Everything you need to know about filing year end accounts to Companies House & HMRC.

In this guide, we explain what limited company tax is, how it’s calculated, what tax returns you need to submit, and tips to legally reduce your tax bill — all with updated information for the 2025/26 tax year.

This article delves into the crucial question, "When is corporation tax payable?" as we unravel the timelines, deadlines, and nuances surrounding this fiscal responsibility.