- Companies
- Mechanics and garages
- Caernarfon
- Sej Motors Ltd
Sej Motors Ltd
- Company number
- 17331895
- Incorporated
- 10 Jul 2026
- Registered office
- S J Motors the Yard, Unit 1 Felin Gerrig, Llanllyfni, Caernarfon, Gwynedd, LL54 6DD
- Nature of business
- Maintenance and repair of motor vehicles
Sej Motors Ltd is a newly incorporated private limited company registered in Caernarfon, company number 17331895, one of 12 vehicle repair garages in Caernarfon. Its next accounts are due at Companies House on 10 April 2028, and its first CT600 is due at HMRC on 9 July 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 Sej Motors LtdOr 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 Sej Motors Ltd is registered
The registered office is in Caernarfon (LL54), in the Gwynedd local authority area, Wales. Show LL54 6DD on a map.
Other trade companies in LL54
- Ow Autos LimitedMechanics and garages
- Aw Diving LtdCivil engineering
- PWG Construction LtdBuilders
- Cars Gwynedd LimitedMotor traders
- Gwasanaethau Adeiladu A Chyfleustodau WR Construction and Utility Services LimitedInstallers
- CLP Surfacing & Groundworks LtdCivil engineering
- Rirox LtdBuilders
- Eltec Autoparts LtdMotor traders
What happens if Sej Motors Ltd 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 10 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Apr 2028 to 10 May 2028 | £150 |
| 1 to 3 months late | 11 May 2028 to 10 Jul 2028 | £375 |
| 3 to 6 months late | 11 Jul 2028 to 10 Oct 2028 | £750 |
| More than 6 months late | From 11 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17331895
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 July 2026
- Registered office
- S J Motors the Yard, Unit 1 Felin Gerrig, Llanllyfni, Caernarfon, Gwynedd, LL54 6DD
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies in Caernarfon
Other active vehicle repair garages registered in Caernarfon.
- A & G Repairs Limited2023
- B & K Williams Limited2005
- Clinical Wheels DNM Ltd2024
- Elite Colours Abr Ltd2024
- G & H Car & Commercial Limited2007
- Garej Iwan Cyf2019
- Modurdy Dolydd Garage Cyf2016
- Ow Autos Limited2026
All vehicle repair garages in Caernarfon · All trades in Caernarfon · Mechanics and garages across the UK
Frequently asked questions
When are Sej Motors Ltd's accounts due?
Sej Motors Ltd's next accounts are due at Companies House by 10 April 2028 (in 545 days), covering the period to 31 July 2027.
When is Sej Motors Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 July 2027, due by 9 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sej Motors Ltd still trading?
Sej Motors Ltd 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 Sej Motors Ltd do?
Sej Motors Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Sej Motors Ltd?
Sej Motors Ltd was incorporated on 10 July 2026, less than a year ago.
What is the penalty if Sej Motors Ltd 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 Sej Motors Ltd 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.