We take pride in our work and it shows.
Oosterhof Electrical Services Ltd. has a simple goal: to provide quality electrical service and installation in the Kingston area. People have come to trust us to provide quality electrical solutions and installations with friendly and honest service. Building on our strong foundation of hard work, we continue to meet this goal on every job we do. The Electrical Safety Authority has recognized our high standards by designating Oosterhof Electrical Services Ltd. as a Pre-Authorized Contractor.
Since 1991, our highly trained, experienced staff has provided electrical service you can trust. Oosterhof Electrical Services Ltd. is dedicated to keeping our staff trained and informed in all areas of the electrical trade.
We take pride in our work, and it shows. Our reputation for excellence has earned us the highest regard from our customers and fellow trades people. When many of the Kingston area’s premier building contractors require quality electrical services, they turn to us to meet their own exacting standards.
We have worked for more than 25 years as a designated Pre-Authorized Contractor with the Electrical Safety Authority (ESA). This means that we have a reputation for quality, credibility and safety that is well known across Ontario.
Our portfolio confirms that Oosterhof Electrical Services Ltd. performs a wide array of jobs and field experiences in the ever-growing electrical trade. Whether you have a residential, commercial or industrial need, our company is fully capable of performing the job to the highest standard.
Oosterhof Electrical Services Ltd. is a proud member of the Ontario Electrical League and the Greater Kingston Chamber of Commerce. We also believe in giving back to the community by actively supporting Kingston area schools and charities.

Our Code of Conduct
- Ethical conduct is valued and exemplified by our employees.
- We are committed to excellence in meeting the expectations of our customers.
- We are dedicated to keeping our staff trained and informed in all areas of the electrical trade.
- We will comply with the rules and regulations of all government authorities and the Ontario Electrical Safety Code.
- We will ensure good service, quality workmanship and public safety.
- We will continually strive for improvement of best practices.
- We will endeavour to make a positive contribution to our local community.
- We will provide a safe and healthy workplace.
- We will engage in fair business practices, including using qualified and/or certified employees; maintenance of appropriate liabitlity insurance; and respect fair competition.
What our customers have said about us:






