On behalf of our family we wish to thank you for your professional services during our difficult time. We appreciate your kind and thoughtful service.Write an excellent thank you letter for donations. Get tips and best practices, plus three inspiring samples and ready to use templates! "Your generous donation has made it possible for us to provide essential services to those in need. We are deeply grateful for your support. We are very appreciative of the kind words received. Our continued commitment is to provide excellent care and compassionate service to all those whom we serve. We are eternally grateful for your generosity. Are you unsure of how to go about sending a donation thankyou letter?