Paying taxes. In most countries company will pay taxes on income rather than revenue. They can use shell company to create an invoice that your real company wil

Paying taxes. In most countries company will pay taxes on income rather than revenue. They can use shell company to create an invoice that your real company will pay. This way you will channel all your profits out to the country with no taxes. Hiding true ownership. You can give % of shares to a politician in exchange for a law that will directly benefit you. Politician will be able to monetize on this once he is out of office. Anti-monopoly regulations. You can own two companies that on paper are competition but in reality are same entity blocking any other company from entering the market.