Which Credit Agency do Monzo report to?

[tbutz (🏳️‍🌈 Producer of "low value commentary")]

LMGTFY:

Switching to Monzo - Will it affect credit score/rating

Monzo currently only report to one credit reference agency (TransUnion - report accessible for free via Credit Karma). If you are looking at reports from the other credit reference agencies your Monzo account won’t show up.