Welcome To

Olivieri Electrical Services

Serving residential, commercial and industrial customers throughout Ancaster, Hamilton and surrounding areas. Our company is committed to providing quality, knowledgeable and reliable electrical services from new installations and renovations to preventative maintenance or repairs.

Why choose us?

OES is fully insured and a registered electrical contractor with the Electrical Contractor Registration Authority (ECRA) of the Electrical Safety Authority (ESA). Offering a wide range of electrical services and available 24/7. We strive to bring strategic value and many years of experience to every stage of your project from start to finish.


Contact us for all your electrical needs!


Commerical & Industrial

Service & Maintenance

Recent Posts