Scottish independence: Firms question 'Yes' vote business case
27 August 2014 Last updated at 22:30 BST
More than 130 businesses have signed a letter saying the business case for Scottish independence "has not been made".
The signatories come from a variety of businesses including banking, mining, engineering, food, whisky, and technology.
But lobby group Business for Scotland said economic "facts and figures" support Scottish independence.
The letter has been published in The Scotsman newspaper.
Kamal Ahmed reports.