Canada’s Largest Forensic Engineering and Fire Investigation Firm
Origin and Cause provide cross-disciplinary forensic expertise to insurance companies, law firms, independent adjusters, manufacturers, and corporate risk managers in Toronto and all over the Canada. We have been a trusted leader for over 25 years, helping our clients discover the truth by determining the facts through expert forensic engineering investigation.

Our Forensic Experts
At Origin and Cause, each investigation is led by a highly trained forensic expert with an average 25 years of investigative experience. Cumulatively, our team has investigated over 30,000 cases.
Cutting-edge Failure Analysis
We respond rapidly to incidents, bringing decades of forensic engineering expertise to bear. Our engineers find accurate and practical solutions for our clients in Toronto and across Canada. Our meticulous work in the field and in the lab, combined with our industry-leading reporting provides clients with accurate reports and testimony that can make the difference to claims and legal outcomes.
Our Services
All major forensic investigation and engineering fields are covered by Origin and Cause's services. With over 1,500 legal cases across Canada, the United States, and the rest of the world, we are also leaders in forensic litigation.
Delivering the Facts
Our reputation is built on our integrity and commitment to the facts. We guarantee unbiased opinions based on factual evidence determined through scientific methodology, examination and laboratory testing. Every investigation is led by a forensic expert with an average of 25 years’ experience.
Leadership Team

Mazen Habash
President

Art Beleda
Vice President Eastern Canada

Ryan Dobson
Vice President Western Canada

George Costandi
Director – National Sales and Marketing

Shauna Hall
Branch Manager

Vladimir Chlistovsky
Operations Manager - GTA

Peter Hamilton
Manager - Atlantic Canada

Steve Klimpel
Operations Manager – Northern and Eastern Ontario/Atlantic Canada

Matthew Obach
Manager - Manitoba & Saskatchewan

Said Ismail
Operations Manager – Ancaster

Adam Lohonyai
Structural Forensics Practice Lead