A construction site is prone to dangerous accidents and mishaps due to natural circumstances. The contractors insurance policy provides comprehensive or specific protection against damage or loss occurring at the construction site due to accidents, injuries, site asset management, etc. This insurance is mainly for builders, architects or site engineers. In Canada, CHES Special Risk is the best commercial insurance companies in canada . Some of the benefits of buying contractors insurance are as follows: 1. Covers damage due to unforeseeable circumstances An infrastructure under construction is subject to several threatful events like damages due to fire or wind, the unexpected occurrence of natural calamity, and numerous other unforeseeable events. Buy contractors insurance that specifically endorses such events and helps in making up for the losses caused by the events. However, compensation can be availed only for the limited sum of the amount mentioned in the policy.