British Office Taipei (Chinese: 英國在台辦事處; pinyin: Yīngguó Zài Tái Bànshì Chù; Pe̍h-ōe-jī: Eng-kok chāi Tâi Pān-sū-chhù), formerly British Trade and Cultural Office (BTCO), is the representative office of the United Kingdom Government in Taiwan with a principal role to promote the British trade and investment interests. It functions as a de facto embassy in the absence of diplomatic relations between London and Taipei. Its Taiwanese counterpart in London is the Taipei Representative Office in the U.K.