Top 100 Software Development Companies in Ontario
The Best of June 2026Looking for a top software developer in Ontario?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies 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 Software Developers
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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211$10,000+50 - 249 employeesToronto, CanadaSoftware development firm Blanc Labs provides Custom Software Development and Enterprise App Modernization. They were established in 2013.Read More
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212$250,000+50 - 249 employeesBurlington, CanadaWeb development company Thrillworks was established in 2000. The firm specializes in Web Development and Custom Software Development, and is midsize.Read More
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213$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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214$5,000+2 - 9 employeesOttawa, CanadaStudio 63 Inc. Is an user experience design agency. The Ottawa, Canada-based firm offers UX/UI Design and Product Design.Read More
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215$5,000+2 - 9 employeesBrockville, Canada3Innovative Inc. Is a Brockville, Canada-based web development firm. They specialize in Web Development and Custom Software Development and were established in 2021.Read More
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216$10,000+2 - 9 employeesMississauga, CanadaSanford Systems is an artificial intelligence company. Their small team is based in Mississauga, Canada. Their services include Artificial Intelligence and Mobile App Development.Read More
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217Undisclosed50 - 249 employeesToronto, CanadaData analytics company MRS Company Ltd. Was founded in 1979. The agency focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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218Undisclosed50 - 249 employeesMarkham, CanadaDecisivEdge, LLC is a software development firm established in 2007. Their team offers Custom Software Development and cloud consulting & SI.Read More
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219$1,000+10 - 49 employeesMississauga, CanadaEstablished in 2017, GR-Tech is a small custom software development company. Their services include Custom Software Development and Web Development.Read More
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220$5,000+10 - 49 employeesBarrie, CanadaCreedAlly is a small Ahmedabad, India-based custom software development firm. Their services include Custom Software Development and Web Development.Read More
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221$5,000+10 - 49 employeesToronto, CanadaDS01 is a custom software development company established in 2019. The small team provides Custom Software Development and AR/VR development.Read More
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222$25,000+10 - 49 employeesOttawa, CanadaLaunched in 1997, Core Migration, a small Enterprise App Modernization company, is in Ottawa, Canada. Their team provides Enterprise App Modernization and Custom Software Development.Read More
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223$10,000+50 - 249 employeesOttawa, CanadaIdeabytes is an Ottawa, Canada-based user experience agency. They specialize in UX/UI Design and Cybersecurity.Read More
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224Undisclosed10 - 49 employeesRichmond Hill, CanadaGRIP I.T., an IT managed services company, was founded in 1996. They specializes in IT managed services and Custom Software Development.Read More
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225$10,000+10 - 49 employeesMississauga, CanadaGyan Solutions is a software development firm. The team is in Mississauga, Canada, and their services include Custom Software Development and Mobile App Development.Read More
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226Undisclosed2 - 9 employeesMarkham, CanadaRead More
Established in 2022, Splexer is a small web design agency. Their services include web design, web development, mobile app development, e-commerce development, and more. The firm is in Toronto, Canada.
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227$10,000+50 - 249 employeesMississauga, CanadaLaunched in 2016, Nextbrain Canada Inc is a midsize Mississauga, Canada-based AI company. Their team focuses on Artificial Intelligence and Web Design.Read More
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228$1,000+50 - 249 employeesMississauga, CanadaBailsSoft is a web design agency launched in 2010. The midsize team provides Web Design and Custom Software Development.Read More
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229$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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230$100,000+1,000 - 9,999 employeesToronto, CanadaFounded in 2019, EY Studio+ is a large mobile app development company. Their team focuses on Mobile App Development, Web Development, and Custom Software Development. The agency is in Toronto, Canada; Victoria, Canada; Vancouver, Canada and Vancouver, Canada.Read More
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231$1,000+2 - 9 employeesNewmarket, CanadaBased in Newmarket, Canada, Nocktech Inc is a small custom software development company. The team focuses on Custom Software Development and Search Engine Optimization.Read More
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232$5,000+2 - 9 employeesToronto, CanadaFounded in 2018, Arc10 Technologies Inc is a small Toronto, Canada-based custom software development firm. Their services include Custom Software Development and Mobile App Development.Read More
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233$5,000+2 - 9 employeesToronto, CanadaGenerative AI company Construction.live was founded in 2026. The team provides Generative AI and Custom Software Development and is in Toronto, Canada.Read More
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234$1,000+2 - 9 employeesToronto, CanadaTINKTEQ, a branding firm, is headquartered in Toronto, Canada. Founded in 2023, the team focuses on Branding and Social Media Marketing.Read More
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235$5,000+10 - 49 employeesToronto, CanadaElecsoft, a custom software development company, was established in 2007. They provides Custom Software Development and Web Design.Read More
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236$1,000+10 - 49 employeesMississauga, CanadaThe Web Verse, a software development company, was established in 2022. The agency offers Custom Software Development and Web Development, and is small.Read More
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237$5,000+10 - 49 employeesMississauga, CanadaEstablished in 2025, Novaio is a software development firm. The agency focuses on Custom Software Development and Web Development, and is small.Read More
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238$10,000+50 - 249 employeesToronto, CanadaNearSource Technologies is an IT staff augmentation company. They were launched in 2022 and focus on IT staff augmentation and Custom Software Development.Read More
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239Undisclosed50 - 249 employeesMississauga, CanadaHeadquartered in Houston, Texas and Mississauga, Canada, Pointlab Software is a custom software development company. Their services include Custom Software Development and Web Development.Read More
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240$1,000+50 - 249 employeesToronto, CanadaWeb development firm Digia is headquartered in Toronto, Canada; Kyiv, Ukraine; Québec, Canada and Montréal, Canada. The midsize company was established in 2016. Their services include Web Development, Web Design, UX/UI Design, Custom Software Development, and more.Read More
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Check out a Software Developers in Ontario with the most new reviews in the past 12 months.
Most Reviewed
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