Hmmmm
What were the conditions of the voluntary liquidation.

If there were outstanding creditors, then these would have been loses to the creditors, and if he started up again, I am pretty sure that they would not supply, however being a new face knocking on their door may allow them to let their guard down.

It all depends on what is on the table, responsibilities, finance, profit sharing, salary, etc.

Always start off with the case that it goes south, what will happen to you.