C-3ins.com is a website for an insurance agency based in Northern California called C3 Insurance Services. They provide different commercial and personal insurance options like auto, home, life and business policies to customers in the region. The site makes it easy to find insurance quotes and connects users with agents who can explain the coverage options for their needs.
C3 Insurance Services has been in business for many years and is licensed by the state. Their website looks professionally designed and explains the various insurance products and services they provide in clear terms.
Everything points to the site and business being completely legitimate.