What is the youngest age to register a business? In Trinidad and Tobago, you can register a business at 18 years old. By Destiny Planners Ltd|2022-01-11T16:27:42-04:00January 11, 2022|Registration|Comments Off on What is the youngest age to register a business? Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: Destiny Planners Ltd