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Top Consulting Firms in Ottawa (59)

UL Solutions
Automotive • Professional Services • Software • Consulting • Energy • Chemical • Renewable Energy
28 Offices
15,000 Employees
79 Benefits Hiring Now
Our mission is to make the world a safer, more secure and sustainable place.

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...

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UL Solutions

UL Solutions's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue increased from $2.678B in 2023 to $3.053B in 2025 and continued to rise 5.2% year over year in Q2 2026, with organic growth of 6.6%.

Profitability: Adjusted EBITDA rose 20.7% in 2025 to $792M and grew 11.2% in Q2 2026, with margin expansion to about 26.8% alongside higher adjusted net income.

Market Expansion: The company is expanding its footprint through acquisitions and capacity investments, including completing the Eurofins Electrical & Electronics business in October 2026 and enlarging testing facilities.

Deloitte
Information Technology • Professional Services • Business Intelligence • Consulting
54 Offices
436,336 Employees
47 Benefits

Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we. Deloitte refers...

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Deloitte

Deloitte's Top Stability & Growth Strengths

Strong Market Position & Advantage: Global consulting share is reinforced by multi‑year No. 1 rankings in Gartner market‑share analyses, with leadership placements across multiple consulting niches. Scale and an end‑to‑end model spanning strategy through technology, risk, tax, and audit underpin this advantage.

Strong Brand Reputation: Brand Finance repeatedly naming Deloitte the world’s most valuable commercial services brand signals wide market visibility and client trust. Consistent placement as a Leader in Gartner Magic Quadrants and IDC MarketScape coverage further supports perceived execution strength in complex transformations.

Resilient & Sustainable Growth: Global revenue rose in FY2024 and again in FY2025, with the workforce expanding and the Americas driving momentum while other regions varied. Ongoing mix shifts toward technology‑enabled consulting, Operate services, and AI‑related offerings suggest continued, balanced expansion.

Tata Consultancy Services
Information Technology • Consulting
59 Offices
484,503 Employees
34 Benefits

A purpose-led organization that is building a meaningful future through innovation, technology, and collective knowledge. We're #BuildingOnBelief. A part of the Tata group, India's largest multinational business group, TCS has over 500,000 of the world’s best-trained consultants in 46 countries. The company generated consolidated revenues of US $22.2 billion in the fiscal year ended March 31, 2021, and is listed on...

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Tata Consultancy Services
49 Solutions
Information Technology • Consulting
Ottawa
23 Employees
Hiring Now

At 49 Solutions we consistently deliver top quality consulting services, supporting both business and technology. We work alongside our clients to assess their needs and ensure our approach, recommendations and move-forward plan will deliver the results they expect and the value they deserve. Our clients have mandates; our expert consultants help them develop comprehensive strategic plans to achieve their goals....

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49 Solutions
Tiree
Professional Services • Consulting
Ottawa
186 Employees
Hiring Now

We’re a management consultancy, supporting our clients in delivering complex infrastructure projects from the very beginning to the very end. Powered by challenge and collaboration, we bring innovative solutions, a tailored approach, and endless enthusiasm to support world-class innovations, interventions, and transformations

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Tiree
PwC Greece
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
80 Offices
2,108 Employees
2 Benefits

At PwC our purpose is to build trust in society and solve important problems. We’re a network of firms in 155 countries with over 327,000 people who are committed to delivering quality in assurance, advisory and tax services. Find out more and tell us what matters to you by visiting us at www.pwc.com.

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PwC Greece
Growcer
Consulting • Agriculture
Ottawa
33 Employees

Manufacturer of modular hydroponic farms that provide a simple solution to locally grow and sell fresh profitable crops year-round, regardless of the climate.

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Growcer
Procom Services
Agency • Information Technology • Professional Services • Consulting
10 Offices
350 Employees

Procom is a leading North American provider of IT staffing and contract workforce services. They specialize in connecting businesses with high-quality technical talent through contract staffing, direct hire, and IT consulting. Additionally, Procom provides comprehensive workforce solutions, such as Employer of Record (EOR) and Agent of Record (AOR) services, designed to help organizations manage their contingent workforces and support long-term...

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Procom Services

Procom Services's Top Stability & Growth Strengths

Strong Market Position & Advantage: Longevity and scale in North American IT staffing—managing thousands of contractors and serving Fortune 500 and public‑sector clients across multiple offices—position the firm as an established leader. Specialization in high‑demand areas such as cloud, data, AI, cybersecurity, and complex enterprise transformations further anchors competitive strength.

Strong Brand Reputation: Industry accolades including Deloitte’s Canada’s Best Managed (Platinum Club) and ClearlyRated’s multi‑year Best of Staffing awards underscore sustained service quality and credibility. Repeated recognition from staffing industry bodies reinforces a prominent reputation within its niche.

Diversified Customer Base: Enterprise reach spans Fortune 500 companies, startups, and government entities across the U.S. and Canada, distributing demand across sectors and geographies. Large contractor volumes across varied clients support resilience in shifting market conditions.

The HIDI Group Inc.
Professional Services • Consulting • Energy • Design
4 Offices
147 Employees
Hiring Now

The HIDI Group is a multi-disciplinary building engineering consultancy that provides a full suite of in-house building service expertise. Its integrated disciplines include mechanical design, electrical design, fire protection, lighting design, communications, audiovisual design, security and risk, commissioning, and energy services. The firm is dedicated to creating safer, healthier, and more efficient buildings through an integrated design process.

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The HIDI Group Inc.
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Earnscliffe
Agency • Professional Services • Consulting
Ottawa
118 Employees

Earnscliffe is a Canadian strategic advisory consultancy that helps businesses and governments navigate complex challenges. It brings together public affairs, public relations and communications, research, digital strategy and creative design, integrating strategic insight with execution. Its work includes navigating policy and regulatory environments, building relationships with decision-makers and stakeholders, protecting organizational reputations, understanding audiences through research, and reaching and persuading...

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Earnscliffe
MGIS Inc.
Information Technology • Professional Services • Consulting • App development
Ottawa
11 Employees
Hiring Now

MGIS Inc. is an Ottawa-based professional-services and information-technology company serving government and international corporate clients. It provides recruitment and project-planning support, consulting resources, web and mobile application development, geospatial application development, project management, database management, and business analysis. The company builds and maintains projects ranging from short-term initiatives to multi-year, multimillion-dollar ventures, including work supporting Government of Canada clients.

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MGIS Inc.
Hitachi Vantara
Information Technology • Consulting
32 Offices
9,542 Employees
42 Benefits

Hitachi Vantara, a wholly-owned subsidiary of Hitachi, Ltd., guides our customers from what’s now to what’s next by solving their digital challenges. Working alongside each customer, we apply our unmatched industrial and digital capabilities to their data and applications to benefit both business and society. More than 80% of the Fortune 100 trust Hitachi Vantara to help them develop new...

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Hitachi Vantara
Procom Consultants Group Ltd.
Information Technology • Professional Services • Consulting
10 Offices
350 Employees

Procom is a leading provider of professional IT services and staffing to businesses and governments in Canada, and one of North America's leading staffing and contract workforce services providers. The company specializes in connecting IT talent with opportunity, delivering flexible IT staffing solutions and professional services to help organizations overcome technology gaps and drive transformation.

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Procom Consultants Group Ltd.

Procom Consultants Group Ltd.'s Top Stability & Growth Strengths

Market Expansion: Acquisition of Levvel’s Talent Division, a footprint of roughly 15–20 North American offices, and a near-50% rise in active job postings in 2026 indicate expanding geographic reach and commercial activity. Senior leadership appointments and broader U.S. initiatives further point to ongoing expansion efforts.

Strong Market Position & Advantage: Procom is characterized as Canada’s largest IT staff-augmentation provider, with long-standing recognition (e.g., Branham ranking, Canada’s Best Managed Companies) and service to Fortune 500 and public-sector clients. This supports a defensible leadership position in Canadian IT staffing with significant North American presence.

Diversified Customer Base: Operations span both public- and private-sector organizations across North America, including Fortune 500 clients. This breadth reflects engagement with multiple segments rather than reliance on a narrow client set.

CEP Forensic Inc.
Professional Services • Consulting
10 Offices
230 Employees
Hiring Now

CEP Forensic is a Canadian multidisciplinary forensic engineering firm that investigates failures, malfunctions, fires, and collisions. Its work includes collision reconstruction, biomechanical engineering and injury analysis, and fire investigation. Applying engineering principles, the firm supports legal proceedings and helps inform corrective actions. CEP has more than four decades of experience and provides forensic expertise across a range of technical matters.

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CEP Forensic Inc.
Foci Solutions Inc.
Artificial Intelligence • Information Technology • Software • Consulting
Fully Remote
28 Employees
Hiring Now

Foci Solutions is a software development consultancy and engineering partner specializing in applied AI and software engineering. It works alongside public- and private-sector organizations to solve complex technology problems, build dependable and scalable systems, and strengthen clients’ software teams through mentoring and a player-coach approach. Its work spans enterprise software and AI systems, with an emphasis on practical, high-quality solutions...

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Foci Solutions Inc.
Agira Technologies
Information Technology • Consulting
4 Offices
184 Employees

Technology Simplified, Innovation Delivered and Empowering Business is what we are passionate about. We always strive to build solutions that boost your productivity. OUR VISION To be recognized globally for Technology Leadership and to be the ‘Future Ready’ software company in any market we choose to operate in. OUR MISSION To enable enterprises in the Digital Journey through Technology innovation and becoming an...

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Agira Technologies
Tulip (tulip.com)
Cloud • Information Technology • Consulting
4 Offices
221 Employees
5 Benefits

Tulip provides a suite of cloud-based solutions that let retailers overcome industry challenges and set a new standard for omnichannel commerce. Partnered with Apple and Salesforce, Tulip equips sophisticated retailers to build connections with customers, fulfill orders, checkout purchases, and optimize operations in order to create the end-to-end experience modern customers expect. Leading retailers like Mulberry, Saks Fifth Avenue, Kendra...

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Tulip (tulip.com)
McIntosh Perry
Professional Services • Consulting
3 Offices
800 Employees

McIntosh Perry is a Canadian consulting engineering firm serving public and private sector clients across North America. It provides end-to-end technical services for projects in building science, contract administration, energy, environmental and geotechnical engineering, land development and planning, municipal engineering, project management, transportation, transportation structures, and surveying. The company has expanded to more than 800 professionals across 21 offices, supporting...

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McIntosh Perry
Assent
Information Technology • Software • Consulting
6 Offices
941 Employees
15 Benefits Hiring Now

Assent is the leader in supply chain sustainability management solutions. With more than a decade of experience, Assent is specifically focused on complex manufacturers, a subset of manufacturers in the industrial equipment, electronics, medical device, aerospace/defense and automotive verticals whose products have a long design cycle and shelf life. More importantly, with thousands of parts making up a single product...

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Assent
Borden Ladner Gervais LLP
Professional Services • Consulting • Financial Services
5 Offices
2,291 Employees
Hiring Now

Borden Ladner Gervais LLP (BLG) is Canada's largest full-service law firm, providing practical legal advice to domestic and international clients. With nearly 900 lawyers and professionals, BLG serves businesses and institutions across various sectors, specializing in areas such as M&A, capital markets, disputes, financing, and trademark and patent registration. The firm operates across major Canadian cities, including Toronto, Montreal, Vancouver,...

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Borden Ladner Gervais LLP

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