Slingsby Site Maintenance Go to / Join Merchant Written by Optimus Performance Marketing on January 21, 2021. Posted in Uncategorized Slingsby Affiliate Newsletter Slingsby Site Maintenance The Slingsby Website is currently undergoing some routine maintenance, and will be back up and running as soon as possible. For any enquiries please email us at - mikey.williams@optimus-pm.com Thank you for your patience. Join Slingsby Affiliate Programme With AWIN