Top 100 Advertising Agencies in Ontario
The Best of April 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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421Undisclosed10 - 49 employeesOttawa, CanadaSEO company Digitly - Digital Marketing Agency is located in Navi Mumbai, India; Bengaluru, India; Ottawa, Canada and Sydney, Australia. The small team provides Search Engine Optimization, Advertising, Social Media Marketing, and Pay Per Click and was established in 2022.Read More
Clients
Captain FarmIndustries
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422Undisclosed10 - 49 employeesNorth Bay, CanadaEstablished in 2000, Northern Computer Services is a small Advertising company in North Bay, Canada. Their team offers Advertising and Branding.Read More
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423$10,000+50 - 249 employeesToronto, CanadaIn New York, New York and Toronto, Canada, The&Partnership is an Advertising company. Founded in 2013, the team offers Advertising and Branding.Read More
Industries
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424$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
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425$1,000+2 - 9 employeesToronto, CanadaAdvertising company Cleo Social was launched in 2018. The small team focuses on Advertising and Digital Strategy.Read More
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426Undisclosed10 - 49 employeesToronto, CanadaBranding company Clearmotive Marketing Group is headquartered in Calgary, Canada and Toronto, Canada. The team offers Branding and Digital Strategy.Read More
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427$10,000+Freelancer employeesToronto, CanadaAd Scientist Media Inc. Is an Advertising company launched in 2023. Their services include Advertising and Marketing Strategy.Read More
Industries
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428$1,000+Freelancer employeesToronto, CanadaBhagyesh Patel is a Toronto, Canada-based Advertising company. They specialize in Advertising and Market Research.Read More
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429UndisclosedFreelancer employeesLondon, CanadaGUL EDU is an Advertising company. Their team is based in London, Canada. The agency offers Advertising and Branding.Read More
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430$75,000+50 - 249 employeesToronto, CanadaRead More
ACRONYM is search marketing agency that specializes in organic and paid search. Founded in 1995, ACRONYM has over 100 employees in offices in New York, London, and Singapore.
Clients
Rosewood Hotels & ResortsIndustries
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431$1,000+10 - 49 employeesToronto, CanadaWinston Agency is a branding firm. Their small team is located in Los Angeles, California and Ciudad de México, Mexico and specializes in Branding and Advertising. The firm was established in 2023.Read More
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432Undisclosed10 - 49 employeesToronto, CanadaRoyal Canadian Design is a small Advertising company. They provide Advertising and E-Commerce Development and were established in 2017.Read More
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433$1,000+10 - 49 employeesToronto, CanadaEstablished in 2006, Media Glance is a small Advertising company. Their services include Advertising and Digital Strategy.Read More
Industries
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434$1,000+2 - 9 employeesHamilton, CanadaReveal Creative Solutions, an Advertising company, offers Advertising and Marketing Strategy. The firm is based in Hamilton, Canada.Read More
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435Undisclosed250 - 999 employeesToronto, CanadaLg2 is an Advertising company. The team provides Advertising and Branding, and the company is in Montréal, Canada and Toronto, Canada.Read More
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436$1,000+2 - 9 employeesMississauga, CanadaFounded in 2023, Maverick Marketing inc is an Advertising company. The team provides Advertising and Content Marketing.Read More
Industries
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437Undisclosed250 - 999 employeesToronto, CanadaGSW is a Toronto, Canada-based Advertising company. They specialize in Advertising and Branding and were founded in 1977.Read More
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438$10,000+50 - 249 employeesToronto, CanadaBranding firm Adrenaline Agency was established in 1998. The team offers Branding and Architectural Design.Read More
Clients
First Horizon BankIndustries
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439$1,000+2 - 9 employeesBrampton, CanadaAMO Communications, an Event Marketing company, was established in 2000. The team specializes in Event Marketing and Advertising.Read More
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440$1,000+2 - 9 employeesOttawa, CanadaArise Media Solutions, a web design agency, is based in Ottawa, Canada. Their services include Web Design and Advertising.Read More
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441$1,000+2 - 9 employeesBrampton, CanadaEstablished in 2019, Cydir is an Advertising company. The small team focuses on Advertising and Content Marketing.Read More
Industries
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442$5,000+10 - 49 employeesToronto, CanadaProtobrand, an Advertising company, was founded in 2005. They specializes in Advertising and Branding.Read More
Industries
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443$10,000+10 - 49 employeesRichmond Hill, CanadaPrime Advertising is a branding company. They are headquartered in Richmond Hill, Canada, and their services include Branding and Social Media Marketing.Read More
Industries
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444$5,000+2 - 9 employeesToronto, CanadaAlyr is a small Toronto, Canada-based Advertising company. Their services include Advertising and Search Engine Optimization.Read More
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445Undisclosed10 - 49 employeesNewmarket, CanadaMARC Advertising Inc is a Newmarket, Canada-based Advertising company. The team provides Advertising and Branding.Read More
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446Undisclosed10 - 49 employeesToronto, CanadaCellution is a small Advertising company located in Toronto, Canada. The team focuses on Advertising and Branding.Read More
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447Undisclosed2 - 9 employeesLondon, CanadaBased in London, Canada, Bali Creative is an Advertising company. Launched in 2010, the team provides Advertising and Graphic Design.Read More
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448Undisclosed10 - 49 employeesToronto, CanadaAdvertising company VMC Media was founded in 1996. The team focuses on Advertising and Media Planning & Buying and is located in Toronto, Canada.Read More
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449Undisclosed10 - 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
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450Undisclosed10 - 49 employeesToronto, CanadaTrevor peter communications ltd is an Advertising company. Their small team is based in Toronto, Canada. Their services include Advertising and Digital Strategy.Read More
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