File your CT600 online.
From £49.

AI-powered corporation tax filing for UK limited companies. Upload your accounts, review the return, and submit directly to HMRC — no accountant needed.

Start your filingHow it works
Submits directly to HMRCYour data stays in the UKSoftware provider — not a tax agent

How it works

1

Upload your accounts

Upload prior-year accounts as PDF, Word, or CSV. Dormant companies just answer 3 quick questions.

2

AI fills your CT600

We extract your financial data, map it to the correct HMRC boxes, and generate iXBRL-tagged accounts.

3

Review & submit

Check the summary, e-sign, and submit to HMRC with your own Government Gateway credentials.

Pricing

Pay per filing. No subscriptions.

Dormant

Dormant & nil filers

£49

per filing

  • 3-question wizard
  • Automated nil CT600
  • HMRC confirmation receipt
  • ~5 minutes start to finish
File now

Solo

Most popular

Single-director active companies

£99

per filing

  • AI-assisted CT600
  • Accounts upload & extraction
  • iXBRL tagging included
  • HMRC filing receipt
File now

Pro

SMEs with expenses & allowances

£199

per filing

  • Everything in Solo
  • Capital allowances calculator
  • Prior-year comparison
  • Priority support
File now