At Mackay Insurance Brokers Inc., our mission is to provide preferred value to our customers, employees and partners with the highest levels of integrity, service, and efficiency. We are strategically located in the east end of Belleville, so our office is easy to find. Proud to have over 100 years of brokerage experience amongst its staff, Mackay Insurance Brokers Inc. has grown to serve well over 5,000 clients in just over 35 years, is employing 12 full time staff.