Top 100 IT Services Companies in Ontario
The Best of October 2026Looking for a top IT services company in Ontario?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in Ontario. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best Ontario IT Companies
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421$1,000+10 - 49 employeesMississauga, CanadaPragra, a custom software development company, was established in 2017. Based in Mississauga, Canada, the team focuses on Custom Software Development and UX/UI Design.Read More
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422Undisclosed250 - 999 employeesToronto, CanadaProcom is a midsize IT staff augmentation company launched in 1978. Their services include IT staff augmentation and Staffing.Read More
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423$5,000+2 - 9 employeesToronto, CanadaLaunched in 2024, Aiinak AI is a small software development firm. Their services include Custom Software Development and IT strategy consulting.Read More
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424$1,000+2 - 9 employeesToronto, CanadaSPECBAND COMMUNICATIONS LTD, an IT strategy consulting company, was established in 2017. The company focuses on IT strategy consulting and unified communications consulting & SI, and is small.Read More
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425$10,000+2 - 9 employeesToronto, CanadaLaunched in 2024, Castle Consulting and Professional Services Inc. Is a small Toronto, Canada-based cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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426$1,000+2 - 9 employeesRichmond Hill, CanadaV-tech is a PPC agency. Based in Richmond Hill, Canada, the company was founded in 2023. Their services include Pay Per Click and Web Design.Read More
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427Undisclosed2 - 9 employeesToronto, CanadaLightning Point Consulting is an ERP consulting and SI company. They were established in 2025 and focus on ERP consulting and SI and IT managed services.Read More
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428$10,000+2 - 9 employeesPickering, CanadaArtomai Inc. Is an IT strategy consulting company based in Pickering, Canada. The team provides IT strategy consulting and IT managed services.Read More
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429$1,000+2 - 9 employeesMississauga, CanadaFounded in 2026, consultlink is an ERP consulting and SI company. Their team focuses on ERP consulting and SI and Business Consulting.Read More
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430$5,000+50 - 249 employeesToronto, CanadaNucleus Networks, an IT managed services company, was founded in 2001. The midsize Vancouver, Canada-based team offers IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.Read More
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431$1,000+2 - 9 employeesToronto, CanadaSpeedlight Solutions is a small Toronto, Canada-based IT managed services company. Their services include IT managed services and Web Design.Read More
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432Undisclosed10 - 49 employeesPickering, CanadaLocated in Edmonton, Canada and Pickering, Canada, Akora Cloud Consulting is a small cloud consulting & SI company. The team offers cloud consulting & SI and Custom Software Development.Read More
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433$1,000+2 - 9 employeesMississauga, CanadaIT Pilots is a small custom software development company and Cybersecurity company launched in 1997. Their team provides Custom Software Development and Cybersecurity.Read More
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434$5,000+10 - 49 employeesWaterloo, CanadaSpringTimeSoftware is a software development firm established in 2002. The company provides Custom Software Development and ERP consulting and SI, and is small.Read More
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435$50,000+10 - 49 employeesOttawa, CanadaSilstone Health is a big data company. Founded in 2014, the agency is located in Ottawa, Canada. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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436Undisclosed2 - 9 employeesToronto, CanadaForte Innovations is a data analytics company established in 2016. The small team focuses on BI & big data consulting & SI, finance & accounting outsourcing (FAO), and business consulting. The company is based in Vancouver, Canada.Read More
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437Undisclosed10 - 49 employeesBrampton, CanadaSynconics INC is a small ERP consulting and SI company. They offer ERP consulting and SI and Enterprise App Modernization and were launched in 2024.Read More
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438Undisclosed2 - 9 employeesToronto, CanadaHeadquartered in Toronto, Canada, Managed Privacy Canada is a Compliance Consulting and Cybersecurity company. Their services include Compliance Consulting and Cybersecurity.Read More
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439$5,000+10 - 49 employeesMississauga, CanadaFounded in 2004, Haya Solutions Inc. Is a Digital Strategy company. The firm provides Digital Strategy and CRM consulting and SI.Read More
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440Undisclosed10 - 49 employeesToronto, CanadaArboStar, a small CRM consulting and SI and custom software development firm, is in Toronto, Canada. They offer CRM consulting and SI and custom software development and were launched in 2013.Read More
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441$1,000+10 - 49 employeesRichmond Hill, CanadaLaunched in 2007, IT Solutions Canada is a Conversion Optimization company. The small team specializes in Conversion Optimization and Cybersecurity.Read More
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442$1,000+2 - 9 employeesMississauga, CanadaWrightClick Consulting, a small IT managed services company, is based in Mississauga, Canada. Their services include IT managed services and Search Engine Optimization.Read More
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443$25,000+2 - 9 employeesToronto, CanadaPlug&Play Technologies Inc. Is a CRM consulting and SI company. Their team is located in Toronto, Canada and specializes in CRM consulting and SI and Low/No Code Development.Read More
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444$1,000+2 - 9 employeesMississauga, CanadaMadsheets is a custom software development company founded in 2015. Their team provides Custom Software Development and Web Development.Read More
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Shoreside SupportIndustries
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445$25,000+1,000 - 9,999 employeesToronto, CanadaAdastra Corporation is a cloud consulting & SI company. Their large team is headquartered in Toronto, Canada; Prague, Czech Republic; Frankfurt am Main, Germany and Sofia, Bulgaria. The firm focuses on cloud consulting & SI, BI & big data consulting & SI, IT strategy consulting, Artificial Intelligence, and more. The firm was established in 2000.Read More
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AstraZeneca Audi Avast ContinentalIndustries
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446$25,000+50 - 249 employeesToronto, CanadaWatServ is a Toronto, Canada-based cloud consulting & SI company. They offer cloud consulting & SI and IT managed services.Read More
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EF GasesIndustries
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447$1,000+10 - 49 employeesMarkham, CanadaLocated in Markham, Canada, Accountable IT Solutions is a small e-commerce development firm. The team provides E-Commerce Development and IT managed services.Read More
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448$1,000+10 - 49 employeesToronto, CanadaBased in Toronto, Canada, Gnosys Digigtal is a small ERP consulting and SI company. Their services include ERP consulting and SI and AI Agents.Read More
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449$1,000+10 - 49 employeesToronto, CanadaNerdGuys Technologies is an IT managed services company. They offer IT managed services and Web Design and were founded in 2006.Read More
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450$10,000+2 - 9 employeesToronto, CanadaEstablished in 2015, Quantum Data Science Inc. Is a small business intelligence company in Toronto, Canada. Their team offers BI & big data consulting & SI and Custom Software Development.Read More
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Xplore Sirius XM Familia Fine Foods Inc. Ananda Inc
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Check out an IT Services Company in Ontario with the most new reviews in the past 12 months.
Most Reviewed
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