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Auto Claims Form


Middlesex Mutual Insurance Co.
Proudly insuring Canadian clients living in Ontario, since 1876

For our Canadian policyholders, we have a number of options available.

For immediate assistance:

During office hours call us directly at 519-666-0075 or Toll Free at 1-800-851-4045

For After-Hours Emergency Claims

  • Our Claims Adjuster is available by cell phone at 519-860-0750
  • Should our Claims Adjuster not be available you will be prompted to contact our Dedicated Independent Adjusters' after-hour's line at 1-888-584-7929

If your situation is not urgent, you can choose to complete our claims form below:

A Claims Adjuster will be assigned to your file and you will be contacted, usually within 24 hours of our claims department receiving your claims notice.

To our American neighbours:

We are not licensed to write automobile insurance for any clients residing in America. Please reach out to the Broker listed in your insurance documents to report any claims. We are not able to respond to any claims reports left on this website.

Thank you.

Mailing Address - MUST BE CANADIAN


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