Three quarters of Scottish small businesses would vote to remain part of the United Kingdom next year.
However,60% felt information was still lacking on the potential impact of independence in several key areas, according to the latest research from the Forum of Private Business.
Businesses were unanimous that both the Scottish and Westminster governments need to be clearer on how it may potentially affect trade with the rest of the UK and Europe.
The top concern was the lack of clear information on the potential impact on regulation and taxation (73%) followed by transport (70%) and national resources (70%).
Alexander Jackman, head of policy at the Forum of Private Business said: “The research indicates that many firms have made up their mind already, despite the lack of information up to now. ”
In a further blow to the Referendum campaigns, one in two business owners said the divisive nature of the debate was damaging their business.