Integrated Multi-trade Excellence
Roberts Onsite is one of Ontario's largest multi-trade contractors providing turn-key solutions for industrial, commercial, institutional and energy projects.
Our comprehensive electrical, mechanical, and millwrighting and rigging departments offer a truly integrated solution to the construction process.
Our commitment to you: Update on actions we are taking to respond to COVID-19
Roberts Onsite is working hard to protect the health and safety of our employees, our customers and the public during this unique time. Learn about the actions we have taken.

Roberts Onsite earned CORâ„¢ certification in 2017, demonstrating our commitment to protecting the health and safety of our people and the environment. Congratulations to all of our employees, management team and safety staff for a job well done!
Project Profiles
Company Overview

Roberts Onsite has developed into one of the largest and most respected multi-trade contractors in the industry.
This solid reputation has grown out of the concerted efforts of our dedicated team of professionals.
News
- March 5, 2021We're Hiring a Job Cost Administrator
Roberts Onsite is hiring. We are looking to add a full-time Job Cost Administrator to our Mechanical Division. Learn more about this opportunity and apply today.
- March 5, 2021Heat recovery loop expansion
Our Mechanical team was proud to complete a segment of an extensive heat recovery loop expansion project at a local educational facility.