File your dormant company's CT600 for £5
HMRC closed its free filing service in March 2026. If your company is dormant and HMRC has asked for a Company Tax Return, file it here in minutes — no subscription, no accountant, no iXBRL.
Find your company
As registered at Companies House, e.g. 12345678 or SC123456
How it works
1
Check you're dormant
Three quick questions confirm a nil return is right for you.
Three quick questions confirm a nil return is right for you.
2
Enter your details
Your UTR and your accounting period — that's it.
Your UTR and your accounting period — that's it.
3
Pay £5 & submit
Sign in with your Government Gateway account and we deliver the return to HMRC.
Sign in with your Government Gateway account and we deliver the return to HMRC.
Not been asked to file? If HMRC hasn't sent you a notice to deliver a return,
you can tell HMRC your company is dormant for free — you may not need to file at all.