Best Electricians in Thornhill, Ontario
The most trusted electrician in Thornhill, Ontario is Altman's Electrical Inc, with a ProScore of 79/100.
The most trusted electrician in Thornhill, Ontario is Altman's Electrical Inc, with a ProScore of 79/100. ProScore has verified 6 electricians in Thornhill, scoring each across 10+ data sources and 20+ trust signals. 2 of the 6 are Trusted-tier (70+) or higher.
Last updated: May 6, 2026 · Data refreshed daily
Of 6 electricians in Thornhill: 0 rated Elite (82+), 2 rated Trusted (70+), and 2 rated Good (55+).
How ProScore Ranks Electricians
Every electrician in Thornhill is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing including ESA and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.
Read the full methodology →Frequently Asked Questions
Who is the best electrician in Thornhill?
Altman's Electrical Inc has the highest ProScore (79/100) among 6 verified electricians in Thornhill, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing (ESA), WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy electrician in Thornhill?
Look for electricians with verified ESA licensing, active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Thornhill, 0 electricians hold Elite-tier ProScores (82+), 2 are Trusted-tier (70+), and 2 are Good-tier (55+).
Are electricians in Thornhill licensed?
Electricians in Ontario are required to hold ESA licensing. ProScore verifies this against official ESA records for every provider in our database. Of the top 5 electricians in Thornhill by ProScore, 3 hold verified ESA credentials and 2 carry active WSIB coverage.
How many verified electricians are in Thornhill?
ProScore has verified and scored 6 electricians in Thornhill, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Data is refreshed daily.
What's the ProScore distribution among electricians in Thornhill?
Among 6 verified electricians in Thornhill, Ontario: 0 are Elite-tier (82+), 2 are Trusted-tier (70+), and 2 are Good-tier (55+). The top 5 average a ProScore of 64/100, with Altman's Electrical Inc leading at 79/100.