Network Rail Infrastructure Ltd is the main NeR company that everyone knows to 'be' NeR, which was the former Railtrack.
NeR have a very interesting group structure, and upon digging into it I never knew they operated the Shopping Centre above Victoria as a separate concern.
Network Rail Ltd is the parent company of Network Rail HoldCo Ltd. Which is the parent company of Network Rail Infrastructure.
Network Rail Infrastructure is the parent company of.
Network Rail (High Speed) Limited
Network Rail (Projects) Limited
Network Rail (Spacia) Limited
Network Rail (Stations) Limited
Network Rail (Vy1) Limited
Network Rail (Vy2) Limited
Network Rail Certification Body Limited
Network Rail Consulting Limited
Network Rail Development Limited
Network Rail Property Limited
Solum Regeneration (Gp) Limited
Spacia (2002) Limited
Victoria Place Shopping Centre Limited
They also have a PLC in the form of Network Rail Mtn Finance plc.
Also digging into Solum Regeneration NeR seem to have an interest in Kier Ventures Limited. Kier being the property developers.
Like all large companies this is done so they are legally separate entities, High Speed for instance is where
NR» has a contract with the owners of High Speed 1 to operate and maintain the infrastructure.