The Review of Arm’s Length Bodies recognised the role of Visit Britain and Visit England in promoting Britain as a tourism destination around the world.
The organisations are now awaiting details of their budgets, expected to be revealed next week.
Visit Britain chief executive Sandie Dawe said: "We have a huge task ahead to deliver the Government's ambition to generate a sustained increase in tourism as a result of the 2012 Olympic and Paralympic Games. We aim to create an inspirational global campaign to market Britain in partnership with the private sector, which takes full advantage of the four billion audience that will watch media coverage of the event.
"Thankfully we have a clearer mission from Government than ever before and unprecedented engagement from Ministers. We have a plan for the Games that is equal to the job and we are already years down the road to success."
She added that tourism is poised to expand faster than retail, chemicals, transport, the utilities and manufacturing, with only construction and financial and business services looking more promising.
The news comes after English Heritage was also given the green light following a much-publicised cull of non-governmental bodies.