Top 10 Information Technology Companies in Canada 2025

We’re tracking 20,393 Information Technology companies in Canada.

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Companies	Employees	HQ location	Revenue	Founded	Estimated Traffic	Industries
Cgi	View 94,184 employees	🇨🇦 Quebec, Montreal+58	$ >1000M	1976	6,314,000	Consulting, Information Technology
OpenText Corporation	View 20,844 employees	🇨🇦 Ontario, Waterloo+46	$ >1000M	1991	5,050,685	Artificial Intelligence, Big Data
SNC-Lavalin	View 9,685 employees	🇨🇦 Quebec, Montreal+100	$ >1000M	1911	1,104,002	Consulting, Information Technology
Constellation Software	View 325 employees	🇨🇦 Ontario, Old Toronto+2	$ >1000M	1995	165,375	Information Technology, Software
Mitel	View 6,018 employees	🇨🇦 Ontario, Kanata+25	$ >1000M	1972	1,206,909	Consulting, Business Development
Synnex Corporation	View 583 employees	🇨🇦 Ontario, Toronto+9	$ 500-1000M	1980	79,926	Consulting, Information Technology
TELUS International	View 6 employees	🇨🇦 British Columbia, Vancouver+37	$ 500-1000M	2005	5,743,999	Information Technology, Software
GardaWorld	View 16,027 employees	🇨🇦 Quebec, Saint-laurent-de-l’île-d’orléans+17	$ 500-1000M	1949	10,814,847	Security, Physical Security
Canadian Natural Resources Limited	View 7,281 employees	🇨🇦 Alberta, Calgary+22	$ 500-1000M	1989	288,143	Sustainability, Energy
Collabera Canada	View 24 employees	🇨🇦 Ontario, Toronto+3	$ 500-1000M	1991	146,852	Information Technology, Software
Cgi	View 94,184 employees	🇨🇦 Quebec, Montreal+58	$ >1000M	1976	6,314,000	Consulting, Information Technology
OpenText Corporation	View 20,844 employees	🇨🇦 Ontario, Waterloo+46	$ >1000M	1991	5,050,685	Artificial Intelligence, Big Data
SNC-Lavalin	View 9,685 employees	🇨🇦 Quebec, Montreal+100	$ >1000M	1911	1,104,002	Consulting, Information Technology
Constellation Software	View 325 employees	🇨🇦 Ontario, Old Toronto+2	$ >1000M	1995	165,375	Information Technology, Software
Mitel	View 6,018 employees	🇨🇦 Ontario, Kanata+25	$ >1000M	1972	1,206,909	Consulting, Business Development
Synnex Corporation	View 583 employees	🇨🇦 Ontario, Toronto+9	$ 500-1000M	1980	79,926	Consulting, Information Technology
TELUS International	View 6 employees	🇨🇦 British Columbia, Vancouver+37	$ 500-1000M	2005	5,743,999	Information Technology, Software
GardaWorld	View 16,027 employees	🇨🇦 Quebec, Saint-laurent-de-l’île-d’orléans+17	$ 500-1000M	1949	10,814,847	Security, Physical Security
Canadian Natural Resources Limited	View 7,281 employees	🇨🇦 Alberta, Calgary+22	$ 500-1000M	1989	288,143	Sustainability, Energy
Collabera Canada	View 24 employees	🇨🇦 Ontario, Toronto+3	$ 500-1000M	1991	146,852	Information Technology, Software

1. Cgi

CGI, based in Montreal, Quebec, is one of Canada’s largest IT and business consulting services firms. Specializing in high-end business and IT consulting, system integrations, and transformational outsourcing, CGI operates across the globe with a significant impact on local IT markets. In their aim to drive digital transformations, CGI supports numerous sectors by delivering innovative solutions that enhance the digital experiences of businesses, ensuring they stay competitive in the fast-evolving tech landscape.

Location 🇨🇦 Quebec, Montreal	Size View 94,184 employees
Revenue $ >1000M	Industries Professional Services, Information Technology, Data and Analytics, Artificial Intelligence, Software, Science and Engineering
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2. OpenText Corporation

OpenText Corporation, headquartered in Waterloo, Ontario, Canada, stands as a significant player in the global Information Technology landscape, specializing in Enterprise Information Management (EIM) solutions. OpenText helps companies manage, secure, and leverage their data, aiming to enhance operational efficiency and decision-making. The company’s products facilitate a wide range of digital business processes from content services and security to digital forensics. Operating in a region renowned for innovation, OpenText remains at the forefront of technological management solutions, driving digital transformation in diverse industries around the globe.

Location 🇨🇦 Ontario, Waterloo	Size View 20,844 employees
Revenue $ >1000M	Industries Artificial Intelligence, Data and Analytics, Information Technology, Science and Engineering, Software, Hardware, Internet Services, Design, Professional Services
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3. SNC-Lavalin

SNC-Lavalin, headquartered in Montreal, Canada, is a global leader in engineering and construction, also delving deeply into the information technology sector to support its vast array of projects. Their services in IT focus primarily on the integration of robust engineering solutions and technology consulting, which plays a pivotal role in optimizing the infrastructure and operations of diverse industries they serve. In Canada, SNC-Lavalin leverages advanced IT to enhance project efficiency and innovate solutions that meet the dynamic needs of their clients, aiming to drive successful outcomes in both local and international markets.

Location 🇨🇦 Quebec, Montreal	Size View 9,685 employees
Revenue $ >1000M	Industries Professional Services, Information Technology
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4. Constellation Software

Constellation Software, headquartered in Toronto, Canada, is a powerhouse in the Information Technology sector, recognized for its strategic acquisition and management of vertical market software companies. With a robust portfolio that spans across North America, Constellation serves a diverse range of industries by providing specialized software solutions tailored to meet the unique needs of each market. Their business model is built on the acquisition of leaders within niche markets, a strategy that has seen them achieve sustained growth in the IT industry within Canada and beyond.

Location 🇨🇦 Ontario, Old Toronto	Size View 325 employees
Revenue $ >1000M	Industries Information Technology, Software
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5. Mitel

Mitel, based in Ottawa, Canada, is a global leader in the field of business communications, specializing in unified communications solutions for companies of all sizes. Their product suite includes everything from VoIP phone systems to integrated messaging and video conferencing services. As businesses increasingly look to streamline communications and improve collaboration, Mitel’s comprehensive, flexible solutions make it a pivotal player in the IT sector, providing tools that empower companies to operate more efficiently and effectively.

Location 🇨🇦 Ontario, Kanata	Size View 6,018 employees
Revenue $ >1000M	Industries Professional Services, Information Technology
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6. Synnex Corporation

Synnex Corporation, based in Fremont, California, is a prominent player in the information technology sector. The company specializes in IT distribution and comprehensive logistics solutions, helping businesses manage critical technology operations. Synnex provides a broad array of services designed to streamline supply chains and enhance business efficiency. Additionally, their strategic presence in Canada strengthens local IT capabilities, making them a key partner for technology transformation and innovation across diverse industries.

Location 🇨🇦 Ontario, Toronto	Size View 583 employees
Revenue $ 500-1000M	Industries Professional Services, Information Technology
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7. TELUS International

TELUS International, based in Canada, specializes in next-generation digital solutions and IT services for global and disruptive brands. The company delivers transformative outcomes through its high-tech, high-touch approach, blending expertise in AI, IoT, and cloud-based technologies with exceptional customer service. With a robust presence in the Canadian market, TELUS International continues to drive innovation and operational excellence, helping businesses embrace digital transformation effectively. This strategic focus not only enhances customer engagements but also optimizes back-end processes, ensuring sustainable business growth and resilience in the ever-evolving tech landscape.

Location 🇨🇦 British Columbia, Vancouver	Size View 6 employees
Revenue $ 500-1000M	Industries Information Technology, Software, Design, Data and Analytics, Artificial Intelligence, Science and Engineering, Professional Services, Apps
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8. GardaWorld

GardaWorld, headquartered in Montreal, Canada, is a global leader in security services and risk management. Known primarily for its security solutions, GardaWorld also branches out into information technology through its integrated security systems and advanced cybersecurity services. These IT offerings are crucial for modern businesses looking to protect their operations and sensitive data, especially in today’s digital landscape where cyber threats are increasingly sophisticated. As such, GardaWorld plays an essential role in fortifying business infrastructures in Canada and globally, ensuring client security on multiple levels.

Location 🇨🇦 Quebec, Saint-laurent-de-l’île-d’orléans	Size View 16,027 employees
Revenue $ 500-1000M	Industries Privacy and Security, Administrative Services, Professional Services, Information Technology
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9. Canadian Natural Resources Limited

Canadian Natural Resources Limited, headquartered in Calgary, Alberta, Canada, is a titan in the energy sector with significant investments in information technology to optimize its extensive natural resource operations. The company’s IT initiatives are particularly focused on enhancing efficiency and environmental stewardship within its sprawling oil and natural gas production facilities. This strategic integration of tech solutions positions Canadian Natural Resources at the forefront of the energy industry’s digital transformation, ensuring sustainable and efficient resource management in Canada.

Location 🇨🇦 Alberta, Calgary	Size View 7,281 employees
Revenue $ 500-1000M	Industries Sustainability, Energy, Natural Resources, Information Technology, Internet Services
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10. Collabera Canada

Collabera Canada, based in CA, is a prominent player in the Information Technology sector, providing innovative IT staffing and solutions. This company excels in meeting diverse client needs across various industries, from finance to healthcare, by offering customized IT services and skilled talent management solutions. Collabera Canada helps organizations stay ahead in a competitive market by leveraging technology in strategic ways. Their expertise in delivering high-quality tech solutions makes them a trusted partner for businesses looking to navigate the complex IT landscape.

Location 🇨🇦 Ontario, Toronto	Size View 24 employees
Revenue $ 500-1000M	Industries Information Technology, Software
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