I have no experience with them, but they have quite a few projects (resi and commercial) under their belt and are not likely to fold and disappear overnight, so it is good in that sense. The biggest worries are the "one project wonders"
The Y-man
Genia,
The site is pepered with OTP stories (good and bad - but mostly bad - this just could be because good ones don't make an interesting story)
Google: somersoft.com otp
The Y-man