There are different types of search against files at credit reference agencies. Anyone can search the public data files. These include electoral roll, court data and bankruptcy information. Even a member of the public can search these if you pay the agency the fee.(posted 8335 days ago)Credit searches can only be carried out with your consent (asignature on a form or agreement given over the phone or on the net by ticking a box and sending it to them).
The chances are that the xxxx Investigations did a public data check and that's why it's on your file. They'd lose their licence if they did credit checks on you.