"I am impressed"
"A big thank you – well done everyone – you have worked your little socks off!! Much appreciated"
"I am impressed with the way you have kept me up to date. Thank you very much"
"Thanks for all your help with ensuring we could complete as quickly as possible!"
"Yippeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee - Thanks again for all your help on this."
"Thanks for your swift action"
"Thanks for an excellent job on what was a difficult transaction"
"Thank you for the speedy process"