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Top Consulting Firms in Ottawa (58)

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.

MNP
Consulting • Financial Services
100 Offices
8,397 Employees
14 Benefits

MNP is a leading national accounting, tax and business consulting firm in Canada. We proudly serve and respond to the needs of our clients in the public, private and not-for-profit sectors. Through partner-led engagements, we provide a collaborative, cost-effective approach to doing business and personalized strategies to help organizations succeed across the country and around the world. For more information,...

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MNP
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.

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
Raymond Chabot Grant Thornton
Consulting • Financial Services
4 Offices
2,334 Employees
Hiring Now

Founded in 1948, Raymond Chabot Grant Thornton is a leader in the areas of assurance, taxation, consulting and business recovery and reorganization services. Its strength is based on a team of more than 2,300 professionals, including some 200 partners. As the leading accounting firm in Quebec, we serve dynamic organizations in all socio-economic activity sectors: SMEs, large businesses, as well...

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Raymond Chabot Grant Thornton
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
Onix
Artificial Intelligence • Cloud • Machine Learning • Analytics • Consulting
10 Offices
1,553 Employees
25 Benefits

Onix is a trusted cloud consulting company that helps businesses get the most out of their technology with innovative, cloud-powered solutions and services. From data analytics and modernization to security and AI/ML solutions, we’re able to deliver tailored solutions and exceptional results for our customers because of our 20+ year strategic partnerships in the cloud, our dedication to customer success,...

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Onix
Luxoft
Information Technology • Software • Consulting
27 Offices
15,405 Employees
16 Benefits

Luxoft, a DXC Technology Company (NYSE: DXC), is a digital strategy and software engineering firm providing bespoke technology solutions that drive business change for customers the world over. Acquired by U.S. company DXC Technology in 2019, Luxoft is a global operation in 44 cities and 21 countries with an international, agile workforce of nearly 18,000 people. It combines a unique...

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Luxoft
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
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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
CIMA+
Consulting
7 Offices
2,771 Employees
16 Benefits Hiring Now

CIMA+ provides a variety of consulting engineering services, namely in the areas of buildings, infrastructure, transportation, energy and resources, project management, communication systems, and the environment. The search for excellence has been part of our DNA since our foundation in 1990, and our teams draw on decades of experience acquired across Canada to deliver quality projects that meet our client’s...

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CIMA+
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
Oliver Wyman
Professional Services • Consulting
62 Offices
9,026 Employees
8 Benefits Hiring Now

Oliver Wyman is a global leader in management consulting. With offices in more than 70 cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organization transformation. The firm has more than 7,000 professionals around the world who work with clients to optimize their business, improve their operations and risk profile,...

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Oliver Wyman
International Institute for Sustainable Development (IISD)
5 Offices
175 Employees

The International Institute for Sustainable Development (IISD) is an award-winning independent think tank dedicated to fostering a world where both people and the planet can thrive. It produces objective, independent, high-quality research on sustainable development issues, including reports, policy briefs, and toolkits. Through its research and analysis, IISD works to create a more sustainable and equitable world.

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International Institute for Sustainable Development (IISD)
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.

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
InflowCX
Information Technology • Software • Consulting
3 Offices
121 Employees

InflowCX, an Amplix Company, is your strategic partner in delivering unparalleled customer experiences (CX). With our expertise in innovative customer engagement technologies and processes, you can improve efficiencies and revenue through every step of your unique CX initiatives as you scale your business. Our team will support you in growing a dynamic customer experience ecosystem by managing the process's critical...

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InflowCX
Diverse Lynx
HR Tech • Information Technology • Professional Services • Consulting
4 Offices
2,000 Employees

Diverse Lynx is an AI-native IT firm and staffing agency headquartered in Princeton, NJ. Established in 2002, the WBENC and NMSDC certified company provides consulting, solutions, and proprietary products across various domains, including technology, healthcare, and life sciences. They specialize in information technology, IT infrastructure, and contingent workforce services, leveraging a global team of over 1,600 associates to support enterprises.

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Diverse Lynx
Wood
Consulting
27 Offices
30,000 Employees
31 Benefits

Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets. We provide consulting, projects and operations solutions in 60 countries, employing around 35,000 people. www.woodplc.com

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Wood
Red Hat
Cloud • Information Technology • Internet of Things • Software • Consulting • Infrastructure as a Service (IaaS) • Automation
50 Offices
20,000 Employees
43 Benefits Hiring Now
Creating better technology the open source way

At Red Hat, we connect an innovative community of customers, partners, and contributors to deliver an open source stack of trusted, high-performing solutions. We offer cloud, Linux, middleware, storage, and virtualization technologies, together with award-winning global customer support, consulting, and implementation services. Red Hat is a rapidly growing company supporting more than 90% of Fortune 500 companies.

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Red Hat

Red Hat's Top Stability & Growth Strengths

Strong Market Position & Advantage: Red Hat is repeatedly positioned as a leader in container management and multicloud/hybrid cloud management, with OpenShift highlighted for hybrid development, tooling, and edge deployment. RHEL is also described as holding a commanding position in enterprise Linux, reinforcing defensibility in core infrastructure markets.

Strong Revenue Growth: Red Hat is described as delivering sustained double-digit revenue growth across multiple reported periods, and as a major growth contributor within IBM’s Hybrid Platform & Solutions/Software reporting. OpenShift ARR is cited as reaching the multi-billion-dollar range with growth that outpaces the broader portfolio, supporting momentum beyond core Linux.

Future-Ready Strategy: The company is portrayed as positioning for enterprise AI infrastructure and continued hybrid-cloud standardization, tying product roadmaps (OpenShift, Ansible, RHEL) to modernization and AI operationalization. Strategic emphasis on open standards, automation, security, and hybrid portability is presented as aligned with evolving enterprise demands.

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