OUR HISTORY
One of the top construction companies in Ontario.
Started in 1994, Sierra Construction Group has grown our services from Infrastructure projects to include professional divisions focused on Design-Build, Construction Management, General Contracting, Bridges, and Aggregates to better serve customers across Ontario.
Sierra Construction has been recognized as one of the top construction companies in Canada—but it's the trust of our clients that is the best recognition.
Today, Sierra Construction Group provides a full range of services to a diverse customer base across Ontario. Our success is based on our dedication to quality, timeline, and professional and environmental safety. We constantly work to provide our employees with safe working conditions and our clients with environmentally responsible job sites and professional construction management.
1994
Company Started
We began as a sewer/watermain contractor in 1994 as Sierra Construction Ltd.
2009
Environmental Safety Certification
We obtained our ISO 14001 Certification for Environmental Safety
2017
Further Growth
We added a Bridge Division to Sierra Construction Group
1996
We Grew
We added a General Contracting Division
2013
Continued Growth
We added an Aggregates Division and became COR Certified and joined the Canada Green Building Council
2019
25 Years in Business
We celebrated our 25th year of business.
2001
Quality Certification
We obtained our ISO 9001 Certification an Internationally recognized Management System
2016
The Rebrand
We rebranded as Sierra Construction Group
1994
Company Started
We began as a sewer/watermain contractor in 1994 as Sierra Construction Ltd.
2009
Environmental Safety Certification
We obtained our ISO 14001 Certification - an Internationally recognized Environmental Safety Management System
2017
Further Growth
We added a Bridge Division to Sierra Construction Group
1996
We Grew
We added a General Contracting Division
​
2013
Continued Growth
We added an Aggregates Division and became COR Certified and joined the Canada Green Building Council
2019
25 Years in Business
We celebrated our 25th year of business
2001
Quality Certification
We obtained our ISO 9001 Certification - an Internationally recognized Quality Management System
2016
The Rebrand
We rebranded as Sierra Construction Group
