Finding the right .NET development partner in Canada comes down to more than the technology stack. Different providers focus on different areas, from custom web and enterprise applications to cloud development, legacy modernization, APIs, and dedicated development teams. This list brings together Canadian .NET development companies with different service strengths, so you can compare them based on the type of software work you need.
1. Itexus
Itexus provides .NET development through dedicated developers, dedicated teams, and project-based software development. Its .NET engineers work with C#, .NET 8, ASP.NET Core, Entity Framework Core, Web API, gRPC, CQRS, DDD, microservices, Azure, AWS, Docker, Kubernetes, and related development tools. The company can provide individual specialists, extend an existing in-house team, or take responsibility for an entire software project. Its broader services cover requirements analysis, architecture, development, QA, cloud engineering, deployment, maintenance, and support.
Key Facts
- Best for: Custom .NET development and dedicated development teams
- Core services: .NET development, custom software development, dedicated teams, QA, DevOps, support and maintenance
- Specialization: C#, .NET 8, ASP.NET Core, Web API, microservices, Azure
- Industries: Fintech, finance, healthcare, insurance, retail, education, travel and hospitality
- Location: Serves clients internationally
Contact Information
- Website: itexus.com
- Email: [email protected]
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- LinkedIn: www.linkedin.com/company/itexus
- Instagram: www.instagram.com/itexus.soft
- Address: Żurawia 6/12/lok 766, 00-503 Warszawa, Poland
2. Essential Designs
Essential Designs develops custom web applications with .NET, PHP, and Angular. Its work includes business management systems, SaaS products, cloud applications, responsive web apps, CRM platforms, online banking systems, point-of-sale software, and insurance applications. The company also develops mobile applications using .NET and supports projects from planning and wireframing through design, development, testing, and deployment. Its Canadian software development team works with businesses across sectors including healthcare, technology, finance, real estate, and general business services.
Key Facts
- Best for: Custom business software and web applications
- Core services: Web application development, custom software, mobile app development, UI/UX, testing and support
- Specialization: .NET, ASP.NET, Angular, custom business systems and SaaS
- Industries: Healthcare, technology, business, real estate, finance
- Location: Canada, with offices in Vancouver, Calgary, and Toronto
Contact Information
- Website: www.essentialdesigns.net
- Email: [email protected]
- Facebook: www.facebook.com/teamessentialdesigns
- Twitter: x.com/essentialdesig
- LinkedIn: www.linkedin.com/company/essential-designs-inc.
- Instagram: www.instagram.com/essentialdesignsapps
- Address: 408 – 55 Water Street, Unit 4825, Vancouver, BC V6B 1A1 Canada
- Phone: (778) 720-0891
3. Continuum Digital
Continuum Digital provides custom .NET application development and maintenance services for businesses in Canada. Its .NET work covers ASP.NET, .NET Core, C#, Blazor, Entity Framework, APIs, and Microsoft-based web applications. The company also handles legacy application modernization, database design, third-party integrations, and cloud integrations with Azure, AWS, and Google Cloud. Its services include .NET consulting, custom application development, ASP.NET web development, e-commerce development, dedicated .NET developers, and ongoing maintenance and support.
Key Facts
- Best for: Custom .NET applications and legacy modernization
- Core services: .NET development, ASP.NET development, consulting, migration, integration, maintenance and support
- Specialization: .NET Core, ASP.NET MVC, C#, Blazor, Entity Framework
- Project types: Enterprise applications, SaaS platforms, APIs, CRM and ERP systems, e-commerce platforms
- Location: Toronto, Ontario, Canada
Contact Information
- Website: continuumdigital.ca
- Email: [email protected]
- Facebook: www.facebook.com/continuumdigital.fb
- Twitter: x.com/continuum_01
- LinkedIn: www.linkedin.com/company/continuum-digital-canada
- Instagram: www.instagram.com/continuumdigital
- Address: Suite 1201, 1200 Bay Street, Toronto, ON, M5R 2A5
- Phone: +1 (437) 887-1014
4. Yaplex
Yaplex provides custom software development and .NET development services from its Toronto operation. The company works with .NET and other web technologies to build custom applications and business software. Its projects include web applications, backend development, software integrations, and custom business systems. Yaplex has also worked with technologies such as Sitefinity CMS and Active Directory for web and enterprise projects. The company provides direct access to developers and handles custom development based on the requirements of each project.
Key Facts
- Best for: Custom .NET development and business software
- Core services: .NET development, custom software development, web development, integrations
- Specialization: .NET, web applications, backend development, enterprise integrations
- Project types: Custom business software, web applications, system integrations
- Location: Toronto, Ontario, Canada
Contact Information
- Website: yaplex.com
- Address: 905-50 Quebec Avenue, Toronto, Ontario, M6P 4B4, Canada
- Phone: +1 (647) 328-3809
5. Sidekick Interactive
Sidekick Interactive works on custom software projects covering web applications, backend systems, APIs, mobile applications, and application modernization. Its development capabilities include .NET and ASP.NET Core, along with C#, Azure, SQL databases, and other technologies used for modern application development. The company can handle both individual development requirements and broader software projects that combine backend, frontend, mobile, and integration work. Its Montreal base gives Canadian organizations access to a local software development team for custom application projects.
Key Facts
- Best for: Custom applications combining backend, web, and mobile development
- Core services: Custom software, web applications, backend development, APIs, mobile apps, modernization
- Specialization: .NET, ASP.NET Core, C#, Azure and application development
- Location: Montreal, Quebec, Canada
Contact Information
- Website: www.sidekickinteractive.com
- Email: [email protected]
- Facebook: www.facebook.com/sidekickinteractive
- Twitter: x.com/SidekickInter
- LinkedIn: www.linkedin.com/company/sidekick-interactive
- Address: 460 rue Sainte-Catherine O, Suite 424, Montreal, Quebec H3B 1A7
- Phone: 1 (800) 965-1651
6. Net Solutions
Net Solutions provides custom software development, web application development, product engineering, and application modernization. Its technology capabilities include .NET, ASP.NET Core, C#, Angular, React, cloud platforms, and DevOps tools. Projects can cover custom applications, SaaS products, integrations, and modernization of older software. The company has a Toronto presence and works with businesses that need software developed or updated around specific operational requirements. Its services span product design and development as well as ongoing engineering work.
Key Facts
- Best for: Custom enterprise software and application modernization
- Core services: Custom software, web applications, product engineering, modernization, UX and development
- Specialization: .NET, ASP.NET Core, C#, cloud applications
- Project types: Enterprise applications, SaaS products, integrations, modernized legacy systems
- Location: Toronto, Ontario, Canada
Contact Information
- Website: www.netsolutions.com
- Email: [email protected]
- Facebook: www.facebook.com/NetSolutionsHQ
- Twitter: x.com/netsolutions
- LinkedIn: www.linkedin.com/company/net-solutions
- Address: 111 Queen Street, East South Building, Suite 450, Toronto, ON M5C 1S2 Canada
- Phone: +1 (416) 720-1790
7. Datawalls
Datawalls provides .NET development services covering application design, implementation, development, support, and optimization. Its work includes both web and desktop applications, with development handled through an Agile approach. The company also offers ongoing assistance after implementation. Its .NET practice includes developers working on Microsoft technologies and software projects that require continued development and maintenance. The service is structured around the full development cycle rather than only individual coding tasks.
Key Facts
- Best for: Full-cycle .NET web and desktop development
- Core services: .NET development, application design, implementation, support and optimization
- Specialization: .NET web and desktop applications
- Development approach: Agile development
- Location: Toronto, Ontario, Canada
Contact Information
- Website: datawalls.com
- Email: [email protected]
- Address: 211 Consumers Road, Suite 300, Toronto, ON M2J 1G8
- Phone: +1 (416) 613-1177
8. Webisoft
Webisoft provides custom web and software development services, including enterprise software and SaaS development. Its work covers custom applications built around specific business requirements rather than prebuilt software packages. The company also provides technical consulting and works on web-based products that can include .NET development. Its Montreal presence places the company within Canada’s software development market, while its service range covers projects from custom web applications to larger software products.
Key Facts
- Best for: Custom web applications and SaaS products
- Core services: Web development, enterprise software development, SaaS development, technical consulting
- Specialization: Custom software and web applications
- Technology: .NET and other web development technologies
- Location: Montreal, Quebec, Canada
Contact Information
- Website: webisoft.com
- Facebook: www.facebook.com/WebisoftDigital
- Twitter: x.com/webisoft
- LinkedIn: www.linkedin.com/company/webisoftdigital
- Instagram: www.instagram.com/agencewebisoft
- Address: 460 Saint-Catherine W., Suite 305, Montreal, Quebec, H3B 1A6
- Phone: (514) 874-3224
9. SharpQuest
SharpQuest provides .NET development using C#, ASP.NET, .NET Core, and Web API. Its services include custom software development, application modernization, staff augmentation, cloud application development, mobile development, and AI integration. The company can provide individual developers or support broader software projects with development and modernization work. Its technology capabilities also include Azure and other cloud technologies. SharpQuest serves clients in Canada and the United States, with projects covering industries such as healthcare, automotive, energy, government, and manufacturing.
Key Facts
- Best for: .NET development, modernization, and team augmentation
- Core services: Software development, application modernization, staff augmentation, cloud development
- Specialization: C#, ASP.NET, .NET Core, Web API, Azure
- Industries: Healthcare, automotive, energy, government, manufacturing
- Location: Canada and the United States
Contact Information
- Website: www.sharpquest.com
- Email: [email protected]
- Twitter: x.com/sharpquest
- LinkedIn: www.linkedin.com/company/sharpquest
- Address: 101-1501 Howard Ave., Windsor Ontario N8X 3T5
- Phone: 1-248-268-2592
10. CompuWork
CompuWork provides software development, database, and systems integration services from its Vancouver office. The company has particular experience with Microsoft development technologies, including Visual Studio, the .NET Framework, and .NET servers. Its services also cover relational databases, XML messaging, business process automation, and application development driven by data and events. This combination is suited to business software that needs to connect applications, databases, and internal processes rather than operate as a standalone web product. CompuWork is based in downtown Vancouver, British Columbia, Canada.
Key Facts
- Best for: Microsoft-based business applications and system integration
- Core services: Software development, database development, systems integration, business process automation
- Specialization: .NET Framework, Visual Studio, Microsoft technologies, relational databases
- Project types: Business applications, database systems, integrations, data-driven software
- Location: Vancouver, British Columbia, Canada
Contact Information
- Website: www.compuwork.ca
- Email: [email protected]
- Address: #599 – 885 Dunsmuir St., Vancouver, BC V6C 1N5
- Phone: 604 – 684-8211
11. STech Group
STech Group is a Montreal-based software engineering company offering custom software development for web, mobile, cloud, and enterprise applications. Its full-stack web development services use .NET, ASP.NET Core, C#, Angular, TypeScript, and SQL Server. The company also provides API development, Microsoft Azure architecture, Azure DevOps, Docker, Kubernetes, database development, and AI/ML integration. Its broader services include technology consulting, cloud migration, CI/CD implementation, code audits, performance optimization, and cybersecurity assessments. STech Group works with businesses across industries including financial services, healthcare, education, retail, logistics, real estate, government, and telecommunications.
Key Facts
- Best for: Custom .NET web applications and enterprise software
- Core services: Custom software development, web development, API development, cloud architecture, technology consulting
- Specialization: .NET, ASP.NET Core, C#, Angular, Azure, SQL Server
- Industries: Financial services, fintech, healthcare, education, retail, logistics, real estate, government
- Location: Montreal, Quebec, Canada
Contact Information
- Website: stechgroup.ca
- Email: [email protected]
12. Integrass
Integrass has provided .NET development services since 2011, with a team of .NET developers working on web, cloud, IoT, mobile, and desktop applications. Its services cover application development, modernization, integration, cloud migration, support, and security management. For .NET projects, the company works with APIs, integrations, modular architecture, DevOps, automated testing, application monitoring, and cloud technologies. Integrass also offers dedicated .NET developers and flexible team scaling, with developers able to join an existing engineering team or work as part of a dedicated development group. Its application services cover web, mobile, and cloud applications, as well as legacy code modernization.
Key Facts
- Best for: Dedicated .NET developers and enterprise application development
- Core services: .NET development, application development, modernization, cloud migration, integration, support
- Specialization: .NET applications, APIs, cloud development, DevOps, legacy modernization
- Project types: Web, mobile, desktop, cloud, IoT, ERP, CRM and e-commerce applications
- Location: Toronto, Ontario, Canada
Contact Information
- Website: integrass.ca
- Email: [email protected]
- Facebook: www.facebook.com/IntegrassGlobalCompany
- Twitter: x.com/Integrassglobal
- LinkedIn: www.linkedin.com/company/integrass-global
- Instagram: www.instagram.com/integrassglobal
- Address: Toronto, ON 34 Minowan Miikan Lane, Toronto M6J 0G3
- Phone: +1 (352) 720-3135
13. DevActif
DevActif is a custom software development company based on Montreal’s South Shore, with a dedicated focus on ASP.NET and ASP.NET Core development. Its developers work with C#, Entity Framework, WebAPI, SignalR, and OpenAPI to build web applications and APIs. The company also handles modifications and maintenance of existing .NET systems, including adding or correcting features. Its full-stack developers can work across backend and frontend technologies such as React, Vue.js, and Angular, while its wider services cover web, mobile, Windows, and custom software development. DevActif also provides development team extension, software maintenance, cloud migration, and technology consulting.
Key Facts
- Best for: ASP.NET Core applications, APIs, and existing .NET systems
- Core services: ASP.NET development, web development, software development, maintenance, team extension, cloud migration
- Specialization: C#, ASP.NET Core, WebAPI, Entity Framework Core, SignalR
- Project types: Web applications, APIs, Windows software, mobile applications, internal business systems
- Location: South Shore of Montreal, Quebec, Canada
Contact Information
- Website: devactif.ca
- Email: [email protected]
- Facebook: www.facebook.com/devactif
- LinkedIn: www.linkedin.com/company/devactif
- Instagram: www.instagram.com/devactif
- Address: 2638, boul. René-Gaultier, Varennes, QC J3X 1W1
- Phone: 450-742-1703
Final Thoughts
The Canadian .NET development market includes companies working across custom software, web and mobile applications, APIs, cloud platforms, modernization, and dedicated development teams. The right option depends on the type of application you need, the technologies involved, and whether you need a complete development team or additional .NET specialists. From full-cycle product development to focused ASP.NET work and legacy modernization, the companies above cover a broad range of .NET development needs for Canadian businesses.