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Return not showing on HRMC website

Posted by Sayed Mohammad Ali Zaidi 6 Feb 2026 at 14:27
Hi Filed the return on TintTax 7 days ago but it is still not showing up on HMRC website.

4 Comments

S
Sayed Mohammad Ali Zaidi 6 Feb 2026 at 14:28
Filing References
HMRC Transaction ID (Period 1: 30 Apr 2024 – 29 Apr 2025)
94C9B7545D9B4336B1B298BEF82749BA

HMRC Transaction ID (Period 2: 30 Apr 2025 – 30 Apr 2025)
C28F0B6325D84ED99A3EA93437A29C4B
T
Tim Fouracre Staff 6 Feb 2026 at 14:32
Thanks for getting in touch.

Both of your CT600 corporation tax returns were accepted by HMRC on 29 January 2026 - the transaction IDs you've provided confirm this.

It's worth noting that the CT600 (corporation tax return) is filed with HMRC, not Companies House. If you're checking the Companies House website, you won't see the CT600 there - that site only shows your company accounts (which were successfully filed on 21 January).

To confirm your CT600 has been received, log into your HMRC Business Tax Account at

https://www.gov.uk/log-in-register-hmrc-online-services and check your Corporation Tax section. It can sometimes take a few working days for HMRC to update your online account after accepting a filing.

If you still can't see it in your HMRC account after checking, please let us know and we can investigate further. It can take their system some days to sync.
S
Sayed Mohammad Ali Zaidi 6 Feb 2026 at 14:40
Some more context : I submitted my return through Tiny Tax, but it still isn’t appearing on my HMRC portal. Initially, I filed the return directly on the HMRC website, but I wasn’t sure how to submit returns for two different periods. As a result, the return was filed for the wrong period, and I couldn’t find a way to amend it to the correct one.

I then used Tiny Tax, which correctly identified the right period, and the submission showed as “accepted by HMRC.” However, it has now been more than seven days, and the return still isn’t visible on my HMRC account.

This is what I see on HMRC website

HM Revenue and Customs submission
HMRC has received your accounts for 30 April 2024 to 30 April 2025 and Company Tax Return for 30 April 2024 to 30 May 2024.

Time and date: 4:07pm, Wednesday 21 January 2026 GMT

Correlation ID: 4458A42406F14AA28CD09A14F0D5CB8F

IR Mark: N4J2GWXWCCIWXDMTHDFY77FG2KVB3GYP

Status: Submitted

Save your filing in HTML (opens in a new tab) (You'll be asked where to save the file or it will download to a folder on your computer)
T
Tim Fouracre Staff 6 Feb 2026 at 15:51
Thanks for the extra context — that's really helpful and explains what's happening.

What you're seeing on HMRC's website is the original return you filed directly — the one for 30 April 2024 to 30 May 2024 (one month). That's the wrong-period filing you mentioned.

The two correct returns you submitted through TinyTax (P1: 30 Apr 2024 – 29 Apr 2025, and P2: 30 Apr 2025 – 30 Apr 2025) were accepted by HMRC — the transaction IDs confirm this. However, because there's already a filing on HMRC's system for an overlapping period, their portal may not display the newer ones until the conflict is resolved.

You'll need to contact HMRC to get this sorted. Call their Corporation Tax helpline on 0300 200 3410 and explain that:

1. You originally filed a return for the wrong period (30 Apr 2024 to 30 May 2024) and need it removed

2. You've since filed the correct returns via TinyTax, with transaction IDs:

- Period 1: 94C9B7545D9B4336B1B298BEF82749BA

- Period 2: C28F0B6325D84ED99A3EA93437A29C4B

HMRC should be able to disregard the incorrect filing and update your account to show the correct ones.