A report from the Royal Bank of Scotland shows a near-record high number of vacancies with plummeting applicants.
The poll found that turnover is down by more than 50% at more than a third of attractions.
Jenny Gilruth, Europe minister with the Scottish Government, raised her concerns about the move in a letter to Therese Coffey.
Swinney will use his speech to hit out at the 'muscular unionism' of Boris Johnson’s Conservative government.
Representatives said disruptive staff shortages are being exacerbated by Brexit and the pandemic.
The GlenAllachie Distillery in Speyside said the lead time for cardboard is now up to six months.
The Scottish food and drink industry say that problems caused by Brexit and the pandemic mean the sector is 'rapidly approaching a crisis'.
Bakery chain follows numerous brands - including McDonald's, Nando's and KFC - in reporting supply chain difficulties.
UK Government urged to set out how much money will be made available to Scotland as part of Shared Prosperity Fund.
Scotland’s Europe Minister, Jenny Gilruth, said thousands of those eligible in Scotland have not yet applied.
Some institutions faced insolvency last year, the report from the Scottish Affairs Committee adds.
Ian Blackford said farmers and crofters would be disproportionately affected by the 'damaging' free trade deal.
Increased costs and delays to paperwork are being blamed for discouraging Eastern European workers coming to Scotland.
Scottish party leader Willie Rennie said now is not the time for another referendum on the issue.
Mike Russell said the latest figures on trade with EU countries showed the 'clear impact' of post-Brexit arrangements.
A total of 14 ports and harbours have been allocated Scottish Government funding so far.
The Border Control Post will be used to inspect goods arriving from the EU, including via Northern Ireland.
Some food and drink companies have seen their income shrink by as much as half.
Cash grants are being made available for more fishing businesses as criteria for a support fund are being expanded.
Constitution Secretary says Scottish Government will continue to work with the EU to explore options for a 'close relationship'.
