Electrical Safety Authority (Ontario)
Ontario law requires electrical work done for hire to be performed by a Licensed Electrical Contractor registered with the ESA. The "Find a Contractor" tool verifies the ECRA/ESA licence number.
Verify on the official register →
Based on public register entries and source listings collected up to May 11, 2026. Not an official membership count.
Check a specific contractor
Thinking of hiring someone? Confirm their current ESA status on the official register, then run their name through our Cowboy Checker to see their reviews, credentials and company details in one place.
Where ESA holders are
- ON
- Ontario
ESA holders with review evidence
These businesses hold a current ESA entry and have customer reviews we can show. This is a small slice of all holders, not the register itself.
Common questions
What is Electrical Safety Authority (Ontario)?
Ontario law requires electrical work done for hire to be performed by a Licensed Electrical Contractor registered with the ESA. The "Find a Contractor" tool verifies the ECRA/ESA licence number. (Licence required by law.)
How many contractors hold Electrical Safety Authority (Ontario)?
We track 5 contractors with a Electrical Safety Authority (Ontario) entry, based on register and listing data collected up to May 11, 2026. This reflects the public entries we have collected, not necessarily the scheme's complete membership.
How do I check whether a specific contractor holds Electrical Safety Authority (Ontario)?
Check the official register at https://findacontractor.esasafe.com/, or look the contractor up on MyTrustedTraders. Profiles show the credentials we have found for them, alongside reviews and other public evidence.
Keep checking
We show what the public sources say, with dates. A listing here is not an endorsement, and absence from our data does not mean a contractor is unregistered. Always confirm current status with the scheme before you hire.