Klarna currently uses the following credit agencies:

Experian Limited
Customer Support Centre, PO Box 9000, Nottingham, NG80 7WF
Tel.: 0800 013 8888
Email: consumer.helpservice@uk.experian.com
www.experian.co.uk
https://www.experian.co.uk/legal/crain/

TransUnion International UK Limited
Consumer Services, TransUnion Information Group, One Park Lane, Leeds, LS3 1EP
Tel.: 0330 024 7574
Email: consumer@transunion.co.uk
Privacy Information: (TransUnion Bureau Privacy Notice) https://www.transunion.co.uk/legal/privacy-centre

Klarna currently uses the following fraud prevention agencies and companies providing address validation:

LexisNexis Risk Solutions Group
80 Harcourt Street, Dublin, Ireland
Emailage and ThreatMetrix services:
Processing Notices | LexisNexis Risk Solutions

Cifas
6th Floor, Lynton House, 7-12 Tavistock Square, London WC1H 9LT, UK
Link to Fair Processing Notices for Cifas' Databases.
Link to request your data: https://www.cifas.org.uk/dsar

Telesign Belgium BV and Telesign Corporation Inc
Koning Albert II-laan 27, 1030 Brussels, Belgium /
13274 Fiji Way, Suite 600, Marina del Rey, CA 90292 USA.
Telesign privacy notice.

AtData LLC
770 Legacy PL, Dedham, MA 02026, United States
https://atdata.com/privacy-policy/

GB Group plc
The Foundation, Herons Way, Chester Business Park, Chester CH4 9GB.
GBG Privacy policy