The Best Civil Engineering Firms In Canada (2025)

Canada is home to some of the most innovative and reliable civil engineering firms in the world. These firms play a major role in shaping the nation’s infrastructure, offering services that range from transportation engineering and structural design to urban development and environmental planning.

In 2025, the demand for top-tier civil engineering expertise continues to grow as cities expand, technology advances, and sustainability becomes a major focus. This list highlights the top ten best civil engineering firms in Canada based on their project portfolio, reputation, industry influence, and engineering excellence. Whether you are a developer seeking expert consulting, a graduate looking to join a leading firm, or a stakeholder researching trusted names in the industry, this ranking provides key insights.

From firms handling billion-dollar infrastructure projects to those pioneering sustainable construction methods, these companies represent the best of Canadian civil engineering. They are known for their technical precision, strong leadership, and ability to deliver complex projects across various sectors including transportation, water resources, urban planning, and geotechnical engineering.

Top Ten Best Civil Engineering Firms In Canada (2025)

10. Broccolini Construction

Broccolini Construction has steadily transformed from a Quebec‑based builder into a major national infrastructure firm. With around six hundred employees generating over a billion in annual revenue, this family‑driven company focuses on projects that blend elegance and utility. Their work on venues like Saputo Stadium in Montreal reflects an ability to deliver large urban structures with flair and precision . The firm stands out through thoughtful expansion into industrial, commercial, and residential sectors, balancing adaptability with depth of experience. Broccolini’s growth story offers a narrative of reliability rooted in quality, reinforcing why it continues to rank among the best civil engineering firms in Canada.

9. Flynn Group of Companies

Winnipeg‑born Flynn Group began as a roofing specialist and grew into a comprehensive architectural and construction partner. With approximately five thousand employees and revenues slightly above a billion dollars, it now spans architecture and envelope design across major Canadian cities . Projects like Scotiabank Arena in Toronto showcase its consistency in delivering iconic and high‑use spaces. What makes Flynn unique is a seamless blend of form and function, underpinned by a reputation for keeping projects on track and visually compelling. Over time, it has built an identity as a go‑to firm for aesthetic yet structurally sound infrastructure.

8. Bird Construction

Dating back to Saskatchewan in the 1920s, Bird Construction has evolved into a versatile national player. Employing around fifteen hundred professionals and generating over two billion dollars annually, Bird specializes in energy, mining, retail, residential, and civil projects . Landmarks such as the Thunderbird Sports Centre and Whitby Rail Maintenance Facility demonstrate its ability to manage projects ranging from community‑scale hubs to transit‑oriented infrastructure. This firm’s strength lies in maintaining deep technical knowledge across sectors, offering clients reliability and multifaceted expertise. Consistent delivery across diverse project types makes Bird a solid choice among Canada’s civil engineering heavyweights.

7. Pomerleau Incorporated

Founded in Quebec more than sixty years ago, Pomerleau has grown into a construction powerhouse with a modern, innovative approach. With roughly four thousand employees and nearly three billion in annual revenue, it stands out for combining steady financial performance with forward‑thinking project delivery . Projects such as the Videotron Centre reflect its strong presence in both civic infrastructure and recreational facilities. Emphasis on sustainable practices, technology‑driven execution, and a family‑oriented culture lend Pomerleau a reputation that balances tradition with modern values. Its broad portfolio and adaptability keep it firmly on this list.

6. Ledcor Group of Companies

Ledcor began in 1947 and has expanded into a multi sector firm offering services in civil infrastructure, buildings, mining, forestry, transportation, and marine operations. Based in Vancouver with over 6,800 employees, Ledcor generates an estimated three billion annually . Highlights like the Albian Sands project and digital media facilities in Vancouver showcase both industrial and cutting‑edge commercial capabilities. Employee ownership fosters a collaborative environment, and the firm’s willingness to span traditional and emerging sectors keeps it agile. Ledcor’s broad scope and technical range make it a natural choice for top civil engineering rankings in Canada.

5. Graham Construction

Operating since 1926, Graham Construction has deep roots and a reputation for rugged reliability. Headquartered in Calgary with approximately 1,371 employees and nearly four billion in revenue, its expertise shines in infrastructure and industrial projects . From military police academies to hangars at Air Force bases, Graham’s projects underscore precision and durability. Their track record emphasizes safe, collaborative execution and an unwavering commitment to quality. Graham’s longstanding history and ability to evolve with client needs continue to keep it at the forefront of Canadian civil engineering.

4. Kiewit Canada Group Incorporated

Kiewit’s Canadian branch brings deep infrastructure expertise to this ranking. Although part of a larger American parent, Kiewit Canada has carved a strong identity in sectors like transportation, power, mining, and heavy civil . The firm delivers complex, large‑scale projects with a solid focus on safety and technical performance. Its standing in Canada stems from leveraging global best practices while tailoring solutions to regional demands. Specializing in major infrastructure undertakings gives Kiewit Canada a distinct advantage when large‑scale civil work is required.

3. Aecon Group Incorporated

Aecon, one of Canada’s oldest infrastructure firms, is a beacon of national engineering heritage. Founded in 1877, it is known for transformational works such as the CN Tower, Montreal‑Trudeau Airport, and Vancouver’s SkyTrain . With around 12,000 employees and about four billion in annual revenue, Aecon offers unmatched scale and historical impact. The firm combines a legacy of iconic projects with a forward‑looking culture that prioritizes safety, sustainability, and innovation. Its portfolio reads like a blueprint of Canadian civic progress.

2. EllisDon Corporation

EllisDon is a Mississauga‑based, employee‑owned giant in Canadian construction. With nearly 4,000 employees and estimated annual revenue approaching five billion dollars, this firm is known for transformative projects like the Art Gallery of Ontario and Brampton Civic Hospital . The firm shines in design‑build delivery and construction management, blending managerial strength with architectural sensitivity. Grounded in service excellence and innovation, EllisDon delivers complex civic and cultural infrastructure with clarity and care.

1. WSP Global Inc.

Taking the top spot, WSP Global commands a wide footprint and deep technical prowess. Headquartered in Montreal, it ranks highest among Canadian firms on global lists, with strong influence across infrastructure, environmental, transportation, and building sectors . Its leadership on projects such as Ottawa’s Centre Block rehabilitation and major transit expansions reflects a commitment to future‑ready infrastructure. WSP’s global reach, rich acquisitions, and visionary focus on resilience and sustainability position it at the pinnacle of Canada’s civil engineering landscape.