30 St Mary Axe nearly oblivious to the tower's existence until directly underneath it. The building was constructed by Skanska, completed in December 2003 and opened on 28 April 2004. The primary occupant of the building is Swiss Re, a global reinsurance company, which had the building commissioned as the head office for its UK operation. The tower is thus sometimes known as the Swiss Re Building, although this name has never been official and has more recently fallen out of favour, since the company's main headquarters is in Zurich and the Gherkin name has become more popular. The building uses energy-saving methods which
St Mary Moorfields and demolished this instrument was dismantled and in 1905 rebuilt by the organ building firm of Bishop and Son in the Ilford (Essex) Presbyterian Church. The pipe organ in the current building is situated on a gallery at the liturgical-west end and made by the organ building firm of Corps, which flourished variously in Reading (Surrey), Norwich (Norfolk) and Camden Town (London) until about 1870. This date suggests that the organ was purchased second-hand, but its original location and the details of who installed the organ here are so far unknown. St Mary Moorfields St Mary Moorfields is a Roman