A GREAT tool for checking companies and web sites is
https://whois.domaintools.com
You can use this to check out who is behind a web site. Now you are welcome to check us out and we keep our details quiet as we are all retired. However, a money making site, company or anyone offering a paid service should make there details visable – if they don’t you should question if the site is to be trusted. Transpancy is the key to an honest web site when you are investing in them.
A poor site looks like this

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