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HMRC Free Company Tax Return Filing Ends 31 March 2026 – What Your Business Must Do Now
3/27/2026S&B Accountants

HMRC Free Company Tax Return Filing Ends 31 March 2026 – What Your Business Must Do Now

The free online service for filing company tax returns with HMRC and Companies House will officially close on 31 March 2026, marking a major shift in how UK companies meet their compliance obligations. From 1 April 2026, all companies will be required to use commercial or third-party software to file corporation tax returns. This change removes the long-standing free filing option and introduces a fully digital, software-driven system.

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