We had submitted a call for tenders with the proposal for the maintenance of all your office computer equipment systems. We are very grateful to your company for accepting our proposal and your company is looking forward to entering into a one-year renewable contract with us. Confirmation letters are used daily by individuals, organizations and businesses for different purposes. Overall, they are used to identify a previous agreement or verify certain information upon request. Send the letter within a few days of receiving the original letter, report, order or other document. There are an infinite number of scenarios that can benefit from a confirmation letter, but a few popular examples are listed below. Letters to customers are letters written by a person or organization to other persons and/or organizations that benefit from shippers` products or professional services. . . .