Guernsey does not have a Central Bank and it issues its own sterlingThe basic monetary unit of the UK, e.g. the pound. coinage and banknotes. UK coinage and (English, Scottish and Northern Irish-faced) banknotes also circulate freely and interchangeably. Guernsey has the official ISO 3166-1 alpha-2 code GG and the official ISO 3166-1 alpha-3 code GGY; marketThe commercial activity of buying and selling goods and serv... data vendors, such as Reuters, will report products related to Guernsey using the alpha-3 code. Guernsey has been given a creditAn arrangement in which an item for sale is received by the ... rating of AA+ from Standard & Poor’s. In 2013 there were over 31,000 people employed in Guernsey, with 3,000 being self-employed. 2,038 employing businesses of which 20% are in the financeTo provide or obtain funds for a business, commercial projec... industry.