About us

Our commitment is to serve with character and purpose, all while respecting the environment and the people we work with.

Where we
come from

Our history

Duomax Developments is a locally-owned general construction contractor providing services throughout the Niagara Peninsula and surrounding area. We have been active in construction management, design-build, pre-engineered building services, and competitive tendering since our incorporation in 1975. These decades of operation have established our reputation in the industry and built up our network of trusted employees and sub-contractors.

Talk to us to learn how you can leverage our expertise on your next project.

contact us

About us

Our commitment is to serve with character and purpose, all while respecting the environment and the people we work with.

Our philosophy

How we work

Whether it is a large new construction project, a renovation, or a contract management project, we give the same focused attention to each project’s details. We strive to provide our clients with a completed build within budget and on schedule. Open communication and positive working relationships with our clients and architects help us to create a stress-free process for everyone.

our process

Meet our team

Duomax employs a diverse team. Each member is held to our core values of integrity, loyalty and honesty.

John Werkman c.e.t

Project Manager | Owner

John has been with the company for 41 years. After graduating from Niagara College with a diploma in Certified Engineering Technology in 1982, he became an estimator for the company owned by the McCollum family. Working from the ground up, he progressed to project manager and then, in 2010, he became the owner of the company. His dedication and passion for the construction trade is what drives Duomax to excellence.

Ed Poort

Project Manager
Estimator | Owner

Passionate about trades from a young age, Ed joined the Duomax team straight out of high school. He completed his general carpentry apprenticeship and progressed from certified carpenter to site superintendent. In 2017, he gave up his tools to become the primary estimator for the company as well as a project manager. In 2019, he also became part owner of the company.

Stephan Jaeggi

Project Manager

Our Swiss import, Stephan brings a wealth of professional knowledge with an international perspective. He joined the team in 2008, moving to the Niagara Peninsula from Switzerland. He has years of experience in the overseas construction industry and has a professional designation as a carpenter/finish carpenter. As a detail oriented person, he has now been our chief site superintendent and project manager for over 15 years.

mike Werkman

Site Superintendent

Mike worked for Duomax on and off for years before committing as a full-time site superintendent in 2017. He has completed his general carpentry certification with the company, and now runs our Pre-Engineered Building division. He is a vital part of our team, and brings a wealth of experience to every project.

Joel Werkman

Estimator

Coby Werkman

Office Manager

Spencer Hare

Site Superintendent

Calvin Buikema

Site Superintendent

Landon Buikema

Site Superintendent

Jason Werkman

Certified Carpenter

Calvin Nobel

Certified Carpenter

Lucas DeVries

Apprentice

Kade Vanderkooy

Apprentice

Gideon Boateng

Labourer

Liam Mans

Labourer

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some of Our great clients

Apply to work with us

Contact us to apply to work with the Duomax team. Fill out the form below or email your resume to info@duomax.ca.
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