Example 1. Standard rate of tax Company A has accounts year ending 31 December 1996. It has taxable profits for the year GBP 2,000,000.
Company A's Corporation Tax for 1996 is GBP 2,000,000õ33% = GBP 660,000
Example 2. Small companies rate of tax Company  has accounts year ending 31 December 1996. It has taxable profits for the year of GBP 150,000. It has no associated companies.
Company B's Corporation Tax for 1996 is GBP 150,000õ25% = GBP 37,500