Dear Sir/Madam,

Bill has just left my place after helping me to clear out my garage, and to take away the old stuff, which has been in there for years!

I want to say a very big “thank you”, and congratulate you on having people of Bill’s character doing this work for you.

He was on time, polite, and most helpful. Please pass on my thanks again to him also.

I will readily recommend your services, and most likely use them again myself.