# Ontario ESA — Electrical Safety Authority

Ontario ESA — Electrical Safety Authority is a public licensing or registration record. We cross-reference it against trader profiles as independent evidence when checking a trader.

- Type: Licence required by law
- Contractors with a Ontario ESA — Electrical Safety Authority entry in the public data we track: 603
- Data collected up to: Jul 11, 2026
- Page: https://ca.mytrustedtraders.com/certifications/ontario-esa-electrical-safety-authority

Counts reflect collected public entries, not official membership totals. Absence from this data does not mean a contractor is unregistered.

## Where holders are

- ON: 592
- QC: 2
- Ontario: 1
- Casselman: 1

## Trades that hold it

- Electrician: 598
- construction contractor: 2
- Builder: 1

## Ontario ESA — Electrical Safety Authority holders with review evidence

A slice of holders that also have customer reviews on MyTrustedTraders. This is not the register itself.

- **24/7 Electrical Service Inc**: electrician · 107 reviews. https://ca.mytrustedtraders.com/traders/ca-homestars-247-electrical-service-inc-2937223
- **Canadian Wire Wizards**: electrician · East York, ON · 66 reviews. https://ca.mytrustedtraders.com/traders/canadian-wire-wizards
- **CRF Electric Inc.**: electrician · Burlington, Ontario, ON · 53 reviews. https://ca.mytrustedtraders.com/traders/crf-electric-inc
- **Rare Electrical Service Corp.**: electrician · 39 reviews. https://ca.mytrustedtraders.com/traders/ca-homestars-rare-electrical-service-corp-2930185
- **C Ferguson Electrical Services Ltd.**: electrician · 34 reviews. https://ca.mytrustedtraders.com/traders/ca-homestars-c-ferguson-electrical-service-2943957
- **Asgard Electric Inc**: electrician · 16 reviews. https://ca.mytrustedtraders.com/traders/ca-homestars-asgard-electric-inc-2917560
- **Constcorp Inc**: 5 reviews. https://ca.mytrustedtraders.com/traders/ca-homestars-constcorp-inc-2923866
- **Direct Power Electrical Inc.**: electrician · 4 reviews. https://ca.mytrustedtraders.com/traders/ca-homestars-direct-power-electrical-inc-2955500
- **Kraun Electric Inc**: electrician · St. Catharines, ON · 3 reviews. https://ca.mytrustedtraders.com/traders/kraun-electric-inc
- **Prime Electric Inc**: electrician · St Catharines, ON · 3 reviews. https://ca.mytrustedtraders.com/traders/prime-electric-inc
- **RFG Plumbing**: electrician · Essex, ON · 3 reviews. https://ca.mytrustedtraders.com/traders/rfg-plumbing
- **Evolt Electric**: electrician · ON · 1 reviews. https://ca.mytrustedtraders.com/traders/evolt-electric

## Common questions

### What is Ontario ESA — Electrical Safety Authority?

Ontario ESA — Electrical Safety Authority is a public licensing or registration record. We cross-reference it against trader profiles as independent evidence when checking a trader. (Licence required by law.)

### How many contractors hold Ontario ESA — Electrical Safety Authority?

We track 603 contractors with a Ontario ESA — Electrical Safety Authority entry, based on register and listing data collected up to Jul 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 Ontario ESA — Electrical Safety Authority?

Look the contractor up on MyTrustedTraders. Profiles show the credentials we have found for them, alongside reviews and other public evidence. Ask the contractor for their registration details too.