In a sole trader business then you pay personal income tax on any profit your business makes.
In any other business that is a legally separate entity, such as ApS, then you pay company tax of 22% on the profits.
All companies are responsible for collecting Value Added tax on the sale of their products and transferring the net amount to the tax authorities.
All companies are responsible for paying income tax and other charges on pay such as contribution to the state pension on the salaries of their employees.
Depending on which business you are in, there may be other taxes and charges to pay such as on packaging, alcohol, chocolate and fuel.
If you import goods from outside the EU then you may need to pay import duties depending on the product. Eg cars