If you've landed on assets-staging.noviams.com, you're probably looking at a development or staging environment for Novi AMS, a membership management platform. The site itself is broken — it returns a 400 error, meaning the server can't process the request. This is not a live business website, and it has no privacy policy, contact info, or any content to speak of.
For a staging subdomain, the lack of transparency and legal pages is normal; it's not intended for public interaction. The domain is hosted on Microsoft Azure with a valid SSL certificate, so it's not malicious. But the bigger question is: why are you there? If you were directed to this URL by a link or email, be cautious — it's not a place to enter personal information or make a purchase. A legitimate company would direct you to their main site, not a staging subdomain. There are no assets-staging.noviams.com reviews online because there's nothing to review. The safest move is to leave the page and go to the main noviams.com domain if you need to access their services.