The penalties will double for companies submitting a Corporation Tax return late from 1st April 2026. This will be legislated for in Finance Bill 2025-26. Late filing penalties were first implemented in 1998 to promote timely submission of corporation tax returns. However, inflation has reduced their real value over time, weakening their original deterrent effect. […]
Corporation Tax Filing and Payment Deadlines All limited companies must file a Company Tax Return (CT600) every year. Penalties for Late Filing or Payment HMRC imposes penalties if your filing or payment is late or incorrect: Maintaining accurate and timely records helps ensure compliance and prevents unnecessary fines.