Not in my experience (don't ask). Unless he personally guaranteed the card, in which case, well, it's pretty obvious. Part of the benefit of incorporation is

Not in my experience (don't ask). Unless he personally guaranteed the card, in which case, well, it's pretty obvious. Part of the benefit of incorporation is the separation between personal and corporate liabilities. But, if you use a personal card for corporate stuff (even if you ONLY used it for corporate expenses) you are personally liable because it's YOUR card, not the companies.