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.
List of the Best Ontario Ad and Marketing Companies
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391$1,000+Freelancer employeesOttawa, CanadaJD Media, a web design company, was launched in 2026. The agency offers Web Design, UX/UI Design, Advertising, Social Media Marketing, and more and has a small team. The agency is in Ottawa, Canada.Read More
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392$5,000+Freelancer employeesOttawa, CanadaBased in Ottawa, Canada, Savvy Cobra is a web development company. The small team offers web development, branding, graphic design, and web design and was established in 2023.Read More
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393Undisclosed10 - 49 employeesToronto, CanadaConcrete Design is a small Toronto, Canada-based branding agency. Their services include Branding and Graphic Design.Read More
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394Undisclosed10 - 49 employeesCambridge, CanadaMilestone Integrated Marketing is a small Cambridge, Canada-based Advertising company. Their services include Advertising and Branding.Read More
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395Undisclosed10 - 49 employeesToronto, CanadaFounded in 2012, Grassriots Inc. Is a small big data analytics company. Their team provides BI & big data consulting & SI and CRM consulting and SI.Read More
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396Undisclosed2 - 9 employeesToronto, CanadaZen Republic digital agency is a small Advertising company in FONTEFRIA (AMOEIRO), Spain; Toronto, Canada; Miami, Florida and Los Angeles, California. They provide Advertising, Marketing Strategy, Custom Software Development, Web Development, and more and were established in 2017.Read More
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397$1,000+10 - 49 employeesBrampton, CanadaCode Garage Tech is a small web development firm in Sahibzada Ajit Singh Nagar, India. Founded in 2016, the team focuses on web development, mobile app development, advertising, marketing strategy, and more.Read More
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398Undisclosed2 - 9 employeesMarkham, CanadaNET FUSION DESIGNS is a small Advertising and branding company in Markham, Canada. Their services include Advertising and Branding.Read More
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399Undisclosed50 - 249 employeesToronto, CanadaAdvertising company Juniper Park \ TBWA was launched in 1988. Located in Toronto, Canada, the team offers Advertising and Branding.Read More
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400$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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401$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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402$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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403$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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404$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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405$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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406Undisclosed10 - 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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407Undisclosed10 - 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.
Industries
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408Undisclosed10 - 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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409UndisclosedFreelancer 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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410$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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411$5,000+10 - 49 employeesToronto, CanadaRead 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 -
412Undisclosed2 - 9 employeesToronto, CanadaCINDERBLOC is a small Toronto, Canada-based branding firm. The team focuses on Branding and Logo.Read More
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413Undisclosed2 - 9 employeesToronto, CanadaUnderline Studio is a Toronto, Canada-based branding firm. Their services include Branding and Graphic Design.Read More
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414$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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415$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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416$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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417Undisclosed50 - 249 employeesToronto, CanadaMod Op is a midsize Miami, Florida-based Advertising company. The team offers Advertising and Branding.Read More
Industries
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418$10,000+50 - 249 employeesToronto, CanadaAdvertising company Blast Radius was established in 1997. The company focuses on Advertising and Digital Strategy, and is midsize.Read More
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419$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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420$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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