Generally, corporations are required to pay tax just like "real" people. In some tax systems, this can give rise to so-called double taxation, because first the corporation pays tax on the profit, and then when the corporation distributes its profits to its owners, individuals have to include dividends in their income when they complete their personal tax returns, at which point a second layer of income tax is imposed.
It's important to make sure that you get all the help that you're entitled to. These pages give you information on benefits and tax credits if you are working or unemployed, sick or disabled, a parent, a young person, an older person or a veteran. There is also information about council tax and housing costs, national insurance, payment of benefits and problems with benefits.