How To Write A Parik Support Letter . A support letter can come from a major partner in a company, a key benefactor, another similar foundation, a representative of congress or any of the main stakeholders in the company. Start your letter using the recipient’s names; Letters of Support LBDFI from lbdfi.org This letter of support is to confirm that i [your name] will be providing full financial support to [name of the beneficiary] during [your reason for offering your support] until a time when [period], so he/she does not become a financial burden. State that you pledge to provide financial support to the applicant.the letter must contain all of the significant details like the applicant’s name, your names as the person giving support, and even the financial support you will provide. The last paragraph should be a conclusion paragraph.