Corporation Tax Basics

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About Course

Corporation Tax is the tax UK limited companies pay on their profits. This course explains what is taxed, the 19% small profits rate and 25% main rate with marginal relief, how to work out taxable profit, payment and filing deadlines, and the penalties for getting them wrong.

Tutwoo is an independent learning provider. This course gives general information about UK Corporation Tax, checked against GOV.UK in October 2026. It is not tax advice.

What Will You Learn?

  • Understand what profits are subject to Corporation Tax Calculate tax using the small profits rate, main rate and marginal relief Meet registration, payment and Company Tax Return deadlines Avoid common mistakes with expenses, capital allowances and penalties

Course Content

Course Lessons

  • What Corporation Tax is charged on
  • Rates and working out the tax
  • Deadlines and penalties

Sources & Further Reading
The official guidance this course is based on.

Final Assessment

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