- Companies
- Machinery repair and installation
- Cardiff
- ST Electrical Engineering Services Ltd
ST Electrical Engineering Services Ltd
- Company number
- 16270178
- Incorporated
- 23 Feb 20251 year trading
- Registered office
- 27 Whinberry Way, Cardiff, CF5 4QU
- Nature of business
- Repair of electrical equipment; Other engineering activities
ST Electrical Engineering Services Ltd is a 1-year-old private limited company registered in Cardiff, company number 16270178, one of 137 machinery repair and installation companies in Cardiff. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 28 February 2026, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where ST Electrical Engineering Services Ltd is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 4QU 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 ST Electrical Engineering Services 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 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
- 16270178
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 February 2025 (1 year ago)
- Registered office
- 27 Whinberry Way, Cardiff, CF5 4QU
- Nature of business
- Repair of electrical equipment (SIC 33140)
Other engineering activities (SIC 71129) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 8 March 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Cardiff
Other active machinery repair and installation companies registered in Cardiff.
- Strike Light Technical Limited2010
- Stromberg Trading Ltd2018
- T.M Property Maintenance Ltd2025
- Taylor Site Services Limited2003
- TDJ Group Ltd2021
- Teon Electrical Ltd2026
- The Dropbar Limited2020
- The Marine Group Services Ltd2024
All machinery repair and installation companies in Cardiff · All trades in Cardiff · Machinery repair and installation across the UK
Frequently asked questions
When are ST Electrical Engineering Services Ltd's accounts due?
ST Electrical Engineering Services Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is ST Electrical Engineering Services Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is ST Electrical Engineering Services Ltd still trading?
ST Electrical Engineering Services 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 ST Electrical Engineering Services Ltd do?
ST Electrical Engineering Services Ltd is registered under Repair of electrical equipment (SIC 33140); Other engineering activities (SIC 71129).
How old is ST Electrical Engineering Services Ltd?
ST Electrical Engineering Services Ltd was incorporated on 23 February 2025, 1 year ago.
What is the penalty if ST Electrical Engineering Services 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 ST Electrical Engineering Services 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.