Lost custom inquiry
[Date] [Name] [Address] Dear [Name] When updating our records we noticed that we had not heard from you for some time so we thought we would inform you on our new improved services. These include [Improvement] [Improvement] [Improvement] If you have been dissatisfied with us in the past, let us know and we will do our best to remedy the matter. We look forward to hearing from you. Yours Sincerely [Your Name] [Your Title]