Sending thank-you emails or letters to vendors and service providers that demonstrate sincere appreciation for their work is an excellent way to maintain a positive, mutually beneficial business relationship. It only takes a few minutes to share your appreciation for a job well done, and it’s well worth taking the time to write.

How to Write a Thank-You Letter

Thank-you letters should begin with a statement thanking the vendor for their service. The rest of the letter will list reasons why you’re thankful for being able to rely on them, as well as a statement of hope for the continuation of your business relationship with them in the future.

What to Include in Your Letter

Instead of a simple, “Thank you for your business,” write statements like, “It meant so much that we were able to rely on your consistent deliveries during the difficult winter weather,” or “Our business has flourished since we established our contract five years ago," or “Thank you for your willingness to accommodate our need for occasional weekend service, despite being given very little notice ahead of time.” Specific examples will help to strengthen and confirm the point you are making—that you remember the times when they went the extra mile to provide outstanding service. Here are some examples of business thank-you email messages to send to vendors who have been especially helpful.

Sample Thank-You Letters for a Vendor or Service Provider

More Examples and Writing Tips

There will be many times throughout your career when you’ll need to write thank-you letters. Here’s how to write a thank-you letter, including who to thank, what to write, and when to write an employment-related thank-you letter. Dear Joanne, I really appreciate all of your help in getting our restaurant ready for opening night. You’ve been right there, helping out wherever and whenever needed for these past few months. From ordering supplies, to supervising the set-up of the dining room, to helping with the menu and marketing—we couldn’t have done it without your expert consulting services. Everything has finally come together, and we’re ready to open the doors to the public, assured —thanks to your hard work—that our grand opening will be a memorable one that establishes our reputation as the hottest new “go-to” spot in the community! I appreciate your assistance very much and look forward to continuing our collaboration. Sincerely, Marvin Dear E.J.B. and Sons, I am writing to thank you for the quality of service provided by your company. We sincerely appreciate your efficient, gracious customer service, the level of detail and accountability you have demonstrated on each project, and the way you conduct business as a whole. We have, and will continue to, recommend your services to other companies and contacts. Our team could not be more satisfied with your work, and we look forward to continuing this relationship. All the best, Sara Dear Ms. Garrett, We would like to express our sincere appreciation for your service to us as one of our most reliable regular suppliers. Ever since we signed our contract, you have provided the highest quality products with even better customer service. Deliveries are often received earlier than expected, and you are quick to resolve any issues that arise.  We look forward to extending our contract with you for years to come and hope you will continue to provide such excellent service to us. We could not conduct our business without you! Thank you for a favorable first year in business together, and we look forward to many more. Warm regards, Eva Danielsen