Letter Templates

13 Types of Business Letters (with Formats / Samples / Writing Tips)

Any written communicative notes that are exchanged between companies and their customers, clients or other entities that convey professional and work-related messages or information serving different purposes are known as a Business Letters. Letters or business letters for that matter generally refer to a hand-written or typed letter of physical existence on a paper, although with the advent of technology, a virtual letter can also be taken into the same category.

Each of these letters has a definite purpose that is served and thus the categorization is made. The extent of formality or semi-formal approach in a letter depends on the relationship between the sender and the receiver as well. Usually, a standard business letter format is maintained in any of its kind though minor modifications are common.

Let us discuss the different types of business letters each of which fulfills different purposes.

1. Sales Letters – Typically, a sales letter serves the purpose of convincing a buyer or a customer to purchase a product or service. Written in an attractive manner that strikes the interest of the potential customer, a sales letter has details of the company and the service they are offering, along with advantageous points on how their product should be chosen over others. An integral part of marketing, they are written to fulfil customer prospects in general. More information about business sales letters.

2. Order Letters – As the name suggests, an order letter or a purchase letter carries information about an order for a product or a service. A detailed informative structure containing exact dimensions and quantities of the desired products, order letters can also be sent along with the due payment. It thus serves as a legal record of a transaction between the business and the vendor. More information about business order letters.

3. Complaint Letters – A tricky one within the scope of business letters, a complaint letter is sent with the objective to convey dissatisfaction or a grievance. The trick lies in the tone of the letter; the overall tone should be professional and stern but should also not offend the opposite party. A polite ring along the length of the letter does pay off in the business circle. More information about complaint letters.

4. Adjustment Letters – It is a letter of response sent by or to the customer with the business side on the other end that acknowledges a claim. More information about adjustment letter writing.

5. Inquiry Letters – Any kind of inquiry can be written out in the form of an inquiry letter. An information deficit, a missed out point or for any other possible questions, inquiry letters are sent to businesses to sort out the gaps. The contact information of the sender is crucial so that the response letter has a legit address. More information about inquiry letters.

6. Follow-up Letters – A letter that aims at increasing the effectiveness of a previously implemented action is known as a follow-up letter. It can be referred to as a subsequent letter that can cover a lot of topics from a general thank you to an intention to speed up a process. More information about writing follow-up letters.

7. Letters of Recommendation – A letter written by a person to effectively increase the value of a second person to a third one in the course of a new job prospect or admission among other things is known as a letter of recommendation. More information about letter of recommendation.

8. Acknowledgement Letters – A letter sent to acknowledge the delivery of another letter or information is an acknowledgement letter. More information about acknowledgement letters.

9. Cover Letter – A letter that accompanies curriculum vitae and is a precise and attractive documentation of the person and his personal and professional achievements that eventually creates an interest in the reader to go for the resume is known as a cover letter. More information about cover letters.

10. Letters of Resignation – A letter of resignation is written to convey the news of leaving a job to their immediate superior giving him notice and the reason for leaving. More information about letter of resignation.

11. Application for job – A letter that conveys one’s interest in a job stating their qualifying factors for the job accompanied by a resume is an application for a job. More information about Application letters.

12. Quotation – It is a formal statement sent by a vendor agreeing to the request for purchasing by the business at a specified price. More information about business quotation letters.

13. Job Appointment Letter – A letter that confirms the job for an applicant along with other information like salary, date of joining, a short welcome note, etc is known as a job appointment letter. More information about job appointment letters.


There are several types of business letters and most popular are listed above. To read more about how to format and write a specific type of business letter, go for more information page associated with each type.