Here's a nice picture of the Arbitao head honchos enjoying some London fresh air on the banks of the River Thames, with the world famous Houses of Parliament and Big Ben in the background, no doubt just round the corner from their "London HQ".
Having a "London HQ" is still seen by many (potential investors) as a big credibility factor in the financial world.

This picture was included in this May 2018 press release.



Just one thing, like most of the UK, the Big Ben tower is falling to pieces and for over a year has been covered in scaffolding...