5 Top Consulting Companies in Montreal

Consulting companies work to optimize operations for clients, many of which work across the tech industry.

Written by Abel Rodriguez
Published on May. 28, 2025
Tech consaultants meet with clients.
Photo: Shutterstock

Montreal is home to many of the biggest names in consulting, an industry that is poised for growth. A new governmental initiative providing funding for businesses to modernize their digital infrastructure could make it one of the hottest sectors in Canada over the next couple of years. These companies work closely with different businesses and outline ways to optimize their operations, often through the implementation of custom tech solutions.

Below are some of the top consulting companies in Montreal to know. 

Consulting Companies in Montreal

  • Accenture
  • Alter Solutions Group
  • Sopra Steria
  • SITA
  • Avanade

Related ResourcesTech & Startup Jobs in Montreal

 

Consulting Companies in Montreal to Know

Accenture is one of the largest consulting firms in the world with an office in Montreal. The firm works with notable clients across industries like automotive, aerospace and tech. Accenture’s main services help organizations implement new technologies to optimize their operations. For example, it can modernize cloud infrastructure and build custom AI solutions for automation.

 

Alter Solutions Group is a French-founded consulting firm focused on providing cybersecurity and digital transformation services. With an office in Montreal, the company guides organizations through NIS 2 compliance and offers several penetration testing and auditing services for cybersecurity platforms. Through its digital transformation services, Alter Solutions Group also builds custom software, data and AI solutions for clients.

 

Sopra Steria is a global IT and consulting company with a presence in over 30 countries. The company works closely with clients to discover untapped business opportunities and develops end-to-end tech solutions to optimize those areas. For example, it builds generative AI platforms and decarbonization solutions for the aerospace industry.

 

While many consulting firms focus on the tech industry, few focus on travel, but SITA is one of them. The company partners with clients like airlines, airports and travel service providers to provide tailored operational solutions. Additionally, SITA develops travel-specific IT solutions, which include software systems for baggage processing and passenger boarding.

 

Avanade provides advisory services for companies using Microsoft platforms. For example, it can develop custom integrations and low-code applications that work with existing platforms like Power BI and Viva. Additionally, Avanade prepares clients to integrate AI solutions into their workflows.

 

Explore Job Matches.