The searches conducted by Percayso Inform are classed as soft searches. These types of searches should not affect your credit rating.
The ways in which these Credit Reference Agencies use and share personal information is explained in more detail at the following links:
https://experian.com/crain
https://www.transunion.com/crain
https://www.equifax.com/crain
There is also a really useful article available on the Money Saving Expert website:
https://www.moneysavingexpert.com/insurance/comparison-site-credit-score/
