Top 100 IT Services Companies in Ontario
The Best of April 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.
Jump to Most Reviewed Companies
List of the Best Ontario IT Companies
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511Undisclosed10 - 49 employeesToronto, CanadaFidelity IT is an IT managed services and IT strategy consulting company. The Toronto, Canada-based firm was founded in 2003. Their team offers IT managed services and IT strategy consulting.Read More
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512Undisclosed2 - 9 employeesToronto, CanadaIT Networked Systems is an IT managed services company. They provide IT managed services and were founded in 2000.Read More
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513Undisclosed10 - 49 employeesToronto, CanadaHeadquartered in Toronto, Canada, Checksum is an IT managed services and Cybersecurity company. Their services include IT managed services and Cybersecurity.Read More
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514Undisclosed10 - 49 employeesToronto, CanadaOmega Network Solutions is an IT managed services and Cybersecurity company founded in 2005. Their team offers IT managed services and Cybersecurity.Read More
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515Undisclosed2 - 9 employeesToronto, CanadaLiberty Village IT, an IT managed services company, was founded in 2012. The team provides IT managed services and Web Design and is headquartered in Toronto, Canada.Read More
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516Undisclosed10 - 49 employeesVaughan, CanadaLaunched in 1991, Lanetco Computer Networks Inc. Is a small IT managed services company located in Vaughan, Canada. Their team offers IT managed services.Read More
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517Undisclosed10 - 49 employeesToronto, CanadaD-Tech Consulting is a small IT managed services company in Toronto, Canada. Their services include IT managed services.Read More
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518Undisclosed250 - 999 employeesToronto, CanadaVigilant Technologies LLC is an ERP consulting and SI company. Their team is in Troy, Michigan and Duluth, Georgia and focuses on ERP consulting and SI and Artificial Intelligence.Read More
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519Undisclosed50 - 249 employeesToronto, CanadaIT strategy consulting and IT managed services company Apogee IT Services is in Sewickley, Pennsylvania and Brookline, Massachusetts. The team offers IT strategy consulting and IT managed services.Read More
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520Undisclosed10 - 49 employeesToronto, CanadaTransatlantic Business Consulting is an IT strategy consulting company. The Toronto, Canada-based firm was founded in 2017. Their services include IT strategy consulting and cloud consulting & SI.Read More
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521Undisclosed10 - 49 employeesToronto, CanadaCloud consulting & SI company Salytics Inc. Was launched in 2011. The small team specializes in cloud consulting & SI and CRM consulting and SI.Read More
Industries
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522Undisclosed50 - 249 employeesToronto, CanadaLane Four is a cloud consulting & SI company. Launched in 2013, their team focuses on cloud consulting & SI and CRM consulting and SI.Read More
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523Undisclosed10 - 49 employeesToronto, CanadaSmall cloud consulting & SI company SkyVenn, is located in Toronto, Canada. The team specializes in cloud consulting & SI and Custom Software Development.Read More
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524Undisclosed2 - 9 employeesToronto, CanadaTecnita Inc, a CRM consulting and SI company, is located in Toronto, Canada. The team offers CRM consulting and SI.Read More
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525Undisclosed10 - 49 employeesToronto, CanadaDesouza and Associates Inc. Is a small Toronto, Canada-based CRM consulting and SI company. Their services include CRM consulting and SI.Read More
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526Undisclosed50 - 249 employeesToronto, CanadaIntegrate 2 Cloud Apps, a CRM consulting and SI and ERP consulting and SI company, provide CRM consulting and SI and ERP consulting and SI. They were established in 2012.Read More
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527Undisclosed50 - 249 employeesOttawa, CanadaCloud consulting & SI company ExitCertified provides cloud consulting & SI and Cybersecurity. They were founded in 2001.Read More
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528Undisclosed10 - 49 employeesOttawa, CanadaSmall cloud consulting & SI company Cloudstrucc, is in Ottawa, Canada. Their services include cloud consulting & SI and Cybersecurity.Read More
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529Undisclosed10 - 49 employeesHamilton, CanadaOntario Trade Printers Inc., d.b.a. OTP Design-Works is a CRM consulting and SI company. Located in Hamilton, Canada, the team offers CRM consulting and SI.Read More
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530Undisclosed50 - 249 employeesToronto, CanadaBased in Toronto, Canada, Aarialife Technologies is a midsize CRM consulting and SI and ERP consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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531Undisclosed50 - 249 employeesMarkham, CanadaEvron Computer Systems Corp. Is a cloud consulting & SI company founded in 1983. The midsize team offers cloud consulting & SI and ERP consulting and SI.Read More
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532Undisclosed10 - 49 employeesToronto, CanadaDNAstack, a small business intelligence company and cloud consulting & SI company, is headquartered in Toronto, Canada. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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533Undisclosed10 - 49 employeesNewcastle, CanadaGreat Canadian Training & Consulting is a big data company. The team is located in Newcastle, Canada, and their services include BI & big data consulting & SI and IT managed services.Read More
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534Undisclosed2 - 9 employeesMississauga, CanadaCloud SynApps is a small Mississauga, Canada-based cloud consulting & SI company. The team specializes in cloud consulting & SI.Read More
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535Undisclosed10 - 49 employeesMississauga, CanadaTenthline Inc is a cloud consulting & SI company based in Mississauga, Canada. Their services include cloud consulting & SI.Read More
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536Undisclosed10 - 49 employeesMississauga, CanadaNetact Services Inc. Is a small big data analytics company based in Mississauga, Canada. The team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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537Undisclosed50 - 249 employeesToronto, CanadaSYSPRO, a midsize ERP consulting and SI company, is located in Toronto, Canada. The team specializes in ERP consulting and SI.Read More
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538Undisclosed10 - 49 employeesMississauga, CanadaModular Software Ltd. Is an ERP consulting and SI company. The Mississauga, Canada-based agency was established in 1977. Their team specializes in ERP consulting and SI.Read More
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539Undisclosed250 - 999 employeesOttawa, CanadaCORADIX Technology Consulting Ltd. Is a cloud consulting & SI company founded in 1995. The team specializes in cloud consulting & SI and CRM consulting and SI.Read More
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540Undisclosed1,000 - 9,999 employeesOttawa, CanadaCalian Group is an IT strategy consulting company. Headquartered in Ottawa, Canada, the firm focuses on IT strategy consulting and IT managed services.Read More
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Check out an IT Services Company in Ontario with the most new reviews in the past 12 months.
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