A company that sells insurance products, handles contracts, and pays insurance claims; includes car, life, and other insurers.
母は自動車保険を別の保険会社に切り替えた。
My mother switched her car insurance to a different insurance company.
事故が起きたらまず保険会社に連絡してください。
If an accident happens, first contact your insurance company.
旅行前に複数の保険会社から見積もりを取った。
Before the trip I got quotes from several insurance companies.