Arc House, 82, Tanner Street
London, United Kingdom SE1 3GN
International House, 1 St. Katharine's Way
London, United Kingdom E1W 1UN
Arc House: Located on the south side of the River Thames, Arc House is situated on Tanner Street which is south of Tower Bridge, just off Tower Bridge Road.
International House: Located north of the River Thames and opposite the Tower of London, Merkle is based on the second floor of International House, next to the Tower Hotel.