Top 100 IT Services Companies in Ontario
The Best of January 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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211Undisclosed10 - 49 employeesToronto, CanadaEstablished in 2004, Applications on Networks Inc. Is an IT strategy consulting company. The small team provides IT strategy consulting and cloud consulting & SI.Read More
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212Undisclosed2 - 9 employeesToronto, CanadaMastermind Backup, a cloud consulting & SI company, was founded in 2002. The team provides cloud consulting & SI and is located in Toronto, Canada and Kingston, Canada.Read More
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213$1,000+10 - 49 employeesToronto, CanadaIT managed services company 1ComputerServices Inc. D/b/a 1CS is located in Toronto, Canada. They specialize in IT managed services and Cybersecurity.Read More
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214$1,000+10 - 49 employeesMarkham, CanadaLaunched in 1995, Idealogical Systems Inc. Is a small Markham, Canada-based IT managed services company. Their team specializes in IT managed services and Cybersecurity.Read More
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215Undisclosed50 - 249 employeesMarkham, CanadaLaunched in 1986, Data First Solutions is an IT managed services company. The midsize team focuses on IT managed services and Cybersecurity.Read More
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216$1,000+10 - 49 employeesMarkham, CanadaVenture Computers of Canada, an IT managed services company, is headquartered in Markham, Canada. The team provides IT managed services and IT strategy consulting.Read More
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217$5,000+10 - 49 employeesMarkham, CanadaCloud consulting & SI company Intuition Consultancies Inc is based in Markham, Canada. Their services include cloud consulting & SI and CRM consulting and SI.Read More
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218Undisclosed50 - 249 employeesNewmarket, CanadaUtil-Assist is an IT managed services company. They are in Newmarket, Canada. Their team provides IT managed services and cloud consulting & SI.Read More
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219$1,000+2 - 9 employeesNewmarket, CanadaYork Computer Services is an IT managed services company. The team is in Newmarket, Canada, and their services include IT managed services and Cybersecurity.Read More
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220$5,000+2 - 9 employeesCaledon, CanadaSentryon is an IT managed services company established in 2000. The company specializes in IT managed services and IT strategy consulting, and is small.Read More
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221$1,000+10 - 49 employeesVaughan, CanadaLocated in Vaughan, Canada and Barrie, Canada, MYDWARE IT Solutions Inc. Is a small Cybersecurity company. The team provides Cybersecurity and IT managed services.Read More
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222$10,000+10 - 49 employeesMississauga, CanadaFerroque Systems Inc. Is an IT strategy consulting company in Mississauga, Canada. The team specializes in IT strategy consulting and IT managed services.Read More
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223$1,000+2 - 9 employeesToronto, CanadaAccess Group Inc. Is an IT strategy consulting company. The team is based in Toronto, Canada and Toronto, Canada, and their services include IT strategy consulting and BI & big data consulting & SI.Read More
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224$1,000+10 - 49 employeesToronto, CanadaFUSION CYBER GROUP, a small Cybersecurity company, is located in Montreal, Canada and Toronto, Canada. The team focuses on Cybersecurity and IT managed services.Read More
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225Undisclosed2 - 9 employeesOshawa, CanadaFull Spectrum Computer Services is an Oshawa, Canada-based IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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226Undisclosed250 - 999 employeesToronto, CanadaNowVertical Group, a midsize IT strategy consulting company, is based in Toronto, Canada. The team offers IT strategy consulting and BI & big data consulting & SI.Read More
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227Undisclosed10 - 49 employeesKingston, CanadaEstablished in 2010, Telecom Metric is a small unified communications consulting & SI company. Their services include unified communications consulting & SI and cloud consulting & SI.Read More
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228Undisclosed2 - 9 employeesToronto, CanadaLaunched in 2017, BeniPlus is a small Cybersecurity company. Their team focuses on Cybersecurity.Read More
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229$1,000+10 - 49 employeesKitchener, CanadaMegawire Inc is an IT managed services company. The Kitchener, Canada-based company was launched in 1998. Their services include IT managed services and IT strategy consulting.Read More
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230$5,000+50 - 249 employeesRichmond Hill, CanadaSharpITS is an IT managed services company. The firm is headquartered in Richmond Hill, Canada and Boston, Massachusetts. Their services include IT managed services and IT staff augmentation.Read More
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231$1,000+2 - 9 employeesSarnia, CanadaPrometheon Inc. Is a Cybersecurity company. They provide Cybersecurity and IT strategy consulting and were established in 2023. The firm is based in Sarnia, Canada.Read More
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232$1,000+2 - 9 employeesMississauga, CanadaAirtime Communications is a Mississauga, Canada-based unified communications consulting & SI company. Their services include unified communications consulting & SI.Read More
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233$5,000+10 - 49 employeesToronto, CanadaHeadquartered in Toronto, Canada and Bengaluru, India, ENGAIZ is a small Cybersecurity company. Their services include Cybersecurity and Insurance Services & Brokers.Read More
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234Undisclosed2 - 9 employeesBurlington, CanadaIT managed services company transcendnext is located in Burlington, Canada. Their services include IT managed services.Read More
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235$1,000+10 - 49 employeesMarkham, CanadaIT strategy consulting and IT managed services company Wireless Netware Technology was founded in 2014. The team offers IT strategy consulting and IT managed services and is based in Markham, Canada.Read More
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236Undisclosed2 - 9 employeesMilton, CanadaAYS Technologies Canada Inc. Is an IT managed services company established in 2003. Based in Milton, Canada, the team specializes in IT managed services and IT strategy consulting.Read More
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237Undisclosed10 - 49 employeesWhitby, CanadaHorn IT Solutions is a Whitby, Canada-based IT managed services company. The team specializes in IT managed services and IT staff augmentation.Read More
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238$1,000+10 - 49 employeesVaughan, CanadaIT strategy consulting company Adeptivity IT Solutions was launched in 2022. The company offers IT strategy consulting and cloud consulting & SI.Read More
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239$1,000+10 - 49 employeesRichmond Hill, CanadaFounded in 2017, SetCom, a small Email Marketing company, is located in Richmond Hill, Canada and Toronto, Canada. Their team specializes in Email Marketing and CRM consulting and SI.Read More
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240$1,000+50 - 249 employeesCornwall, CanadaRead More
Launched in 2021, RavLet is a e-commerce development firm. Their midsize team is headquartered in Chattogram, Bangladesh. Their services include e-commerce development, IT managed services, web development, cybersecurity, and more.
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