- Companies
- Motor traders
- Cardiff
- Sid91 Limited
Sid91 Limited
- Company number
- 17028922
- Incorporated
- 12 Feb 2026
- Registered office
- Dewi Saint Station Road West, Wenvoe, Cardiff, CF5 6AG
- Nature of business
- Sale of other motor vehicles
Sid91 Limited is a newly incorporated private limited company registered in Cardiff, company number 17028922, one of 263 motor trade companies in Cardiff. Its next accounts are due at Companies House on 12 November 2027, and its first CT600 is due at HMRC on 11 February 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Sid91 LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Sid91 Limited is registered
The registered office is in Cardiff (CF5), in the Vale of Glamorgan local authority area, Wales. Show CF5 6AG on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
What happens if Sid91 Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 12 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Nov 2027 to 12 Dec 2027 | £150 |
| 1 to 3 months late | 13 Dec 2027 to 12 Feb 2028 | £375 |
| 3 to 6 months late | 13 Feb 2028 to 12 May 2028 | £750 |
| More than 6 months late | From 13 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 17028922
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 February 2026
- Registered office
- Dewi Saint Station Road West, Wenvoe, Cardiff, CF5 6AG
- Nature of business
- Sale of other motor vehicles (SIC 45190)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for motor trade companies
Motor trade companies hold vehicle stock, and how that stock is valued at the year end moves the profit directly. Some use the VAT margin scheme.
Similar companies in Cardiff
Other active motor trade companies registered in Cardiff.
- SK Autos Cardiff Ltd2025
- Sky Line World Ltd2015
- Skyline KTM Cardiff Ltd2021
- SM Auto Works Ltd2025
- SNWN Automotive Ltd2019
- So Babs International Auto Limited2025
- Soro Services Ltd2026
- South Wales Piston Services Limited1979
All motor trade companies in Cardiff · All trades in Cardiff · Motor traders across the UK
Frequently asked questions
When are Sid91 Limited's accounts due?
Sid91 Limited's next accounts are due at Companies House by 12 November 2027 (in 396 days), covering the period to 28 February 2027.
When is Sid91 Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 February 2027, due by 11 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sid91 Limited still trading?
Sid91 Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Sid91 Limited do?
Sid91 Limited is registered under Sale of other motor vehicles (SIC 45190).
How old is Sid91 Limited?
Sid91 Limited was incorporated on 12 February 2026, less than a year ago.
What is the penalty if Sid91 Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Sid91 Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.