Become a Sponsor

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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. Our certificates are used to encrypt tens of millions of websites, which has helped the HTTPS growth rate on the Web to quadruple since we launched in Q4 2015.

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)
Gold Basic $85,000/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.