By joining our application you can fill out your details such as name, email address etc, and contact companies to ask what data they hold on you. Check it out, you can download it on Google Play or The App Store -
https://tapmydata.com. I think you will have a better understanding if your able to have a play around with it.
I... prefer not to, at least until I know to some extent of who and what I am dealing with, thank you. I'm sure you can understand this.
If I may conclude from your brief description though, am I right to assume that filling some of my data would enable your system to match databases worldwide and pull information of which companies (plural) that holds data matched to the one I inputted?