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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1351$25,000+10 - 49 employeesToronto, CanadaDialekta is a media planning and buying agency. The Montréal, Canada-based firm was launched in 2010. Their services include Media Planning & Buying and Pay Per Click.Read More
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1352Undisclosed10 - 49 employeesOakville, CanadaLaunched in 2008, TechHighway Systems Inc. Is a small Oakville, Canada-based web development firm. Their services include Web Development and Search Engine Optimization.Read More
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1353$5,000+10 - 49 employeesToronto, CanadaJive PR + Digital is a Digital Strategy company. They were established in 2009, and their services include Digital Strategy and Email Marketing.Read More
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1354$5,000+2 - 9 employeesToronto, CanadaSmall SEO company CORDON, is based in Toronto, Canada and Rennes , France. Their services include Search Engine Optimization and Web Design.Read More
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1355Undisclosed10 - 49 employeesToronto, CanadaDotline Web Inc, Canada is a social media marketing firm. They are based in Toronto, Canada and have small team. Their team specializes in Social Media Marketing and Search Engine Optimization.Read More
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1356Undisclosed2 - 9 employeesToronto, CanadaAltaStreet Financial Website is an Avon, Ohio-based branding firm. They focus on Branding and Content Marketing.Read More
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1357UndisclosedFreelancer employeesOshawa, CanadaLaunched in 2022, Red Minstrel Marketing is a social media marketing company. The company focuses on Social Media Marketing and CRM consulting and SI.Read More
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1358$1,000+2 - 9 employeesToronto, CanadaBack Office Outsourcing company AdvansisVirtual was established in 2014. The company offers Back Office Outsourcing and Accounting.Read More
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1359$1,000+2 - 9 employeesBarrie, CanadaExecutiveAssistance Business Solutions Inc. Is a small Barrie, Canada-based Back Office Outsourcing company. Their services include Back Office Outsourcing and Business Consulting.Read More
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1360Undisclosed2 - 9 employeesToronto, CanadaX10 Media is a Toronto, Canada-based branding firm. They focus on Branding and Web Design.Read More
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1361Undisclosed2 - 9 employeesMississauga, CanadaLaunched in 2013, Consider Marketing is a small pay per click agency located in Mississauga, Canada. Their team focuses on Pay Per Click and Social Media Marketing.Read More
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1362Undisclosed2 - 9 employeesSarnia, CanadaFounded in 2012, Hi5 Design is a small social media marketing firm. Their team offers Social Media Marketing and Pay Per Click.Read More
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1363Undisclosed2 - 9 employeesToronto, CanadaMoneris Digital is an Affiliate Marketing company located in Toronto, Canada. Established in 2022, the team provides Affiliate Marketing and Content Marketing.Read More
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1364Undisclosed50 - 249 employeesOttawa, CanadaAyudante, Inc., a Marketing Strategy company, is headquartered in Ottawa, Canada and Chiyoda City, Japan. The team focuses on Marketing Strategy and Search Engine Optimization.Read More
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1365$5,000+10 - 49 employeesBurlington, CanadaIMP Digital Marketing is a Marketing Strategy company. They were established in 1997, and their services include Marketing Strategy and Pay Per Click.Read More
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1366UndisclosedFreelancer employeesOttawa, CanadaIn Ottawa, Canada, Ottawa Consultants is a small Accounting company. The team focuses on Accounting and Public Relations.Read More
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1367UndisclosedFreelancer employeesToronto, CanadaPurple Moon Brand Experience is a small branding company established in 2022. Their team provides Branding and Market Research.Read More
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1368$10,000+50 - 249 employeesPleasanton, CARead More
Founded in 2011, Bytes Technolab is a software development company that specializes in eCommerce, web, and mobile app development. Headquartered in N.J., the team of 44 works with mid-market businesses in the e-commerce, consumer services, and real estate industries.
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NikeIndustries
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1369$5,000+1,000 - 9,999 employeesToronto, CanadaUser experience agency Huge was founded in 1999. The company provides UX/UI Design and Branding, and is large.Read More
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Canada GooseIndustries
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1370$10,000+1,000 - 9,999 employeesToronto, CanadaTMP Worldwide, a custom software development firm, is in New York, New York and Toronto, Canada. They focus on Custom Software Development and Content Marketing and were established in 2006.Read More
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1371Undisclosed250 - 999 employeesKøbenhavn, DenmarkWunderman Thompson MAP, a midsize Marketing Strategy company, is headquartered in København, Denmark and Bangkok, Thailand. Their services include Marketing Strategy and Social Media Marketing.Read More
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1372Undisclosed50 - 249 employeesToronto, CanadaSitation, a Digital Strategy company, was established in 2001. The team provides Digital Strategy and Content Marketing and is located in Apex, North Carolina and Toronto, Canada.Read More
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1373$5,000+250 - 999 employeesWindsor, CanadaFounded in 1969, MXM (Meredith Xcelerated Marketing) is a midsize Culver City, California-based Content Marketing company. Their services include Content Marketing and Digital Strategy.Read More
Clients
KraftHeinzIndustries
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1374Undisclosed50 - 249 employeesToronto, CanadaEstablished in 2018, Reason One is a midsize web design agency. Their services include Web Design and UX/UI Design.Read More
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