Top 100 SEO Companies in Ontario
The Best of June 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.
Jump to Most Reviewed Companies
List of the Best Ontario SEO Firms
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421$1,000+Freelancer employeesToronto, CanadaHeadquartered in Toronto, Canada and Canada, Adam H Young is a SEO agency. They provide Search Engine Optimization and Pay Per Click and were launched in 2007.Read More
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422$5,000+2 - 9 employeesCaledonia, CanadaEstablished in 2016, Novella Creative Co. Is a small Caledonia, Canada-based SEO agency. Their team provides Search Engine Optimization and Web Design.Read More
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423$1,000+2 - 9 employeesHamilton, CanadaSocial media marketing agency HeyTony Advertising specializes in Social Media Marketing and Conversion Optimization. They were launched in 2017.Read More
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424$1,000+2 - 9 employeesToronto, CanadaORMSEO™ is a Toronto, Canada-based PR agency. Their services include Public Relations and Search Engine Optimization.Read More
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425Undisclosed2 - 9 employeesMississauga, CanadaRanking Digitally, a SEO services firm, was established in 2022. They are based in Mississauga, Canada and have a small team. Their services include Search Engine Optimization, Social Media Marketing, Pay Per Click, and Web Design.Read More
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426$1,000+2 - 9 employeesToronto, CanadaMahshid Digital Marketing is a SEO company. They are headquartered in Toronto, Canada and have small team. They specialize in Search Engine Optimization and Branding.Read More
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427Undisclosed2 - 9 employeesOttawa, CanadaEstablished in 2024, Attoli SEO is a small Ottawa, Canada-based SEO services firm. Their team specializes in Search Engine Optimization and Marketing Strategy.Read More
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428$1,000+10 - 49 employeesMississauga, CanadaHeadquartered in Mississauga, Canada, SEO Virtual Assistants is a Content Marketing company. They provide Content Marketing and Pay Per Click.Read More
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429$1,000+10 - 49 employeesMarkham, CanadaAffiliate Marketing company SEO Executor | SEO Agency in USA & Canada is headquartered in Markham, Canada. They specialize in Affiliate Marketing and Pay Per Click and were established in 2020.Read More
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430$1,000+10 - 49 employeesLondon, CanadaDigerati Labs Ltd, a small Digital Strategy company, is located in London, Canada. Their services include Digital Strategy and Social Media Marketing.Read More
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431$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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432$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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433$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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434$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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435$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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436$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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437$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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438Undisclosed2 - 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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439Undisclosed2 - 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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440Undisclosed2 - 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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441$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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442$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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443$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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444$1,000+2 - 9 employeesToronto, CanadaAuthority Pilot is a Content Marketing company. Their small team is based in Toronto, Canada. Their services include Content Marketing and Search Engine Optimization.Read More
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445$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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446$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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447$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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448$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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449$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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450$1,000+50 - 249 employeesToronto, CanadaMidsize Back Office Outsourcing company Top Virtual Assistant, is located in Brooklyn, New York; Philadelphia, Pennsylvania; Toronto, Canada and Berlin, Germany. They focus on Back Office Outsourcing, Content Writing Services, Call Center Services, Search Engine Optimization, and more and were founded in 2020.Read More
Clients
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