Top 40 Advertising Agencies in London
The Best of December 2025Looking for a top advertising agency in London?
Businesses looking to develop a relationship with media outlets should consider working with an advertising agency. Beyond increasing visibility, top agencies are a gateway to a variety of crucial resources, including researchers, designers, SEO/PPC experts, and social media managers.
To assist you in your search for a partner, we’ve compiled this list of the top advertising and marketing companies in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Ad and Marketing Companies
-
1$25,000+10 - 49 employeesLondon, CanadaSparks Marketing Communications is a advertising company based in St. Jacobs, Canada. They specialize in advertising, marketing strategy, and digital strategy and were founded in 1995.Read More
Clients
ROCKWOOLIndustries
-
2Undisclosed10 - 49 employeesLondon, CanadaSlyFox Web Design and Marketing is a small Advertising company based in London, Canada. Their services include Advertising and Search Engine Optimization.Read More
-
3Undisclosed10 - 49 employeesLondon, CanadaRedRhino Inc. Is an Advertising company. They were established in 1996 and provide Advertising and Web Development.Read More
Industries
-
4$1,000+2 - 9 employeesLondon, CanadaPay per click company Digital Clicks Marketing is headquartered in London, Canada. They provide Pay Per Click and Advertising.Read More
Industries
-
5$5,000+2 - 9 employeesLondon, CanadaHuman Brand Experience Consultants is a branding agency. The London, Canada-based firm was launched in 2016. Their team provides Branding and Advertising.Read More
Industries
-
6$10,000+10 - 49 employeesLondon, CanadaTbk is a big data company founded in 2009. The firm offers BI & big data consulting & SI and Web Design, and is small.Read More
Industries
-
7Undisclosed2 - 9 employeesLondon, CanadaFounded in 1987, Link Advertising, a small Advertising company, is headquartered in London, Canada. Their services include Advertising and Social Media Marketing.Read More
-
8Undisclosed2 - 9 employeesLondon, CanadaAd Vendors is an Advertising company established in 1994. The team provides Advertising and Logo and is based in London, Canada.Read More
-
9$1,000+2 - 9 employeesLondon, CanadaSpeedi Mobile Website is a social media marketing company. The team specializes in Social Media Marketing and Mobile & App Marketing, and the company is located in London, Canada.Read More
-
10UndisclosedFreelancer employeesLondon, CanadaGUL EDU is an Advertising company. Their team is based in London, Canada. The agency offers Advertising and Branding.Read More
-
11Undisclosed10 - 49 employeesLondon, CanadaBased in London, Canada, ATMOS Marketing is an Advertising company. They provide Advertising and Web Design and were launched in 2011.Read More
-
12$5,000+2 - 9 employeesWoodstock, CanadaHeadquartered in Guelph, Canada and Woodstock, Canada, 2H Media is a Marketing Strategy company. They offer Marketing Strategy and Advertising and were established in 2017.Read More
Industries
-
13Undisclosed2 - 9 employeesLondon, CanadaGOT GAME Marketing is an Advertising company. Their small team is based in London, Canada. Their team provides Advertising and Social Media Marketing.Read More
-
14$50,000+250 - 999 employeesSt. Jacobs, CanadaMarketbridge is an Advertising company. Established in 1991, the team focuses on Advertising, Digital Strategy, Branding, Public Relations, and more. Their midsize company is Bethesda, Maryland-based.Read More
Clients
Microsoft Guidehouse HealthEdge ChevronIndustries
-
15$1,000+10 - 49 employeesKitchener, CanadaREM Web Solutions Inc. Is a Content Marketing company located in Kitchener, Canada. The company focuses on Content Marketing, Search Engine Optimization, Web Design, Web Development, and more and has a small team.The company was established in 2001.Read More
-
16$50,000+10 - 49 employeesKitchener, CanadaEstablished in 2011, Ahava Digital Group is an Advertising company. Their team specializes in Advertising and E-Commerce Development.Read More
-
17$1,000+2 - 9 employeesKitchener, CanadaAM Media is an Advertising company. The Kitchener, Canada-based agency specializes in Advertising and Branding.Read More
-
18$1,000+2 - 9 employeesKitchener, CanadaNicerz is an Advertising company headquartered in Kitchener, Canada. Their services include Advertising and Social Media Marketing.Read More
-
19Undisclosed2 - 9 employeesKitchener, CanadaConnect Us, a Business Consulting company, is located in Kitchener, Canada. The team specializes in Business Consulting and Advertising.Read More
-
20Undisclosed2 - 9 employeesBrantford, CanadaOn The Mark Local Marketing is a Brantford, Canada-based Advertising company. They provide Advertising and Pay Per Click.Read More
-
21$25,000+10 - 49 employeesGuelph, CanadaRead More
Intrigue is a digital agency based in Eastbourne, United Kingdom. Founded in 2016, the team of under 10 specializes in custom software development, graphic design, and print design.
Industries
-
22Undisclosed2 - 9 employeesBrantford, CanadaBased in Brantford, Canada, The Design Thinking Agency is a small branding firm. The team offers Branding and Graphic Design.Read More
-
23$50,000+10 - 49 employeesHamilton, CanadaRead More
Cinnamon Toast Creative + Strategy, a small web design agency, is headquartered in Ottawa, Canada and Hamilton, Canada. Launched in 2006, the team focuses on web design, branding, advertising, logo, and more.
Industries
-
24Undisclosed10 - 49 employeesCambridge, CanadaMilestone Integrated Marketing is a small Cambridge, Canada-based Advertising company. Their services include Advertising and Branding.Read More
-
25Undisclosed2 - 9 employeesSt. Jacobs, CanadaFounded in 2000, Effective Edge Communications Inc. Is a branding agency. Their services include Branding and Video Production.Read More
-
26$1,000+Freelancer employeesGuelph, CanadaFounded in 2011, Black Bike Media is a small advertising company. Their team focuses on advertising, branding, other marketing, web design, and more. The firm is headquartered in Guelph, Canada.Read More
Clients
Bruut Beer - Multi-Award Winning Dutch Beer Brand ParkIN Fitness - Personal Trainer GoldFarm Canada - One of Canada's Best MicroGreen ProducersIndustries
-
27Undisclosed10 - 49 employeesGuelph, CanadaIn Guelph, Canada, Uprising Flow is an Advertising company. The team focuses on Advertising and Branding.Read More
-
28$1,000+50 - 249 employeesHamilton, CanadaMidsize SEO agency X Times More, is in Paris, France. Launched in 2017, the team offers search engine optimization, advertising, social media marketing, web design, and more.Read More
-
29$5,000+2 - 9 employeesHamilton, CanadaEstablished in 1997, BRMG is a small Hamilton, Canada-based Advertising company. Their team provides Advertising and Branding.Read More
Industries
-
30Undisclosed2 - 9 employeesKitchener, CanadaOffice On-Demand is a Business Consulting company. Located in Kitchener, Canada, the company offers Business Consulting and Commercial Brokerage Services.Read More
Featured provider
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule Consultation