approach, delivering significant outcomes such as increased brand visibility, social media growth, and lead generation. Clients commend YouYaa's dedicated project management and transparent communication, with many noting their genuine investment in client success and alignment with business values.
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$10,000+Undisclosed2 - 9London, England
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See all 6 projectsOne Day Agency is a professional advertising agency specializing in paid media and digital marketing services. According to client reviews, 100% of feedback is positive, highlighting the agency's expertise in media buying and their ability to exceed user acquisition goals by over 30% while reducing costs. Clients appreciate their effective communication and experienced team.
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$25,000+$200 - $300 / hr2 - 9London, England
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See all 15 projectsSpin Creative is a video production company specializing in creating engaging and high-quality visual content for a diverse range of clients. They consistently receive positive feedback for their professionalism, creativity, and ability to capture clients' visions, with 100% of reviewers highlighting their effective project management and collaborative approach. Clients particularly appreciate their ability to deliver under tight deadlines and their commitment to understanding and conveying strategic goals.
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$5,000+$100 - $149 / hr10 - 49London, England
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See all 2 projectsBMAS Social is a social media agency known for designing comprehensive social media strategies, including organic and paid campaigns on platforms like Facebook and Instagram. Reviews highlight their strong work ethic, creativity, and effective communication, with 100% of clients expressing satisfaction and appreciating their flexibility and dedication to aligning with brand objectives.
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$5,000+$150 - $199 / hr10 - 49London, England
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See all 1 projectsJ2 (Branding & Marketing) is a branding and marketing agency known for its expertise in creating cohesive brand platforms and compelling campaign materials. Their work has been well-received, showcasing a strong understanding of client values and needs. Reviewers highlight their effective project management and collaboration, with a 100% positive feedback rate, though pricing is noted as an area for potential improvement.
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$1,000+$25 - $49 / hr10 - 49London, England
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See all 6 projectsMARODON is a versatile video production company specializing in creating explainer videos, 3D product features, and social media marketing content. With over 90% positive feedback, clients consistently praise their professionalism, quick response times, and ability to deliver high-quality, creative solutions within budget and deadlines. While minor script adherence issues were noted, MARODON's commitment to client satisfaction and multilingual capabilities are frequently highlighted.
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$5,000+$150 - $199 / hr10 - 49London, England
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Radiate B2B is an Advertising company. Based in London, England, their team specializes in Advertising and Social Media Marketing.
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$25,000+Undisclosed50 - 249London, England
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Mobkoi is an Advertising company. The team offers Advertising and Marketing Strategy, and the company is based in New York, New York and London, England.
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$1,000+$25 - $49 / hr10 - 49London, England
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See all 2 projectsYiva Digital specializes in social media marketing, offering services that include creating engaging content and managing campaigns. The company is highly regarded for its efficient, well-structured approach, creativity, and ability to connect with target audiences. Clients consistently appreciate their competitive pricing and the value delivered.
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$5,000+$50 - $99 / hr2 - 9London, England
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Nuskka Productions, a small Advertising company, is based in London, England and Vilnius, Lithuania. The team provides Advertising and Branding.
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$1,000+$25 - $49 / hr2 - 9London, England
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The One Stop Marketing LTD is an Advertising company. Their small team of employees is located in London, England. Their team specializes in Advertising and Pay Per Click.
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$5,000+$100 - $149 / hr2 - 9London, England
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Trendt , a social media marketing company, is in London, England. The team provides Social Media Marketing and Advertising.
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$25,000+$50 - $99 / hr10 - 49London, England
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See all 3 projectsDependopolis Consulting Limited is a strategic consulting firm specializing in comprehensive brand strategy, digital transformation, and IT optimization. With 100% positive feedback, clients commend their professionalism, attention to detail, and commitment to results. They excel in project management and communication, although some clients suggest adding local team members for enhanced collaboration.
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$1,000+Undisclosed10 - 49London, England
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See all 1 projectsJapanBuzz offers Japanese influencer marketing and social media management services across platforms such as Instagram, Facebook, and YouTube. The overall feedback highlights their market knowledge, responsiveness, and adherence to deadlines. Clients appreciate JapanBuzz's cultural fit and alignment with company values, resulting in high website traffic and successful project outcomes.
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$250,000+$300+ / hr50 - 249London, England
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See all 1 projectsParsBiz specializes in social media marketing, branding, and promotions, offering comprehensive advertising services. Reviews highlight their effective strategies in increasing brand awareness, customer engagement, and website traffic, with clients praising their impressive project management and campaign effectiveness. However, there is room for improvement in reporting granularity and response times.
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$1,000+$50 - $99 / hr2 - 9London, England
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Adverge Media is a London, England-based social media marketing firm. Founded in 2024, the team specializes in Social Media Marketing and Pay Per Click.
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$1,000+$25 - $49 / hr50 - 249London, England
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Launched in 2021, Cosmo Inc is a midsize Austin, Texas-based Digital Strategy company. Their services include Digital Strategy and Social Media Marketing.
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$5,000+$300+ / hr10 - 49London, England
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See all 1 projectsMabane Media Ltd is a marketing agency specializing in paid advertising, particularly Google and Facebook ads. The company is highly praised for its exceptional results and client-focused approach, with 100% positive feedback from reviewers who commend their expertise, creativity, and effective communication. Mabane Media Ltd stands out for its ability to deliver customized marketing strategies that exceed client expectations.
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$1,000+$25 - $49 / hr2 - 9London, England
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Founded in 2024, Gain Traction Consultancy Ltd is an Email Marketing company. The firm specializes in Email Marketing and Fractional CMO Services.
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$5,000+Undisclosed10 - 49london, England
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Boulder Group is an Advertising company. They are headquartered in london, England and have small team of experts. Their services include Advertising and Marketing Strategy.
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UndisclosedUndisclosed250 - 999London, England
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Integral Ad Science is an Advertising company. They provide Advertising and Branding and were launched in 2009.
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UndisclosedUndisclosed1,000 - 9,999City of London, England
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IProspect is an Advertising company founded in 1996. The agency focuses on Advertising and Social Media Marketing, and is large.
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UndisclosedUndisclosed250 - 999City of London, England
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Social 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.
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UndisclosedUndisclosed1,000 - 9,999City of London, England
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FreeWheel is a Content Marketing company launched in 2007. The agency specializes in Content Marketing and Mobile & App Marketing, and is large.
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UndisclosedUndisclosed50 - 249City of London, England
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Tomorrow Advertising is an Advertising company. Headquartered in City of London, England, the agency focuses on Advertising and Social Media Marketing.
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UndisclosedUndisclosed250 - 999City of London, England
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LS Digital Group is a Navi Mumbai, India-based Advertising company. The team specializes in Advertising and Marketing Strategy.
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UndisclosedUndisclosed50 - 249London, England
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Everybody Agency, a midsize Advertising company, is headquartered in London, England. Their services include Advertising and Branding.
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UndisclosedUndisclosed50 - 249London, England
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Advertising company Madano was launched in 2004. The company focuses on Advertising and Branding.
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UndisclosedUndisclosed50 - 249London, England
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Launched in 2007, Skimlinks is an Advertising and Affiliate Marketing company. Their team offers Advertising and Affiliate Marketing.
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$1,000+$25 - $49 / hr10 - 49St Albans, England
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OnBrand is a small Advertising company. They provide Advertising and Branding and were founded in 2001.
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UndisclosedUndisclosed10 - 49London, England
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DataDrives Media is a small Advertising company launched in 2014. Their team provides Advertising and IT strategy consulting.
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UndisclosedUndisclosed10 - 49London, England
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DemandMore is a social media marketing firm. The firm is in London, England. Their services include Social Media Marketing and Pay Per Click.
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$1,000+$25 - $49 / hr2 - 9London, England
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Ecomscraper is a pay per click company. The agency is headquartered in London, England. Their services include Pay Per Click and Advertising.
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$1,000+$150 - $199 / hr2 - 9London, England
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See all 3 projectsParticular Creatives is a branding and design agency, praised for its effective rebranding, website design, and online advertising. With 100% positive feedback, clients commend their attention to detail, communication, and alignment with company values. Their ability to deliver timely and impactful results, while maintaining a strong understanding of clients' missions, is frequently highlighted.
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UndisclosedUndisclosed50 - 249London, England
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Launched in 2004, Threepipe Reply is an Advertising company. Their services include Advertising and Social Media Marketing.
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UndisclosedUndisclosed50 - 249London, England
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Space & Time, an Advertising company, was established in 2000. The company focuses on Advertising and Social Media Marketing.
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Undisclosed< $25 / hr2 - 9London, England
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SalonForge is a website development company. They were founded in 2025 and offer Web Development and Advertising.
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UndisclosedUndisclosed10 - 49London, England
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Agency Stack is a small social media marketing agency in London, England and Prahran, Australia. The team provides Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9London, England
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Mediatative Digital Marketing, a small Advertising and PPC agency, is based in London, England. Their services include Advertising and Pay Per Click.
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$1,000+Undisclosed2 - 9London, England
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Business Consulting company Axiom Foundry was founded in 2022. The agency provides Business Consulting and Digital Strategy, and is small.
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$5,000+$100 - $149 / hr2 - 9Buckinghamshire, England
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See all 9 projectsAdvant Technology Ltd is an advertising agency specializing in programmatic advertising and media buying across various channels, including audio, video, and native advertising. The company is recognized for its innovative solutions and responsiveness, consistently meeting deadlines and delivering impressive results such as a ROAS of 2.8x and increased site traffic. Clients commend their expertise, with 100% positive feedback and no areas for improvement identified.
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$5,000+$100 - $149 / hr10 - 49Haywards Heath, England
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See all 13 projectsSalesSource is an advertising agency specializing in marketing strategies, promotions, and outbound sales activities. Client reviews emphasize their professionalism, technical knowledge, and adaptability. With a team of 2-5 employees, they have demonstrated a 50% outreach acceptance rate and strong communication, making them a reliable partner for advertising services. Positive feedback is prevalent, with no significant areas for improvement noted.
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UndisclosedUndisclosed2 - 9Gillingham, England
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Roofers Reach, an Advertising company, is located in Gillingham, England. Their services include Advertising and Branding.
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UndisclosedUndisclosed10 - 49Brighton and Hove, England
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Sampl is an Advertising company founded in 2020. Their team focuses on Advertising and Market Research.
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UndisclosedUndisclosed250 - 999City of London, England
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WideOrbit is a midsize Advertising company in San Francisco, California and City of London, England. The team provides Advertising and Marketing Strategy.
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List of the Top 8 London Programmatic Advertisers
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$5,000+$100 - $149 / hr50 - 249London, England
Ability to deliver
39.4/40.019.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Advertising50% Programmatic advertising90% Marketing -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Advertising20% Programmatic advertising40% Marketing50% Other -
$5,000+$50 - $99 / hr2 - 9London, England
Ability to deliver
36.3/40.017/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
10% Advertising50% Programmatic advertising70% Marketing20% Other -
$10,000+Undisclosed2 - 9London, England
Ability to deliver
29.2/40.016.2/20 Reviews7.6/10 Clients & Experience5.5/10 Market PresenceService focus
20% Advertising25% Programmatic advertising50% Marketing30% Other -
$25,000+$200 - $300 / hr2 - 9London, England
Ability to deliver
30.3/40.015.8/20 Reviews8.4/10 Clients & Experience6.1/10 Market PresenceService focus
25% Advertising15% Programmatic advertising35% Marketing40% Other -
$5,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
20.2/40.016.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
25% Advertising100% Programmatic advertising75% Marketing -
$5,000+$150 - $199 / hr10 - 49London, England
Ability to deliver
25.7/40.016.2/20 Reviews4.6/10 Clients & Experience4.9/10 Market PresenceService focus
10% Advertising10% Programmatic advertising40% Marketing50% Other -
$1,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
20.8/40.016.8/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
40% Advertising20% Programmatic advertising40% Marketing20% Other -
$5,000+$150 - $199 / hr10 - 49London, England
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14.3/40.00/20 Reviews6.9/10 Clients & Experience7.3/10 Market PresenceService focus
40% Advertising90% Programmatic advertising60% Marketing -
$25,000+Undisclosed50 - 249London, England
Ability to deliver
12.6/40.00/20 Reviews5.9/10 Clients & Experience6.7/10 Market PresenceService focus
60% Advertising100% Programmatic advertising40% Marketing -
$1,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
12.5/40.00/20 Reviews7/10 Clients & Experience5.5/10 Market PresenceService focus
15% Advertising50% Programmatic advertising50% Marketing35% Other -
$5,000+$50 - $99 / hr2 - 9London, England
Ability to deliver
12.8/40.00/20 Reviews8.8/10 Clients & Experience4/10 Market PresenceService focus
20% Advertising18% Programmatic advertising40% Marketing40% Other -
$1,000+$25 - $49 / hr2 - 9London, England
Ability to deliver
8.6/40.00/20 Reviews4/10 Clients & Experience4.6/10 Market PresenceService focus
25% Advertising50% Programmatic advertising65% Marketing10% Other -
$5,000+$100 - $149 / hr2 - 9London, England
Ability to deliver
7.3/40.00/20 Reviews2.7/10 Clients & Experience4.6/10 Market PresenceService focus
10% Advertising50% Programmatic advertising61% Marketing29% Other -
$25,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
29.8/40.016.6/20 Reviews8.3/10 Clients & Experience4.9/10 Market PresenceService focus
20% Advertising70% Programmatic advertising50% Marketing30% Other -
$1,000+Undisclosed10 - 49London, England
Ability to deliver
7.9/40.00/20 Reviews1.4/10 Clients & Experience6.5/10 Market PresenceService focus
10% Advertising20% Programmatic advertising60% Marketing30% Other -
$250,000+$300+ / hr50 - 249London, England
Ability to deliver
7.2/40.00/20 Reviews2.1/10 Clients & Experience5.2/10 Market PresenceService focus
10% Advertising20% Programmatic advertising40% Marketing50% Other -
$1,000+$50 - $99 / hr2 - 9London, England
Ability to deliver
4.6/40.00/20 Reviews0/10 Clients & Experience4.6/10 Market PresenceService focus
10% Advertising100% Programmatic advertising90% Marketing -
$1,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
10% Advertising40% Programmatic advertising50% Marketing40% Other -
$5,000+$300+ / hr10 - 49London, England
Ability to deliver
30.2/40.016.2/20 Reviews9.2/10 Clients & Experience4.8/10 Market PresenceService focus
40% Advertising10% Programmatic advertising30% Marketing30% Other -
$1,000+$25 - $49 / hr2 - 9London, England
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
10% Advertising45% Programmatic advertising50% Marketing40% Other -
$5,000+Undisclosed10 - 49london, England
Ability to deliver
4.6/40.00/20 Reviews0/10 Clients & Experience4.6/10 Market PresenceService focus
20% Advertising20% Programmatic advertising40% Marketing40% Other -
UndisclosedUndisclosed250 - 999London, England
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
25% Advertising50% Programmatic advertising75% Marketing
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London Programmatic Advertising Agency FAQs
London combines deep talent pools from universities like LSE and Imperial with proximity to global holding companies (WPP, Publicis, Omnicom). A local programmatic advertising partner offers:
- Faster in-person strategy sessions in Canary Wharf or Old Street
- Firsthand insight into U.K. privacy regulations and ASA advertising standards
- Access to exclusive events such as Programmatic Pioneers Summit or IAB UK Engage
For brands targeting EMEA, a London-based agency often bridges cultural and time-zone gaps better than overseas teams.
Pricing is usually structured as a percentage of ad spend plus a monthly service fee. According to Clutch pricing data, clients can expect:
- Management fees: £3,000 – £10,000 per month for SMBs
- Percent of media: 10% – 20% of spend (lower for large budgets)
- Hourly consulting: £100 – £150 for strategic audits
London rates trend about 15% higher than the U.K. average but remain competitive with New York or San Francisco while delivering access to Europe’s largest advertising market.
Given London’s globally-connected and growth-driven economy, many programmatic advertising teams regularly work with clients from industries such as:
- Fintech and banking (City of London)
- E-commerce and retail (Oxford Street flagships to DTC startups)
- Entertainment and sport (Premier League clubs, West End theatres)
- Travel and hospitality (Heathrow hubs, global hotel chains)
Niche specialists also focus on B2B SaaS, healthcare, and luxury fashion.
- Define your project’s objectives and KPIs—i.e., CPA, ROAS, or incremental reach.
- Review their Clutch profiles and case studies for vertical matches (e.g., fintech or FMCG).
- Ask about their tech stack: are they DSP-agnostic or tied to one platform?
- Request for transparency on fees and data ownership.
- Check for local certifications—Google Marketing Platform Partner, IAB Gold Standard.
Clutch can help you cut through the clutter and choose the right partner. We’ve prepared data-driven thought leader resources and filters to give you insights that could help you narrow your options.
- “Black-box” reporting with no log-level data access
- 100% reliance on managed-service DSPs without in-house traders
- Unrealistic guarantees (“We’ll cut CPMs by 70% in a week”)
- Lack of GDPR compliance or vague data-processing agreements
- Limited experience with cross-device or CTV buying despite claiming omnichannel expertise
It’s a must to identify, address, and avoid red flags as soon as possible. If you spot any of these warning signs, don’t hesitate to continue your search.