#1
Based in London, Bay Media delivers comprehensive advertising solutions with a proven track record of client satisfaction. Their team brings strategic expertise to campaign development and execution across multiple channels.
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Get Matched for FreeAdvertisingUnited KingdomLondonUpdated 2026-06-06
Finding the right advertising agency in London is easier when you have verified client reviews to guide you. Explore 54 advertising agencies in London, including top-rated Bay Media and Gifta - Influencer Marketing Agency, with real client feedback covering quality, responsiveness, and results. With an average rating of 4.9★, 1833 client reviews, you have real data to compare. Compare pricing, team sizes, and industry focus to find the agency that fits your goals and budget in 2026. No paid placements.
54 agenciesAvg rating 4.8★2,554 verified reviews
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#1
Based in London, Bay Media delivers comprehensive advertising solutions with a proven track record of client satisfaction. Their team brings strategic expertise to campaign development and execution across multiple channels.
#2
Influencer marketing specialists based in London, Gifta connects brands with creators across social platforms to drive authentic engagement. With extensive experience in advertising and social media strategy, the agency delivers measurable results for clients seeking to expand their reach.
#3
Team 11-50
Digital marketing solutions tailored for London-based businesses seeking growth through strategic advertising, media buying, and social media expertise. Visionary Marketing delivers data-driven campaigns across multiple channels with proven results.
#4
London-based digital marketing firm specializing in Google Ads, SEO, and social media campaigns. Optisearch delivers advertising and media buying solutions with a 5.0 rating from 65 client reviews.
#5
Based in London, Engage Branding delivers advertising solutions with a proven track record of client satisfaction. Their approach focuses on creating meaningful brand connections that drive business results.
#6
Based in London, AD Virals Media Agency specializes in media buying and advertising services with proven results across 26 client reviews. The team delivers strategic campaign planning and execution tailored to brand objectives.
#7
Based in London, PPC Geeks specializes in digital marketing, advertising, media buying, and social media marketing services. Their team delivers strategic campaigns tailored to drive measurable results for clients.
#8
Nautilus Marketing is a full-service digital marketing agency based in London, providing bespoke digital marketing solutions for businesses of all sizes on a global scale. With a focus on user experience and client relations, they emphasize personalized attention to keep clients informed throughout the creative process.
#9
Loving Social Media is a company that specializes in managing social media presence for businesses. They offer expertise in creating effective strategies, targeted campaigns, and consistent branding across social media platforms.
#10
Connect Media Group, often referred to as CMG, is a collective of seasoned media consultants dedicated to bridging the gap between brands and their ideal advertising avenues. Our team crafts tailored strategies that resonate, engage, and make a lasting impact.
#11
Why Media is one of the UK’s and Europe’s most established design and marketing agencies, delivering progressive, creative, and technically proficient solutions across design, websites, content, and strategy. We provide bespoke branding, digital, and marketing services tailored to each client.
#12
Team 11-50
London Marketing Company is a full-service digital marketing agency located in the heart of London, Mayfair. They specialize in data-driven marketing strategies, helping businesses improve profitability and achieve growth through various services including SEO and paid campaigns.
#13
Based in London, KOTA Design Agency delivers comprehensive advertising solutions with a proven track record of client satisfaction. Their team brings strategic expertise and creative execution to campaigns across diverse industries.
#14
Byter delivers advertising and social media marketing services to brands across London. With expertise in digital strategy and media buying, the agency helps clients build their online presence through targeted campaigns.
#15
Team 1-10
Jain Marketing Vista Ltd provides digital marketing, social media management, and advertising services to businesses across London. The agency specializes in 3D, CGI, and VFX video production to enhance client campaigns.
#16
Two Spouts specializes in PPC and digital marketing solutions tailored specifically for SaaS companies operating in the London market. Their team handles advertising, media buying, and social media marketing with a proven track record reflected in their 5.0 rating across 17 client reviews.
#17
Based in London, The Modern Agency delivers comprehensive advertising solutions with a proven track record of client satisfaction. Their team specializes in strategic campaign development and brand positioning for businesses seeking measurable results.
#18
Based in London, this agency specializes in advertising and digital marketing with a track record of delivering results. Four five-star reviews reflect their commitment to client satisfaction and strategic campaign execution.
#19
Based in London, EssenceMediacom's UK and Global HQ delivers comprehensive media buying, advertising, and social media marketing services to clients worldwide. The agency maintains a 5.0-star rating across 148 client reviews.
#20
Based in London, Influence Digital delivers advertising solutions tailored to client objectives. Their 24 five-star reviews reflect a consistent approach to strategic campaign development and measurable results.
#21
With 11 five-star reviews, Collective London delivers advertising and digital marketing services to clients throughout the United Kingdom. Based in London, the agency specializes in creating targeted campaigns that drive measurable results for brands.
#22
Based in London, Paradise Agency delivers advertising solutions backed by consistent five-star client feedback. The team specializes in creating targeted campaigns that drive measurable results for brands across diverse industries.
#23
Based in London, PN Digital SEO Agency specializes in advertising and digital marketing solutions tailored to drive measurable results. With 81 client reviews averaging 4.9 out of 5 stars, the team brings proven expertise to every campaign.
#24
Medico Digital is a London-based advertising agency with a strong track record, backed by 53 client reviews averaging 4.9 out of 5. The team delivers strategic advertising solutions tailored to client needs.
#25
Based in London, Dream Digital Agency specializes in advertising solutions designed to elevate your brand's presence. With 28 five-star reviews and a 4.9 rating, they deliver strategic campaigns that drive measurable results.
#26
Based in London, The Good Marketer delivers comprehensive digital marketing solutions including advertising, media buying, and social media strategy. With 138 client reviews averaging 4.8/5, the agency brings proven expertise to brand growth across multiple channels.
#27
Iconic Digital is a London-based advertising and digital marketing agency with a 4.9/5 rating from 62 client reviews. The team specializes in creating targeted campaigns that deliver measurable results for businesses of all sizes.
#28
Based in London, (hug)london Branding delivers comprehensive advertising solutions with a proven track record across diverse industries. Their approach combines strategic insight with creative execution, consistently earning strong client satisfaction.
#29
Based in London, SideDish Media delivers advertising and digital marketing solutions with a 4.9-star rating from 41 clients. The agency specializes in developing targeted campaigns that drive measurable results for businesses seeking growth.
#30
Delivering advertising and digital marketing solutions across London, Maple Forest Marketing has built a strong reputation with a 4.8-star rating from 20 client reviews. The agency specializes in creating targeted campaigns that drive measurable results for businesses seeking growth.
54 agencies
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04 · FAQ
We currently list 54 Advertising agencies in London, United Kingdom. Browse their profiles and read verified reviews to find the right partner.
Compare agencies based on verified client reviews, campaign results, industry expertise, and pricing. Look for agencies in London with experience in advertising and a track record of delivering strong ROI.
Pricing varies by scope and agency size. Most advertising agencies charge a management fee of 10–20% of ad spend or a flat monthly retainer. Request quotes from multiple agencies in London to compare.
Yes. Many Advertising agencies in London work with remote clients. While a local agency can offer in-person meetings, remote collaboration is standard in the industry and gives you access to a wider talent pool.
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