EllisDon is an employee-owned construction services company redefining what it means to build.

Company Overview

Contents


OUR COMPANY

EllisDon is an employee-owned construction services company redefining what it means to build. Known for tackling some of the most complex and ambitious projects across every sector, delivery model and lifecycle stage, we bring innovation, agility, and deep expertise to everything we do. From financing and design to construction, operations, and beyond, EllisDon is one of the few companies offering truly end-to-end, cradle-to-grave services tailored to each client’s vision.  

Founded in 1951 by brothers Don and David Ellis Smith in London, Ontario, we’ve grown from a local builder into a global industry leader. 

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Our Values

EllisDon is driven by our core values, which shape how we work, build, and live. By embedding these principles into every aspect of our business, we’re driving positive change across the construction industry and the communities we serve. Our five foundational values guide our people, projects, and operations every day. 


Our Services

EllisDon delivers a full spectrum of “cradle-to-grave” services that guide projects seamlessly from concept to completion and beyond. Each service can stand alone or integrate into a customized solution, adaptable to any stage, scale, or delivery model. With a fast, flexible, and client-focused approach, our services are designed for agility, efficiency, and impact to meet the unique needs of every project. 


Our Markets

Since our founding, EllisDon has delivered landmark projects across every major sector, using a full range of delivery models, from Lump Sum and Design-Build to Construction Management, Integrated Project Delivery, and Public-Private Partnerships. 

The sectors below reflect the depth and breadth of our expertise, and our consistent record of excellence across Canada and beyond. 


Our Offices

EllisDon operates out of offices across North America, Europe, the Middle East, and North Africa. Our offices leverage support from each other to provide comprehensive, expert service to our clients.


Stronger Together:
The EllisDon Group of Companies

Through strategic acquisitions and partnerships including Looby Construction, PME, and Oxford Builders Supplies, EllisDon has expanded its depth, reach, and expertise across every facet of construction. Each company brings specialized capabilities and proven experience, strengthening EllisDon’s ability to deliver complex projects with the same uncompromising quality, innovation, and integrity that define the EllisDon Group of Companies.

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