Business Letter is a letter which is used by organizations to communicate in a professional way with customers, other companies, clients, shareholders, investors, etc. Business letter uses formal language and a specific format. Companies use it to convey important information and messages.

A business reference letter should begin with an appropriate salutation, end with a professional close, and include the following: The date. The writer's contact information (name, title, company, address, phone, email) The recipient's contact information (name, title, company, address) (in a printed letter only)

It is a written communication that serves as evidence of a business transaction, agreement, or inquiry. This letter is usually typed on a company letterhead and follows a specific format, including the date, recipient's address, salutation, body, closing, and signature.