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 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

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