Bletchleyite
Veteran Member
A quick Google for "avanti west coast" turns up said logo: https://twitter.com/KDSHawker/status/1193073915855290369/photo/1
Could of course be a well-made fake.
No, it's definitely not, it's been on the "custhelp.com" platform for long enough, which is what most TOCs use for their customer services.