Is there a charge for Additional Insureds? Taylor Smith June 22, 2021 14:58 Updated No. You may designate Additional Insureds on either the drone or CGL policies without additional premium. Related articles What is an Additional Insured? CGL - What is the difference between an Additional Insured and a crew member? May I delete an Additional Insured? Will you arrange coverage / policy types other than CGL and aviation / drone? What policy types does Thimble arrange?