Courrier-type en anglais - Remerciements pour services rendus (3)

Dear [Mr or Mrs or Sirs], I just wanted to write to tell you how much I have appreciated all you have done for us over the past ten years. Had you not been there, in many circumstances things would have turned a very different way and we would probably be [difficulties] today. You have always been reliable and available, far more than an [employé] is expected to be. I particularly appreciated your skill on [date] when [événement]. Please call on us when you come around. Thank you again for all your help. Yours sincerely [votre nom] [votre fonction]