Chizzy, click on their web site (at te bottom of the post), all the info should be there.
2Par, Bookkus has been posting here for over a year and I've not heard any complaints.
That said, it is up to each person to do their own due diligence in checking out any place they consider sending their work to. So why not check it out and see if it might be a good fit for your work. Nothing lost but a little bit of time.