This letter is sent after you have been awarded the business. It is used to offer an adjunct service or warranty to the client. Like any sale, list the benefits of this new service and how it relates to what they just purchased.
1234, Main Street
Boston, MA 02123
08 April, 2005
<Recipient Address Goes Here>
Thank you for <what they purchased>. We're sure you will be happy with your decision. In order to <what it will do>.
Consider these benefits:
- <list of benefits>
To take advantage of this offer, please <action>.
I look forward to hearing from you.
encl: <List of enclosed items goes here>