Last updated: October 24, 2026.
Email is the fastest way to reach us: hello@knowthesite.com.
What to email us about
- Your order or your files. Use the email address you paid with. If a download link stopped working, we will send new links for a paid order that has not been fully refunded.
- A refund. Email us within 30 days of the files arriving, from the address you bought with or with your receipt. No reason needed. See our Refund Policy.
- Privacy requests, such as seeing, correcting or deleting your information. We answer within 30 days. See our Privacy Policy.
- Your privacy choices on this site. Use the "Your Privacy Choices" link at the bottom of every page. It works in the browser you use it in. An email can't change it there.
- An accessibility barrier. Tell us the page or guide, what happened, and the format that would help. We aim to reply within 5 business days. See our Accessibility Statement.
- A possible correction to a guide. Send the guide title, section, and sentence, with an official source link if you have one. Leave out customer information and legal letters. See Guide updates and corrections.
- Using the guides for more than one business. Ask before you share them.
What we can't help with
We can't answer questions about using the checklist or the guides, or about your website. We can't give legal advice, review a letter you received, or tell you whether a law covers your business. If a demand letter or lawsuit has arrived, stop and take it to a lawyer.
Please don't send passwords or login details for your website or other accounts.
Postal address
Tomme, Inc. 2108 N St #13526, Sacramento, CA 95816 United States
Tomme, Inc. is a California corporation, California Secretary of State entity number 4096370. Know the Site is a name Tomme, Inc. uses.