In this article, we will describe how to write a business letter, the different parts of a business letter, give you some tips for writing a successful letter, Learn what letters to clients are, review tips to help you write them and follow these templates when crafting engaging client letters.Make the letter clear and include only the details that describe the problem and the resolution you want. The sample letter below might help. Tailor your letter to highlight specific experiences and achievements relevant to the customer service role. Attached are the forms and instructions to form a Florida Limited Liability Company pursuant to Chapter 605, Florida Statutes. Focus on a direct statement such as: "We are writing to inform you" or "We are writing to request". Customer service letters are some of the most important letters you will write. Florida Free Letter of Intent ( LOI ) Template. Utilize our Letter of Intent to formally express your desire to buy a product or service.