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Dorchester Insurance

We are an independent, locally owned insurance brokerage located in Dorchester, Ontario.

Our Story

Locally Owned

Our story first began in 1989 when Dorchester Insurance Brokers Ltd was founded by Brian Wallace and Ken Thornton.

Now under a second generation of ownership, the team at Dorchester Insurance continues to provide professional, friendly, and highly personalized service for families and businesses across Ontario.

Family Oriented

In 2002, Ken’s son Derek joined Dorchester Insurance followed by Brian’s son, Owen, in 2008.

As a family-oriented business at our core, we value maintaining personal relationships with our clients and the insurance partners we work with on a daily basis.

No matter what your specific situation is, we are on your side and ready to listen so that we can help you find the very best coverage.

Long-time Community Involvement

We are from Dorchester and have been working as a locally owned brokerage in Dorchester for over 30 years.

As a company, we are highly invested in this community and proudly support local events, groups, and initiatives. 

Why Work with Us?

Over the past 30 years, we have cultivated long-standing and strong relationships with some of the best insurance companies in Canada.

When working with us, you not only gain access to this network, but we can also work together with multiple insurers to get you the best deal.

We have been around long enough to understand that every family, business, and situation is unique.

That’s why we proudly take a personalized approach to customer service. 

Drawing from our vast industry knowledge and experience, we are committed to finding the right solutions to meet the exact needs of our clients. 

At the end of the day, we want our clients to have the peace of mind and security they deserve. The insurance market can be difficult to navigate alone – let one of our licensed professionals help you find the perfect coverage for your family or organization.

“I have been a client of Dorchester Insurance Brokers since 2009, and am very satisfied with the service I receive from my insurance broker Derek Thornton. He provides valuable advice to ensure my family has the coverage we need at a great price. Derek is accessible, responsive, and proactive. I highly recommend both Derek, and Dorchester Insurance Brokers.”

Christin F – Oshawa

Client since 2009

“I have been with Dorchester Insurance Brokers since my first car and first home years ago and they have always been helpful. It’s great to tell Derek what I need and he figures out what works best for my situation. I wouldn’t think of looking elsewhere.”

Johnathon B – London

Client since 2008

“We’ve been very satisfied with Dorchester Insurance Brokers Ltd. and would recommend them to anyone looking for AMAZING customer service, IMMEDIATE responses to any concerns, and ALWAYS the best rates! They have gone above and beyond to make sure we are covered for our farm needs, and also do detailed annual reviews to evaluate any changes in those needs. Long time clients of over 40 collective years between both my wife and myself.”

Jason and Julia R

Client since 2004

“I’ve had my insurance with Derek and Owen for over 15 years. They provide competitive rates and excellent customer service. They are always available to assist, even after hours. I’ve called their cell on a Saturday morning when I had questions and needed help with a claim. They walked me through the whole process and made me feel very at ease. I would recommend their services to anyone!”

Katie M.

“I’ve been taken care of by Dorchester Insurance Brokers for over a decade now and have always had a great experience. Owen is fantastic at keeping our best interests in mind and making sure we have the best possible coverage. He’s always so pleasant to work with and his prompt responses are very much appreciated. Overall, highly recommended!”

Shannon B.

Client Since 2005

Meet the Managing Partners

Since 2010, Derek and Owen have taken over full responsibility for Dorchester Insurance. Here’s a bit more about their background and how you can contact them. 

Derek Thornton

Derek Thornton

Office: (519) 268-3535
Email: [email protected]
Social Media: LinkedIn

Derek Thornton grew up in Dorchester and attended Fanshawe College. After receiving his Business Insurance Diploma in 2002, Derek received his Registered Insurance Brokers of Ontario (RIBO) license and joined Dorchester Insurance. He completed his Chartered Insurance Professional (CIP) designation in 2008.

Derek lives in Dorchester with his wife Katie and their daughter Rylie.  Derek is an avid sports fan, he loves watching Baseball, Hockey and European Football.  In his spare time he enjoys playing sports, travelling, reading and spending time with family and friends.

Owen Wallace

Owen Wallace

Office: (519) 268-3535
Email: [email protected]
Social Media: LinkedIn

Owen Wallace grew up in Dorchester and attended Fanshawe College. After receiving an Honours diploma from the Legal Assistant program in 1995, he went on to receive his Registered Insurance Brokers of Ontario (RIBO) license in 1998. Since then, he has worked as an insurance broker, receiving his Canadian Accredited Insurance Broker (CAIB) designation in 2002.  He joined the team at Dorchester Insurance in April 2008.

Owen lives in Dorchester with his wife Rebecca and their son Isaiah and their daughter Lyla.  Owen is an avid sports fan who loves to watch Baseball, Hockey, Football, and Basketball.  In his spare time, he enjoys fishing, reading, listening to music, playing golf, traveling, and spending time with family and friends.

Our Community Involvement

We proudly support local community events and groups such as the annual Dorchester Fair, Dorchester Minor Hockey Association, Dorchester Minor Soccer, Dorchester Dolphins Jr C Hockey Team, Dorchester Minor Baseball and Dorchester Ringette.   We are also members of the Thames Centre Business Association, Insurance Brokers Association of Ontario, and the London Insurance Brokers Association.


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