BT Centre is the global headquarters and registered office

Registered office

Registered office is a term used to describe the address which is registered with the government registrar as the official address of a company, an association or any other legal entity. Generally it will form part of the public record...

 of BT Group

BT Group

BT Group plc is a global telecommunications services company headquartered in London, United Kingdom. It is one of the largest telecommunications services companies in the world and has operations in more than 170 countries. Through its BT Global Services division it is a major supplier of...

, located in a 10-storey office

Office

An office is generally a room or other area in which people work, but may also denote a position within an organization with specific duties attached to it ; the latter is in fact an earlier usage, office as place originally referring to the location of one's duty. When used as an adjective, the...

 building at 81 Newgate Street in the City of London

City of London

The City of London is a small area within Greater London, England. It is the historic core of London around which the modern conurbation grew and has held city status since time immemorial. The City’s boundaries have remained almost unchanged since the Middle Ages, and it is now only a tiny part of...

, opposite St. Paul's tube station

St. Paul's tube station

St. Paul's tube station is a London Underground station in the City of London on the Central Line, between Bank and Chancery Lane stations, and is in Travelcard Zone 1....

. It should not be confused with the much more prominent BT Tower

BT Tower

The BT Tower is a tall cylindrical building in London, United Kingdom, located at 60 Cleveland Street, Fitzrovia W1T 4JZ, London Borough of Camden. It has been previously known as the Post Office Tower, the London Telecom Tower and the British Telecom Tower. The main structure is tall, with a...

. A plaque on the outside of the building marks this as the location from which Guglielmo Marconi

Guglielmo Marconi

Guglielmo Marconi was an Italian inventor, known as the father of long distance radio transmission and for his development of Marconi's law and a radio telegraph system. Marconi is often credited as the inventor of radio, and indeed he shared the 1909 Nobel Prize in Physics with Karl Ferdinand...

 made the first public transmission of wireless signals, in 1897 whilst it was the Telegraph Office building of the General Post Office complex

General Post Office, London

The General Post Office, St. Martin’s Le Grand, was the main post office for the City of London between 1829 and 1912.-History:...

.

External links

• http://www.skyscrapernews.net/buildings.php?id=2849