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Corporation Tax (CT600)

Computation and iXBRL accounts from your books

Build the Corporation Tax (CT600) computation and the statutory iXBRL accounts from your ledger, with pre-flight checks.

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Filing switched off

Computation, accounts and checks are available. Filing to HMRC is switched off today. We will say here when that changes.

HMRC's sandbox · test data

Watch it work

A screen recording of the app in HMRC's sandbox, using test data. It ends on the page where HMRC's test service accepts the submission.

Screen recording, Corporation Tax (CT600) return: the page where HMRC's test service has accepted the submissionHMRC sandbox · test data

Corporation Tax (CT600) return

A limited company completes the accounts facts, previews the iXBRL accounts and the computation, runs the pre-flight checks and submits. HMRC's test service accepts the return. Customers cannot file a Corporation Tax return today.

Recorded in HMRC's sandbox, which is HMRC's test service, with test data. The app's sidebar still shows its earlier name, Tiraverse MTD. The MTD ITSA Income Tax clip runs on a set date and the VAT clip uses HMRC's 2017 test quarter.

What the recording shows
  1. Open Corporation Tax (CT600) for the accounting period.
  2. Enter the statutory accounts facts.
  3. Preview the iXBRL accounts and the computation.
  4. Check the pre-flight list.
  5. Submit to HMRC's test service. The return shows as processing, then as accepted by the test service.

Open the video file

Corporation Tax (CT600)

What it does

  • Computation built from your ledger

  • Statutory iXBRL accounts

  • Pre-flight checks before filing

Dates and rules

Key dates

Each one links to the GOV.UK page it comes from.

  • Company Tax Return and payment

    The return is due 12 months after the end of the accounting period. Corporation Tax is usually payable 9 months and 1 day after the end of the accounting period

    Source: GOV.UK

Stated plainly

What it does not do yet

The main things TiraTax does not do yet.

  • Filing to HMRC is switched off

  • Amendments and cancellations are switched off with filing

Put your tax in order.

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Early access by invitation · Prices in GBP, no VAT added · By Tiraverse Ltd