Top 100 SEO Companies in Ontario
The Best of April 2026Looking for a top SEO firm in Ontario?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Ontario. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Ontario SEO Firms
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421$1,000+2 - 9 employeesToronto, CanadaBetterwithtrevor.ca is a SEO company. Founded in 2023, their team specializes in Search Engine Optimization and Web Design.Read More
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422$1,000+2 - 9 employeesToronto, CanadaRead More
Web design company Idea Marketing is located in Vancouver, Canada. They provide web design, web development, ux/ui design, digital strategy, and more and were founded in 2008.
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423$1,000+2 - 9 employeesToronto, CanadaPay per click agency Hawkeye Digital is headquartered in Toronto, Canada. They offer Pay Per Click and Ecommerce Marketing and were founded in 2018.Read More
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424$1,000+2 - 9 employeesSt. Catharines, CanadaMac Mar is a pay per click agency. They were founded in 2019 and specialize in Pay Per Click and Search Engine Optimization.Read More
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425$1,000+2 - 9 employeesOttawa, CanadaReason 2 Design is an Email Marketing company established in 2014. The team specializes in Email Marketing and Pay Per Click.Read More
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426$1,000+2 - 9 employeesOttawa, CanadaRead More
Dmark International is a branding agency. Their small team is headquartered in Ottawa, Canada. Their team focuses on branding, social media marketing, content marketing, search engine optimization, and more.
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427$1,000+2 - 9 employeesLondon, CanadaEstablished in 2002, SmartWebPros.com Inc. Is a SEO services firm. The agency provides Search Engine Optimization and Web Design, and is small.Read More
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428Undisclosed2 - 9 employeesMississauga, CanadaSmall social media marketing company iDigi Marketing, is based in Mississauga, Canada. Their services include Social Media Marketing and Search Engine Optimization.Read More
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429Undisclosed2 - 9 employeesBrampton, CanadaSeoelinks Seo Service agency is a social media marketing agency launched in 2013. The small team focuses on Social Media Marketing and Email Marketing.Read More
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430Undisclosed2 - 9 employeesToronto, CanadaSeo Nerds - SEO | SMM | PPC | WEB | LEAD GEN, a SEO agency, was established in 2016. Located in Toronto, Canada, the team focuses on Search Engine Optimization and Pay Per Click.Read More
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431$1,000+2 - 9 employeesSarnia, CanadaQuest For Tech Digital Agency is a SEO agency. Founded in 2014, the team focuses on Search Engine Optimization and Pay Per Click.Read More
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432$1,000+2 - 9 employeesMississauga, CanadaDigit 9 is a SEO company. They are based in Mississauga, Canada and have small team of experts. Their services include Search Engine Optimization and Digital Strategy.Read More
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433$1,000+2 - 9 employeesHamilton, CanadaTech Spinach is a small SEO agency. Launched in 2019, the team provides Search Engine Optimization and Web Design.Read More
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434$5,000+10 - 49 employeesVaughan, CanadaMrkt360 is a Digital Strategy company. Their small team is headquartered in Vaughan, Canada. Their services include Digital Strategy and Email Marketing.Read More
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435$5,000+10 - 49 employeesBarrie, CanadaMarketing CoPilot, a Marketing Strategy company, was established in 2006. Based in Barrie, Canada, the team offers Marketing Strategy and Web Development.Read More
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436$1,000+2 - 9 employeesToronto, CanadaBrandalytics, a pay per click company, was launched in 2017. The small team specializes in Pay Per Click and Digital Strategy.Read More
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437$1,000+2 - 9 employeesOttawa, CanadaVertex Marketing Agency is a small Ottawa, Canada-based social media marketing firm. The team specializes in Social Media Marketing and Search Engine Optimization.Read More
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438$1,000+1,000 - 9,999 employeesToronto, CanadaNP Digital is a media planning & buying agency launched in 2017. The firm specializes in Media Planning & Buying, Search Engine Optimization, Content Marketing, Email Marketing, and more and has a large team.Read More
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FacebookIndustries
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439$1,000+10 - 49 employeesToronto, Canada3DM Digital Marketing Agency is a Toronto, Canada-based Content Marketing company. The team specializes in Content Marketing and Search Engine Optimization.Read More
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440$1,000+10 - 49 employeesWaterloo, CanadaBlack Octopus Agency is a social media marketing firm. They specialize in Social Media Marketing and Search Engine Optimization and are in Waterloo, Canada.Read More
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441$5,000+2 - 9 employeesToronto, CanadaAdvertising company New Initiatives Marketing was founded in 2009. The company specializes in Advertising and Content Marketing, and is small.Read More
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442$1,000+2 - 9 employeesBrampton, CanadaWebAxis is a PPC company. Headquartered in Brampton, Canada, the company was founded in 2012. Their services include Pay Per Click and Search Engine Optimization.Read More
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443$5,000+2 - 9 employeesToronto, CanadaInstant Salesforce is a Digital Strategy company. Established in 2010, the team provides Digital Strategy and Search Engine Optimization. The agency is in Toronto, Canada.Read More
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444$1,000+2 - 9 employeesToronto, CanadaTake Two Digital Marketing is a web design agency located in Toronto, Canada. They focus on Web Design and Digital Strategy.Read More
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445$1,000+10 - 49 employeesMilton, CanadaEstablished in 2014, Caseo is a small Content Marketing company. Their services include Content Marketing and Pay Per Click.Read More
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446$5,000+10 - 49 employeesOttawa, CanadaSEO TWIST is a Digital Strategy company. The small Ottawa, Canada-based team specializes in Digital Strategy and Pay Per Click. The agency was established in 2012.Read More
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447Undisclosed10 - 49 employeesToronto, CanadaKPI Digital Solutions is a Digital Strategy company. They offer Digital Strategy and Affiliate Marketing and were founded in 1988. The firm is located in Montréal, Canada and Toronto, Canada.Read More
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448$1,000+250 - 999 employeesToronto, CanadaCoSgn is a SEO services firm founded in 2019. The team specializes in Search Engine Optimization and Web Development and is based in Toronto, Canada.Read More
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449$1,000+2 - 9 employeesMississauga, CanadaRead More
WeDevelop is a a website development and logo design agency based in Mississauga, Canada. The agency, founded in 2019, has a team of less than ten that provides a wide range of services that include web design, logo, and SEO to various companies.
Clients
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450$1,000+10 - 49 employeesToronto, CanadaLaunched in 2017, Cybexo Inc is a small SEO agency. Their team offers Search Engine Optimization and Web Development.Read More
Industries
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Check out a SEO Company in Ontario with the most new reviews in the past 12 months.
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