Top 100 Advertising Agencies in Ontario

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Top 100 Advertising Agencies in Ontario

The Best of October 2026

Looking 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. 

Jump to Most Reviewed Companies

List of the Best Ontario Ad and Marketing Companies

  • 361
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    ReignSearch is a small Advertising company founded in 2016. Their team provides Advertising and E-Commerce Development.
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  • 362
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    Advertising company Netvatise is based in Toronto, Canada. They provide Advertising and Custom Software Development and were launched in 2005.
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  • 363
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    DMD Marketing Inc. Is a small Toronto, Canada-based web design agency. The team focuses on Web Design and Advertising.
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  • 364
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    Intellectual Design is a graphic design company. The firm is based in Toronto, Canada. Their services include Graphic Design and Advertising.
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  • 365
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Ottawa, Canada
    Advertising company Extension Marketing Inc. Was launched in 2014. Headquartered in Ottawa, Canada, the team offers Advertising and Graphic Design.
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  • 366
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    Golden Vision Training is a Corporate Training & Coaching company established in 2010. The small team specializes in Corporate Training & Coaching and Advertising.
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  • 367
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Toronto, Canada
    Small website development firm LEAD Web Studio, is based in Toronto, Canada. Their services include Web Development and Web Design.
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    Industries

  • 368
    (11 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.6

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Toronto, Canada

    LoKnow is a digital media company located in Edmonton, Canada, and Vancouver, Canada. They were founded in 2015 and have about 33 employees. They offer digital strategy and social media marketing as well as mobile and application marketing services to primarily small businesses in retail, e-commerce, and hospitality and leisure. Services include marketing-technology development and data consultancy. 

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    Clients

    FCL COOP

    Industries

  • 369
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Guelph, Canada
    Mao|marketing is an Advertising company founded in 2012. Their services include Advertising and Branding.
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  • 370
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Caledonia, Canada
    Kraken & Crow Creative Inc. Is an Advertising company established in 2022. The team focuses on Advertising and Branding and is headquartered in Caledonia, Canada.
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    Industries

  • 371
    (51 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $50,000+
    50 - 249 employees
    Toronto, Canada
    Marketing Strategy company Major Tom is based in New York, New York; Toronto, Canada; Vancouver, Canada and San Jose, California. Founded in 2000, the midsize team specializes in Marketing Strategy, Performance Marketing, Advertising, Branding, and more.
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    Clients

    The Little Potato Company SAP L'Oreal PepsiCo

    Industries

  • 372
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Vaughan, Canada
    Web development company Fibocolon was founded in 2021. The firm specializes in Web Development and Web Design, and is small.
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    Industries

  • 373
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    5.0
    $50,000+
    250 - 999 employees
    St. Jacobs, Canada
    Midsize Advertising company Marketbridge, is in Bethesda, Maryland; Framingham, Massachusetts; London, England and St. Jacobs, Canada. Launched in 1991, the team specializes in Advertising, Digital Strategy, Branding, Marketing Strategy, and more.
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    Clients

    Microsoft Guidehouse HealthEdge Chevron

    Industries

  • 374
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    2 - 9 employees
    Toronto, Canada
    C&B Studios Inc. Is a video production agency headquartered in Toronto, Canada and Victoria, Canada. They specialize in Video Production and Branding.
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    Industries

  • 375
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Ottawa, Canada
    Based in Ottawa, Canada, Ladybird-digital is a small graphic design agency. The team specializes in Graphic Design and Web Design.
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  • 376
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    Toronto, Canada
    Mash Concept is a small web design agency based in Toronto, Canada. Their services include Web Design and Branding.
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    Industries

  • 377
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Toronto, Canada
    Launched in 2021, We do your blogging for you™ is a Content Marketing company. The small team specializes in Content Marketing and Web Design.
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  • 378
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Toronto, Canada
    Wolf21 is a Content Marketing company. The Toronto, Canada-based team specializes in Content Marketing and Call Center Services.
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    Industries

  • 379
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Markham, Canada
    MadMacDesign Inc. Is a small Advertising company. They offer Advertising and Graphic Design and were established in 2002.
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  • 380
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    St. Jacobs, Canada
    Founded in 2000, Effective Edge Communications Inc. Is a branding agency. Their services include Branding and Video Production.
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  • 381
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Burlington, Canada
    Yellow Robot Marketing is a social media marketing firm. They are based in Burlington, Canada and have small team. They offer Social Media Marketing and Search Engine Optimization.
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  • 382
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Brantford, Canada
    Based in Brantford, Canada, The Design Thinking Agency is a small branding firm. The team offers Branding and Graphic Design.
    Read More
  • 383
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Mississauga, Canada
    Landmark Sport Group Inc. Is a Sports Marketing company. Their small team is in Mississauga, Canada. Their services include Sports Marketing and Advertising.
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    Industries

  • 384
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    Launched in 2020, Smith+Mason co. Is an Advertising company. The team offers Advertising and Branding.
    Read More

    Industries

  • 385
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    Advertising company Abacus Agency is headquartered in Toronto, Canada. Founded in 2016, the team offers Advertising and Branding.
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  • 386
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Toronto, Canada
    Based in Toronto, Canada, ScaleUp42 is a social media marketing agency. They specialize in Social Media Marketing and Search Engine Optimization and were launched in 2019.
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  • 387
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Oshawa, Canada
    CRM consulting and SI company Red Minstrel Marketing was established in 2022. Headquartered in Oshawa, Canada, their small team provides CRM consulting and SI, Mobile App Development, Social Media Marketing, Pay Per Click, and more.
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    Clients

    Unavu Skillmatrix Data Monetization Lab

    Industries

  • 388
    (8 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Toronto, Canada

    ProMerit is an Advertising company. Based in Québec, Canada; Montreal, Canada; Toronto, Canada and Boston, Massachusetts, their small team focuses on Advertising, Warehousing & Distribution, Content Marketing, Pay Per Click, and more. The company was launched in 2015.

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    Industries

  • 389
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Toronto, Canada
    Founded in 2002, Mad House Inc. Is an Advertising company. The small team offers Advertising and Graphic Design.
    Read More
  • 390
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Mississauga, Canada
    Newport Sports Management Inc., a Sports Marketing company, is located in Mississauga, Canada. The team offers Sports Marketing and Advertising.
    Read More

    Industries

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