If the companies have been made insolvent, there will be nothing available to sue them for. If you have a strong case you could, possibly, report them to the authorities for possible criminal proceedings.
My opinions are merely that .. opinions based on experience. Always seek professional advice.
IVA Completed 23rd July 2013 .... C.C. 10th January 2014 http://foggy.blogs.iva.co.uk