Popular Cities
2 of these contractors are based in Dundas; the others serve Dundas from towns including Hamilton, Oakville and Burlington.
6 open 24/7 · 13 open weekends · 23 rated 4.5+ · 12 show a licence
Data verified October 19, 2026
The 24 contractors listed for Dundas, ON handle panels, circuits, garage feeds and charger installs. What appears under each one about licensing, hours and advertised work is taken from that business's own site, with ratings and comments from public reviews.
The 24 contractors on this page are rated from 4.4 to 5.0 across 1,871 reviews; 15 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), responsiveness (84%) and quality (83%). The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "efficient". 6 are open around the clock; 13 are open on Saturdays and 7 on Sundays. 12 show a licence on their websites. Domain records put 10 websites of the contractors on this page at ten or more years old; the oldest dates from 2003. 8 offer emergency call-outs; 1 offers financing or payment plans; 13 give free estimates; 5 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 24 of the contractors on this page; 21 publish a contact page; 20 list a public email and 2 take bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
Overnight calls are taken by 6 of the 24 contractors listed here. A dead furnace circuit in January is worth the callout rate. Expect the faulty circuit to be isolated and the rest of the house restored, with the proper repair booked for the next working day.
