How To Write A Letter To Thank A Sponsor . Thanks to your sponsorship over the last six months, we have been able to collect hundreds of blankets, toothbrushes and other necessary items for the homeless people our charity helps. Below is a sample thank you letter, you can add more information to this letter if you wish. 15+ Sponsor Thank You Letter Templates, Samples and Examples from www.doctemplates.net Sample conference sponsorship thank you letter. Thank you letters to teachers edutopia. Promote the importance of your sponsor’s role in making your event a success on social media.