Top 100 Advertising Agencies in Ontario
The Best of February 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.
List of the Best Ontario Ad and Marketing Companies
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391$100,000+1,000 - 9,999 employeesToronto, CanadaRead More
Sid Lee is a creative agency headquartered in Montreal. It has expanded to offices in Paris, Toronto, and Culver City, Calif. since its establishment in 1993. Sid Lee employs 796 professionals that provide web design, social media marketing, digital strategy, advertising, and branding to small, mid-size, and large companies alike.
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Cirque du SoleilIndustries
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392$5,000+10 - 49 employeesToronto, CanadaSpark Growth is a social media marketing agency. Located in Toronto, Canada, the company focuses on Social Media Marketing and Advertising.Read More
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393$250,000+250 - 999 employeesMississauga, CanadaMidsize social media marketing company Viral Nation, is based in New York, New York and Mississauga, Canada. Launched in 2014, the team specializes in Social Media Marketing, Performance Marketing, Advertising, Event Marketing, and more.Read More
Clients
TencentIndustries
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394$50,000+50 - 249 employeesMississauga, CanadaEstablished in 2020, Public Label is a midsize Advertising company based in Boulder, Colorado and Mississauga, Canada. Their team focuses on Advertising and Market Research.Read More
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395$1,000+Freelancer employeesToronto, CanadaFounded in 2004, Debra Stuart is a small Toronto, Canada-based branding firm. Their services include Branding and Marketing Strategy.Read More
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396$5,000+2 - 9 employeesToronto, CanadaSimonWYHuang is an Advertising company. The company is in Toronto, Canada. Their services include Advertising and Search Engine Optimization.Read More
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397Undisclosed10 - 49 employeesToronto, CanadaAperi media, Inc., a small SEO services firm, is located in Toronto, Canada. Their services include Search Engine Optimization and Social Media Marketing.Read More
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398UndisclosedFreelancer employeesToronto, CanadaHeadquartered in Toronto, Canada, Digital Marketing with Hamad is a Direct Marketing company. Founded in 2014, the team focuses on Direct Marketing and Branding.Read More
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399Undisclosed10 - 49 employeesToronto, CanadaRead More
SmallGiants is a web development firm in London, United Kingdom. The small firm was founded in 2018. Their team provides web development, ux/ui design, application management & support, advertising, and more.
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400Undisclosed10 - 49 employeesToronto, CanadaMarket is an Advertising company. Their small team is headquartered in Toronto, Canada. Their services include Advertising and Branding.Read More
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401$5,000+2 - 9 employeesToronto, CanadaPat's Marketing is a Mobile & App Marketing company. They are in Toronto, Canada and have small team of experts. Their services include Mobile & App Marketing and Call Center Services.Read More
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402$5,000+10 - 49 employeesKochi, IndiaRead More
Founded in 2016, Maplitho Solutions is headquartered in Kochi, India with other locations in Bangalore, India; Dubai, U.A.E.; Doha, Qatar; and Riyadh, Saudi Arabia. With 14+ employees, they provide advertising, branding, and marketing strategy services.
Clients
BrownBox Global -
403Undisclosed2 - 9 employeesToronto, CanadaCINDERBLOC is a small Toronto, Canada-based branding firm. The team focuses on Branding and Logo.Read More
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404Undisclosed2 - 9 employeesToronto, CanadaUnderline Studio is a Toronto, Canada-based branding firm. Their services include Branding and Graphic Design.Read More
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405$1,000+10 - 49 employeesThunder Bay, CanadaLocated in Mumbai, India and Pithoragarh, India, KP Digital Solutions is an Advertising company. Their services include Advertising and Branding.Read More
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406$1,000+2 - 9 employeesToronto, CanadaEstablished in 2023, Media Secret Inc. Is a small Toronto, Canada-based web design company. Their team provides Web Design and Advertising.Read More
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407$1,000+50 - 249 employeesMississauga, CanadaOnta Digital Agency is an Advertising company established in 2015. Their team specializes in Advertising and Branding.Read More
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408Undisclosed50 - 249 employeesMiami, FLMod Op is a midsize Miami, Florida-based Advertising company. The team offers Advertising and Branding.Read More
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409$10,000+50 - 249 employeesAmsterdam, NetherlandsAdvertising company Blast Radius was established in 1997. The company focuses on Advertising and Digital Strategy, and is midsize.Read More
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410$1,000+Freelancer employeesBradford West Gwillimbury, CanadaBranding firm Adrian Martinez / Website Design & Digital Marketing is based in Bradford West Gwillimbury, Canada. Established in 2001, the team specializes in Branding and Search Engine Optimization.Read More
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411$1,000+Freelancer employeesToronto, CanadaSeo Toronto is an Advertising company. The Toronto, Canada-based firm was established in 2017. Their services include Advertising and Content Marketing.Read More
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412Undisclosed10 - 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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413Undisclosed10 - 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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414$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
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415$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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416$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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417Undisclosed10 - 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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418$10,000+Freelancer employeesToronto, CanadaAd Scientist Media Inc. Is an Advertising company launched in 2023. Their services include Advertising and Marketing Strategy.Read More
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419$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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420UndisclosedFreelancer 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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