Top 100 Advertising Agencies in Ontario
The Best of September 2026Looking for a top advertising agency in Ontario?
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 Ontario. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best Ontario Ad and Marketing Companies
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481Undisclosed2 - 9 employeesToronto, CanadaBrandExSEO is a SEO agency. The Toronto, Canada-based firm was founded in 2000. Their team provides Search Engine Optimization and Advertising.Read More
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482Undisclosed10 - 49 employeesToronto, CanadaLivewire Communications is a small Advertising company located in Toronto, Canada. Their services include Advertising and Branding.Read More
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483Undisclosed10 - 49 employeesToronto, CanadaSmall SEO agency The Rain maker SEO, is headquartered in Toronto, Canada. Their services include Search Engine Optimization and Advertising.Read More
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484Undisclosed10 - 49 employeesToronto, CanadaToronto SEO LAB, an Advertising company, is located in Toronto, Canada. Established in 2014, the team offers Advertising and Pay Per Click.Read More
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485Undisclosed2 - 9 employeesHamilton, CanadaSmall Advertising company Wide Eyed Communications, is headquartered in Hamilton, Canada. Their services include Advertising and Branding.Read More
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486Undisclosed2 - 9 employeesPickering, CanadaNational Brands Food & Sales Marketing Inc. Is a small Advertising company launched in 1998. Their team provides Advertising and Branding.Read More
Industries
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487Undisclosed10 - 49 employeesSt. Catharines, CanadaTarget Digital Marketing is an Advertising company. They are in St. Catharines, Canada and have small team of experts. Their services include Advertising and Social Media Marketing.Read More
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488Undisclosed2 - 9 employeesLincoln, CanadaEstablished in 2020, Shomii Digital Marketing, a small Advertising company, is in Lincoln, Canada. Their team specializes in Advertising and Social Media Marketing.Read More
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489$1,000+Freelancer employeesMcKellar, CanadaWeb design company Muskoka Digital specializes in Web Design and Search Engine Optimization. They were founded in 2026.Read More
Industries
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490UndisclosedFreelancer employeesToronto, CanadaAdvertising company Peter Murray MI Marketing Consultant is in Toronto, Canada. Their services include Advertising and Branding.Read More
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491$1,000+2 - 9 employeesMarkham, CanadaWeb design company Mug Life Marketing + Creative was established in 2019. The team offers Web Design and Branding and is headquartered in Markham, Canada.Read More
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492$1,000+2 - 9 employeesMilton, CanadaHeadquartered in Milton, Canada, Ebook Visionary Publishing is an Advertising company. Established in 2024, the team focuses on Advertising and Branding.Read More
Industries
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493Undisclosed2 - 9 employeesToronto, CanadaEngineering company SE Consulting Inc was established in 2010. The small team provides Engineering and IT strategy consulting.Read More
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494Undisclosed2 - 9 employeesToronto, CanadaSmall SEO agency 416 Digital, is located in Toronto, Canada. The team offers Search Engine Optimization and Web Design.Read More
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495$5,000+2 - 9 employeesToronto, CanadaPRIMENGINE is a web design company. The company is headquartered in Toronto, Canada. Their team focuses on Web Design and Print Design.Read More
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496$1,000+2 - 9 employeesSault Ste. Marie, CanadaGLV Marketing is a small AI Consulting company located in Sault Ste. Marie, Canada. Their services include AI Consulting and Advertising.Read More
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497$1,000+Freelancer employeesToronto, CanadaKLDS is an Advertising company. They are in Toronto, Canada, and their services include Advertising and Branding.Read More
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498$5,000+2 - 9 employeesToronto, Canada80 Proof Digital is a SEO agency. The company is in Toronto, Canada. Their services include Search Engine Optimization and Web Design.Read More
Industries
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499Undisclosed2 - 9 employeesToronto, CanadaYoutalkmedia is an Advertising company headquartered in Toronto, Canada. The team offers Advertising and Search Engine Optimization.Read More
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500Undisclosed2 - 9 employeesHamilton, CanadaBusiness Consulting company FlyPrint is in Hamilton, Canada. They provide Business Consulting and Advertising and were established in 2007.Read More
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501Undisclosed2 - 9 employeesToronto, CanadaSmall Advertising company I Pro Advisers, is located in Toronto, Canada. Their services include Advertising and CRM consulting and SI.Read More
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502Undisclosed2 - 9 employeesToronto, CanadaThe Leads Hub is an Advertising company. In Toronto, Canada, the team provides Advertising and Digital Strategy.Read More
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503$10,000+10 - 49 employeesToronto, CanadaCAVR is an AR/VR development company founded in 2017. Located in Toronto, Canada, the team provides AR/VR development and Advertising.Read More
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504Undisclosed2 - 9 employeesToronto, CanadaVusionVR, a small AR/VR development company, is based in Toronto, Canada. Their services include AR/VR development and Advertising.Read More
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505$5,000+50 - 249 employeesToronto, CanadaFounded in 2001, Media Kitchen is a midsize New York, New York-based media planning and buying agency. Their team offers Media Planning & Buying and Advertising.Read More
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506UndisclosedFreelancer employeesOttawa, CanadaOntario Digital Solutions, a web design agency, focus on Web Design and Web Development. They were founded in 2025.Read More
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507Undisclosed2 - 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
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508Undisclosed2 - 9 employeesToronto, CanadaGreenhouse SEO, a small Advertising company, is in Toronto, Canada. The team provides Advertising and Search Engine Optimization.Read More
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509Undisclosed2 - 9 employeesMarkham, CanadaHeadquartered in Markham, Canada, Crea Digital is a small Advertising company. Their services include Advertising and Web Development.Read More
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510Undisclosed2 - 9 employeesNorth Bay, CanadaLittle Lisa Big Designs is a branding company. Established in 2007, their team provides Branding and Social Media Marketing.Read More
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