This business name was inspired by the keywords "turnkey" and "members". Catchy and easy to spell, and with excellent keywords to attract the search engines.
TurnkeyMembers.com is a .com domain. Dot com domains are the most desirable top-level-domain in the world, famously used by websites like youtube.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.
Business Services Brand
Services for Clubs or other Groups
App for Member Access
Content or Services Membership Site
Tech app / service