Talks have been held for weeks about the site in Cheshire, which makes the Astra, employing up to 1,000 workers and many more in the supply chain.
The Covid-19 pandemic caused a record number of redundancies to be recorded in the UK last year.
An estimated 3 million people across the UK are ineligible for help such as the furlough scheme - in some case they don't even qualify for universal credit.