The money is everywhere but you save most of it when you are Limited Company. It is more tax efficient to do business as a Limited Company than as self employed.
There is unlimited liability with being Self-employed. There’s mostly limited liability when you use a company. When, the company is in debt, the owners or directors are significantly shielded from it. But when the business in debt as self employed, it means you’re in debt as well.
Tax rates are incremental when you’re self employed. The more profit you make, the higher the tax rate you face. With a limited company in the UK, the tax rate is uniform at 19% for any profit made.
There is a lot of added legal responsibilities when you start a Limited Company but if you want to make it big, you go big.