Mr. Macartney has served as the Head of Social at Saxo Bank since August 2014, having worked in its Copenhagen branch – over the past year he has helped develop Saxo’s online brand, whilst helping manage its TradingFloor platform.
In the context of the input sentence, determine the relationship between 'Saxo Bank' and 'Copenhagen'.
Options: business division, owned by, location of formation, product/material produced