How are you doing it? Coinbase?
We use Bitpay as the processor, and then offload the balance to our wallet. Not sure what we will do with the balance, since I am not sure any vendors we use accept bitcoin, but we could keep it for future use (I am sure more and more will join the bitcoin world).
Don't forget you can always sell it for your favoured currency if you're having trouble using it right away, that's what most people do right now, you'll probably have to declare that transaction though if you're a registered company so be sure to talk to some non-biased financial advisors about it.