National Allied is a public bank operating in the United Kingdom.
Background
It appears to be a regular commercial bank, operating various branches and ATM's throughout the UK. Its primary colour scheme is white text on a dark green or blue background.
Season 3
Playtest
The ATM used by Cooper when he realises he has been a victim of credit card fraud is operated by National Allied. Here the primary colour used is blue instead of dark green. The ATM states it charges for withdrawls.
Shut Up and Dance
Kenny is forced to rob a local branch of National Allied under duress from the hackers. The building is located in a rural town, and utilises white and dark green as its primary colour scheme.
Season 4
Crocodile
An advert for National Allied is seen on the UKN website article printout handed to Mia Nolan by Rob.