As said by dirkdeman, there are other possible structures (also "vereniging onder firma", etc.) In any case, investment are investments, not debt; while a prop

As said by dirkdeman, there are other possible structures (also "vereniging onder firma", etc.) In any case, investment are investments, not debt; while a proprietor in NL may (depending on the structure) be personally on the hook for any unpaid bills (to e.g. suppliers), you have to get really sleazy before the investors can demand their money back. Talk with someone who knows Indonesian law, though. IANAL, and the Dutch and Indonesian laws are probably not exactly the same anyway.