Trainline as a subprocessor: 2 vendors that use it (November 2026)

2 vendors in the directory name Trainline on their published subprocessor list, read from each vendor's own page and re-checked daily.

Vendors that use Trainline (November 2026)

# Vendor Uses it for Location First seen
1 TravelPerk Travel inventory aggregator United Kingdom (adequacy) October 17, 2026
2 Yokoy Travel inventory aggregator United Kingdom (adequacy) October 17, 2026

First seen: the first check of the vendor's list that named Trainline.

Know the day one of your vendors adds Trainline

ClauseTrail re-checks your vendors' subprocessor lists every day and tells you exactly who was added or removed. The first vendors are free.

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Trainline as a subprocessor: FAQ

Which vendors use Trainline as a subprocessor?
2 vendors in the ClauseTrail directory list Trainline as a subprocessor: TravelPerk and Yokoy.
How is this list kept up to date?
ClauseTrail reads each vendor's published subprocessor list every day. A vendor appears here while its latest list names Trainline, and moves to "No longer listed by" when a later list drops it.