Become a Sponsor

Why Become a Sponsor?

It's time for encrypted communications to be the default on the Web and Let's Encrypt is going to make it happen. The HTTPS growth rate on the Web has quadrupled since we launched in Q4 2015. Our certificates are used to encrypt more than 8 million websites.

This is big, and we want you to be a part of it. Help us lead the way to a secure future for the Web.

Corporate Sponsorship

Platinum $350,000/yr (USD)
$300,000/yr (USD) with a 3-year commitment
Gold $150,000/yr (USD)
Silver $50,000/yr (USD) 1000+ employees
$25,000/yr (USD) 100-999 employees
$10,000/yr (USD) 1-99 employees

If you'd like to become a corporate sponsor please email

If sponsorship is not an option for your organization please consider simply donating any amount.

Our Organization

Let's Encrypt is operated by a non-profit called Internet Security Research Group (ISRG). ISRG’s mission is to reduce financial, technological, and education barriers to secure communication over the Internet.

ISRG is a California public benefit corporation, and is recognized by the IRS as a tax-exempt organization under Section 501(c)(3) of the Internal Revenue Code.