HostGator:
To cancel your account, please fill out
http://www.hostgator.com/cancel.php.
SEO Hosting:
To cancel your account, please email sales@seohosting.com along with your account information.
You will receive an email immediately confirming we have your request. If you do not get this email back within 1 hour, we did not receive your cancellation request and you will be held responsible for any charges as a result.
Once you know we have your request, please allow us 48 hours to verify your identity and close your account. Your account will remain active until you receive our second email confirming you were canceled successfully.
We typically offer a pro-rated charge for shared hosting when you have not used the time for which you paid. Please understand, we cannot offer a refund or pro-rated amount until after your account is canceled.