Semaphore Family of Companies | 2,721 followers on LinkedIn. When your passion becomes your business, Semaphore will be your guide. | Semaphore provides a suite of end-to-end services to many of the world's leading YouTube talent and content creators. Our teams are led by experienced tax professionals, bookkeepers, brand integration staff, as well as those with experience in insurance and investments. Providing customized services, we have been extending the longevity of creators entertainment lifespan beyond what was traditionally thought to be possible.