Top 70 Application Modernization Companies in Ontario
The Best of December 2025Looking for a top legacy modernization service in Ontario?
Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process.
To assist you in your search for a partner, we’ve compiled this list of the top application modernization services in Ontario. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Ontario Enterprise Application Modernization Services
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1$25,000+50 - 249 employeesToronto, CanadaRead More
Architech is an Enterprise App Modernization company founded in 2004. The midsize team provides Enterprise App Modernization, Generative AI, Artificial Intelligence, cloud consulting & SI, and more. The firm is headquartered in Toronto, Canada.
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Rogers Telecommunications TELUS Telecommunications Jacob & Co Goodlife FitnessIndustries
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2$25,000+10 - 49 employeesVaughan, CanadaRead More
Codepaper is a custom software development company. The Toronto, Canada-based firm was founded in 2015. The small team focuses on custom software development, web development, mobile app development, BI & big data consulting & SI, and more.
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3$50,000+10 - 49 employeesToronto, CanadaHeadquartered in Toronto, Canada, Whitecap Canada is a custom software development firm. The small team specializes in Custom Software Development, BI & big data consulting & SI, Mobile App Development, Low/No Code Development, and more and was established in 1997.Read More
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Woodine Entertainment GroupIndustries
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4$1,000+10 - 49 employeesMississauga, CanadaRead More
Web design agency Telkoware was founded in 2015. They are in Brampton, Canada and Toronto, Canada and have a small team. Telkoware offers web design, e-commerce development, search engine optimization, custom software development, and more.
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5$75,000+50 - 249 employeesToronto, CanadaRead More
Clearbridge Mobile is a full-stack mobile app design and development firm based in Toronto, Canada. It has launched more than 250 apps for large enterprise clients including more than 35 Fortune 500s. These apps have been downloaded more than 300 million times.
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DisneyIndustries
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6$5,000+50 - 249 employeesVaughan, CanadaAdroit Outsourcing is a software development firm. The small Jodhpur, India-based firm was launched in 2009. Their team offers custom software development, web development, mobile app development, application management & support, and more.Read More
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7$50,000+50 - 249 employeesWhitby, CanadaRead More
Virtuozzo is a hyper-converged infrastructure software provider based in Bellevue, Wash. operated by a team of 89. Founded in 1999, they have provided IT strategy consulting, BI & big data consulting & SI, and cloud consulting & SI solutions to clients.
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8$10,000+10 - 49 employeesToronto, CanadaEstablished in 2014, DivNotes Inc. Is a small custom software development firm. Their team focuses on Custom Software Development, UX/UI Design, Mobile App Development, Application Management & Support, and more. The company is located in Toronto, Canada.Read More
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9$5,000+10 - 49 employeesToronto, CanadaCreme Digital is an user experience design company launched in 2020. Their small team is headquartered in Toronto, Canada and specializes in ux/ui design, mobile app development, enterprise app modernization, custom software development, and more.Read More
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10Undisclosed50 - 249 employeesMississauga, CanadaIT strategy consulting company Veriday was founded in 2004. The agency focuses on IT strategy consulting, mobile app development, and web development and has a midsize team. The agency is based in Mississauga, Canada.Read More
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11Undisclosed2 - 9 employeesOttawa, CanadaRead More
Coldfront Labs is an IT services company in Kanata, Canada. Founded in 2011, they have about 9 employees that do web development, custom software development, and UX/UI design. Most clients are midmarket businesses in the IT, government, and business services sectors.
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Statistics CanadaIndustries
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12$25,000+50 - 249 employeesToronto, CanadaRead More
Dedicatted is a IT strategy consulting company. Founded in 2015, the team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more. Their small company is Tallinn, Estonia-based.
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13$10,000+2 - 9 employeesToronto, CanadaMantrax Software Solutions is a software development firm in Toronto, Canada. The small team focuses on Custom Software Development, Mobile App Development, Web Development, E-Commerce Development, and more and was established in 2020.Read More
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Cricket Club ManagerIndustries
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14$10,000+2 - 9 employeesBurlington, CanadaRead More
SyS Creations is an IT provider founded in 2015 and based in Burlington, Canada with more than two members. They are experts in IT managed services, IT strategy consulting, and cloud consulting solutions for both small and medium-sized businesses.
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Appleby PharmacyIndustries
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15$10,000+10 - 49 employeesToronto, CanadaRead More
Buildable is a Toronto, Canada-based software development firm. The small team provides custom software development, web development, enterprise app modernization, ux/ui design, and more. The agency was established in 2017.
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16$75,000+50 - 249 employeesVancouver, CanadaRead More
Purely CRM is a Microsoft Dynamics 365 CRM firm based in Vancouver. Founded in 2014, their team of around 14 employees provides CRM consulting, cloud consulting, and custom software development services.
Clients
MAINT S.A.Industries
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17$5,000+2 - 9 employeesToronto, CanadaRead More
Up at Five, an e-commerce development firm, was established in 2015. The company specializes in e-commerce development, ux/ui design, and enterprise app modernization and has a small team.
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18$25,000+10 - 49 employeesGold River, CARead More
Software development company Bellwood was established in 2019. Their small team is headquartered in Atlanta, Georgia; Farmington, New York; Gold River, California and Orlando, Florida. Their services include Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.
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WarnerMediaIndustries
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19$1,000+2 - 9 employeesToronto, CanadaRead More
Summer Digital is a software development company established in 2020. Their small team is in Toronto, Canada. Their services include custom software development, pay per click, search engine optimization, web development, and more.
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20Undisclosed10 - 49 employeesToronto, CanadaSoftware development company Red Thread Innovations was launched in 2016. The team provides Custom Software Development and Enterprise App Modernization and is located in Toronto, Canada.Read More
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21$10,000+2 - 9 employeesMount Forest, CanadaGrafite Inc is a software development firm. Located in Mount Forest, Canada, the company was founded in 2015. Their services include Custom Software Development and Web Development.Read More
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PfizerIndustries
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22Undisclosed10 - 49 employeesToronto, CanadaConversion Optimization company GrowthGenius was founded in 2016. The firm focuses on Conversion Optimization and Email Marketing.Read More
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23$25,000+250 - 999 employeesOttawa, CanadaPythian is a business intelligence company in Ottawa, Canada and San Francisco, California. They specialize in BI & big data consulting & SI and cloud consulting & SI and were launched in 1997.Read More
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Fox SportsIndustries
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24Undisclosed250 - 999 employeesRichmond Hill, CanadaMobileLIVE is an Enterprise App Modernization company. Their team is in Richmond Hill, Canada and Montreal, Canada. The firm provides Enterprise App Modernization and UX/UI Design.Read More
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TelusIndustries
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25$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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26$50,000+10 - 49 employeesOakville, CanadaVoila Hub is a mobile application development company. The small Oakville, Canada-based team offers Mobile App Development and Enterprise App Modernization. The agency was founded in 2010.Read More
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27$1,000+50 - 249 employeesOttawa, CanadaApplication development company nandbox Inc. Was established in 2016. The company provides Mobile App Development and E-Commerce Development.Read More
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28$50,000+50 - 249 employeesToronto, CanadaRead More
Custom software development company Spiria was launched in 2003. The agency specializes in Custom Software Development, Enterprise App Modernization, UX/UI Design, IT strategy consulting, and more and has a midsize team. The agency is headquartered in Montréal, Canada; Gatineau, Canada and Toronto, Canada.
Clients
Autodesk Northern Cables Nortac Defence Searidge TechnologiesIndustries
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29$25,000+50 - 249 employeesToronto, CanadaEstablished in 2014, Prodigy Labs is an IT staff augmentation company. Their team focuses on IT staff augmentation and Mobile App Development.Read More
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30$10,000+10 - 49 employeesToronto, CanadaSunbeez is a Toronto, Canada-based custom software development firm. Launched in 2016, the team focuses on Custom Software Development and Enterprise App Modernization.Read More
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