Business Tax Filing Extension Deadline 2024 Uk. A list of uk tax deadlines and important financial dates in 2024 specific to both individuals and businesses. Your initial accounts must be filed with companies house no later than 21 months after registration, by april 15, 2024.

Subsequently, july 31st will mark your annual financial reporting date, with a filing deadline of april 30th, nine months later each year. When does the tax year begin?