Adding a photo of the actual aircraft would also be nice. From the website it's hard to tell whether this is a real business that's currently in operation, or just a site mock-up. Have you actually started flying yet? I can't tell.
The more they hide the less confidence people will have in them.
The contact name in the WHOIS appears to be an attorney.
I don't see any entry for JumpDriveAir or variations thereof in the ICAO operating agency list ( Doc 8585 ) so I assume they're not the carrier themselves.
We won't even be able to start arguing whether this idea has wings until the first wheels leave the tarmac.
I find it a bit misleading that you don't state this more clearly upfront.
> We'll have our first flights within the next few months.
... if everything goes as expected, if not then you'll be liable with a whole bunch of angry first customers.
If I get an e-mail in a couple of months that this works, awesome, I'll give them a spin. If not, oh well. But why would their customers be angry? It's pretty clear it's not an existing service yet.