The Confederation of British Industry and British Chambers of Commerce have each cut their 2012 UK GDP forecasts and called for the government to do more to prompt growth.
Business secretary Vince Cable could take action against Fred Goodwin and a small number of former Royal Bank of Scotland (RBS) directors over the bank's collapse.
Moody's has downgraded the credit ratings of five of the Netherlands' largest banks as the country's economy struggles with a domestic recession and the effects of the eurozone crisis.
A market rally after pro-bailout party New Democracy scraped a narrow win at the Greek election has eased back amid uncertainty over the global economy and other eurozone countries.
The British Chamber of Commerce has revised down its forecast for economic growth this year, from 0.6% to 0.1%
The improving strength of the UK's manufacturing and services sectors should ensure the economy avoids a double-dip recession, said the British Chambers of Commerce.