Your Name
Your Title
Your Business Name
Your Address
Your City, State Zip

Date of Letter

Client Name
Client Title
Customer Address
Customer City, State Zip

Dear Client Name:

Paragraph thanking your new client for their interest in your products or services.  Ensure them that they have made the right decision by choosing you and give specific details as to why.

Paragraph describing any materials included with this letter.  Describe exciting details about your products and services explaining how the new client will benefit from them.

Paragraph describing promotions or discounts as an incentive to utilize your products or services.

Summary paragraph with your contact information such as your phone number, location, business hours etc. Be specific as to the clients account manager, any toll free numbers, or any other details that will help ensure the client's ease of communication with you.

Short paragraph promising the client your dedication to his/her needs and give them any incentives to continue to use your products or services.

Sincerely,
Your Name
Your Title