There's a lot more legislation controlling internal party processes, elections, selections and and of course registering donations.

BBC: Funding merry-go-round shows no sign of stopping

More than 50% of companies can do all of the SOx work internally, but the largest companies sometimes use up to two outside service providers, often controlling internal and external resources via a project management organization (PMO ).

FORBES: The State of Sarbanes-Oxley Compliance According To Protiviti