10 Top Consulting Companies in Ottawa to Know

Ottawa’s consulting sector supports innovation in technology, finance and business management.

Written by Margo Steines
Published on Jun. 06, 2025
Ottawa landscape
Photo: Shutterstock
Summary: Ottawa’s consulting sector supports local tech growth, with expertise in IT, strategy and compliance. Firms like Deloitte and Tata Consultancy Services lead the way in areas spanning from digital transformation and enterprise modernization to public sector strategy.

Ottawa serves as one of North America’s tech and business hubs, with IT, software and industrial technology companies helping to lead growth. Ottawa’s homegrown consulting industry has scaled in tandem with this business activity, and its scientific, management and technical consulting firms offer support to startups and established companies. The local industry includes multinational, midsized and boutique firms. Learn about the top Ottawa consulting providers on this list.

Consulting Companies in Ottawa

  • Raymond Chabot Grant Thornton
  • Mitratech
  • Deloitte
  • Red Hat
  • Tata Consultancy Services

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Top Consulting Companies in Ottawa

Red Hat is an open source technology company that delivers enterprise-level services and solutions to support use cases ranging from application development to edge computing. Its open source approach is widely understood in the software industry to support innovation via collaboration and transparency. 

 

49 Solutions is a consulting firm that offers expertise in business and technology processes. Its team of consultants focus on project management and strategic technology implementation, with the goal of guiding client businesses to achieve growth and stability. 49 Solutions works closely with Canadian federal government organizations and is the consulting provider of choice for many government departments and contractors.

 

Business Sherpa Group is an outsourcing company that provides labor strategy expertise to small and medium-sized businesses. Its work is split between helping clients implement software tools for recruitment, HR and cloud-based accounting and offering consulting services that center around the same topics.  

 

Dillon Consulting is an employee-owned firm that consults with clients across areas of specialization including sustainable infrastructure, environmental science and green business practices. The company has been in business since 1946 and has contributed to numerous energy transition, contaminated site management and waste and land management projects.

 

Ratna Global Tech is an IT company that offers software products, managed technology services and consulting on a full range of IT issues. Its consulting team specifically focuses on project outsourcing and business automation, delivering expertise in cloud computing, cybersecurity and data analytics processes to support this work.

 

Deloitte is a flagship member of the “Big Four” network of multinational enterprise consulting firms. It offers advisory support in business and financial operations, including tax, audit, finance and corporate strategy services. Deloitte is a diversified firm with activities in numerous industries and verticals, with its consulting arm bringing in a significant portion of its total revenue. 

 

Zone & Co specializes in working within the NetSuite software ecosystem. Its offerings are geared toward meeting the needs of finance teams, with a focus on centralizing and streamlining resource and financial management. Zone & Co works with companies through growth and scaling phases, offering implementation and continued support services to complement its SaaS tools.

 

Raymond Chabot Grant Thornton is a professional services firm that has been working with businesses across Canada since 1948. It offers consulting services in areas like corporate management, risk management and human resources. For example, its HR consulting division focuses on immigration law, international and local recruiting, outsourcing and HR management.

 

Mitratech delivers solutions for corporate compliance across legal and risk issues and human resources. Its work focuses on developing and implementing technology products to address issues of inefficiency and redundancy, with a holistic goal of mitigating risk, increasing productivity and reducing overhead for client businesses.

 

Tata Consultancy Services is the advisory branch of the diversified business process enterprise Tata. Its consultants focus on facilitating digital transformations, cloud migrations, data architecture revamps and strategic modernization. The firm’s network of more than 600,000 consultants spans 55 countries, including Canada.

 

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