I have looked at www.chimuadventures.com.au
Has anyone used this company? Would you recommend them?
Its a UK/Australia based operator for which I have no information.
I always recommend a local Tour Operator like Auqui Tours or Chasquiturs as they have more experience with the local rules and regulations and can support you better when in Peru.
I used them, and they were great. Really well organised and the best value I could find for a licensed operator to Peru. Organised my Inca trail trek and good email support. No hesitation reccomending them!
(And they do have an office in Cusco!! - Always on hand!)