The old saw sounds simple enough: Every business owner needs a lawyer, an accountant and a banker. But with regulations impinging on nearly every facet of the economy, executives who want to avoid the courtroom probably need more advisers than they can count on one hand.

The old saw sounds simple enough: Every business owner needs a lawyer, an accountant and a banker. But with regulations impinging on nearly every facet of the economy, executives who want to avoid the courtroom probably need more advisers than they can count on one hand.