When a business is small and has only a few travelers, having employees book their own travel arrangements has a small financial impact on a company.  As a company grows and more people travel, it becomes more important that executives focus more on the job of overseeing and growing the business and less on managing the travel-related details of multiple employees such as changing flights.

This is when a business should hire the expertise of a travel management company (TMC). Businesses can use…

Houston Biz Journal
Are travel management companies relevant to modern companies?