Top 100 SEO Companies in Ontario
The Best of December 2025Looking 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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1231Undisclosed2 - 9 employeesToronto, CanadaSEO Republic is a web design company. They focus on Web Design and Search Engine Optimization and were established in 2008. The firm is headquartered in Toronto, Canada.Read More
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1232Undisclosed2 - 9 employeesToronto, CanadaChess SEO is a SEO agency in Toronto, Canada. They specialize in Search Engine Optimization and Social Media Marketing and were established in 2007.Read More
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1233Undisclosed2 - 9 employeesToronto, CanadaSEO services firm DomainMecca was established in 2020. The firm provides Search Engine Optimization and Pay Per Click.Read More
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1234Undisclosed10 - 49 employeesToronto, CanadaReferLinks Online Marketing is a small web design agency located in Toronto, Canada. Their services include Web Design and Digital Strategy.Read More
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1235Undisclosed10 - 49 employeesMississauga, CanadaCudest is a small Mississauga, Canada-based mobile app development company. Their services include Mobile App Development and Search Engine Optimization.Read More
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1236Undisclosed10 - 49 employeesToronto, CanadaLaunched in 2013, Digital Service Hub is a SEO services firm. The team offers Search Engine Optimization and Web Design.Read More
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1237$5,000+50 - 249 employeesToronto, CanadaAvenue Road Advertising is a web design company. The company is located in Toronto, Canada. Their team specializes in Web Design and Search Engine Optimization.Read More
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1238$25,000+10 - 49 employeesKitchener, CanadaFounded in 2008, Calashock is a small London, England-based e-commerce development company. Their services include E-Commerce Development and Search Engine Optimization.Read More
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1239$5,000+10 - 49 employeesMississauga, CanadaWesternSoftwares is a web design agency. In Mississauga, Canada and New Delhi, Canada, the firm was established in 2003. Their team specializes in Web Design and Pay Per Click.Read More
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1240$1,000+2 - 9 employeesHamilton, CanadaFoster SEO is a pay per click agency. Their small team is in Hamilton, Canada. Their team provides Pay Per Click and Search Engine Optimization.Read More
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1241$5,000+2 - 9 employeesOakville, CanadaGecko Marketing is a Content Marketing company. They provide Content Marketing and Marketing Strategy and are located in Oakville, Canada.Read More
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1242$5,000+2 - 9 employeesMississauga, CanadaThunder Rank is a small PPC agency in Mississauga, Canada. Their services include Pay Per Click and Search Engine Optimization.Read More
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1243Undisclosed2 - 9 employeesToronto, CanadaEZ Results is a Digital Strategy company. Headquartered in Toronto, Canada, the company was established in 2004. Their services include Digital Strategy and Search Engine Optimization.Read More
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1244Undisclosed2 - 9 employeesVaughan, CanadaAdvertix Web Design is a small Vaughan, Canada-based SEO services firm. Their services include Search Engine Optimization and Social Media Marketing.Read More
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1245Undisclosed2 - 9 employeesMississauga, CanadaMISSISSAUGA SEO GUY is a small SEO services firm launched in 2015. Their team focuses on Search Engine Optimization and Social Media Marketing.Read More
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1246Undisclosed2 - 9 employeesOrangeville, CanadaThe Ian Scott Group, an e-commerce development company, is in Orangeville, Canada. Their services include E-Commerce Development and Search Engine Optimization.Read More
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1247Undisclosed2 - 9 employeesPeterborough, CanadaYour Online Agents, a web design company, was founded in 2000. Headquartered in Peterborough, Canada, the team focuses on Web Design and Search Engine Optimization.Read More
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1248Undisclosed2 - 9 employeesToronto, CanadaHeadquartered in Toronto, Canada, Pixiders is a small SEO company. Their services include Search Engine Optimization and Web Design.Read More
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1249Undisclosed2 - 9 employeesMississauga, CanadaLocated in Mississauga, Canada, eCommerce Wing is a small PPC agency. Their services include Pay Per Click and Search Engine Optimization.Read More
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1250Undisclosed2 - 9 employeesToronto, CanadaSeedesign Marketing & Advertising is a Business Consulting company. They were launched in 2006, and their services include Business Consulting and Advertising.Read More
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1251Undisclosed2 - 9 employeesToronto, CanadaSites From The 6ix is a web design company. The Toronto, Canada-based company offers Web Design and Social Media Marketing.Read More
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1252Undisclosed2 - 9 employeesToronto, CanadaSmall SEO agency 416 Digital, is located in Toronto, Canada. The team offers Search Engine Optimization and Web Design.Read More
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1253Undisclosed2 - 9 employeesToronto, CanadaClickguru, a small social media marketing agency, is based in Toronto, Canada. The team provides Social Media Marketing and Search Engine Optimization.Read More
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1254Undisclosed2 - 9 employeesToronto, CanadaTuyo is a branding agency. In Toronto, Canada, their small team provides Branding and Search Engine Optimization. The agency was founded in 2023.Read More
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1255Undisclosed2 - 9 employeesMilton, CanadaFounded in 2022, City Agency, a small Digital Strategy company, is located in Jodhpur, India and Ansley, England. Their services include Digital Strategy and Social Media Marketing.Read More
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1256$5,000+10 - 49 employeesToronto, CanadaMarlik Group is a Toronto, Canada-based branding firm. They offer Branding and Pay Per Click.Read More
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1257Undisclosed10 - 49 employeesLondon, CanadaBased in London, Canada, ATMOS Marketing is an Advertising company. They provide Advertising and Web Design and were launched in 2011.Read More
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1258Undisclosed10 - 49 employeesToronto, CanadaLocated in Toronto, Canada, Search Squad is a small Advertising company. Their services include Advertising and Pay Per Click.Read More
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1259Undisclosed10 - 49 employeesToronto, CanadaUrban Dive Marketing is an Advertising company. They are headquartered in Toronto, Canada and have small team. Their services include Advertising and Business Consulting.Read More
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1260Undisclosed10 - 49 employeesToronto, CanadaGrassroots is an Advertising company. They are located in Toronto, Canada and have small team. Their services include Advertising and Search Engine Optimization.Read More
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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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