 Between 1998 and 2001, the city's financial services sector grew at a rate of 30%, making considerable gains on Edinburgh, which has historically been the centre of the Scottish financial sector.Glasgow is now one of Europe's sixteen largest financial centres, with a growing number of Blue chip financial sector companies establishing significant operations or headquarters in the city.The 1990s and first decade of the 21st century saw substantial growth in the number of call centres based in Glasgow.