- Companies
- Electricians
- Merthyr Tydfil
- Excelsior Electrical Engineering Ltd
Excelsior Electrical Engineering Ltd
- Company number
- 16094832
- Incorporated
- 22 Nov 20241 year trading
- Registered office
- Office 2, Merthyr Tydfil Industrial Park, Pentrebach, Merthyr Tydfil, CF48 4DR
- Nature of business
- Electrical installation
Excelsior Electrical Engineering Ltd is a 1-year-old private limited company registered in Merthyr Tydfil, company number 16094832, one of 37 electrical contractors in Merthyr Tydfil. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House.
Where Excelsior Electrical Engineering Ltd is registered
The registered office is in Merthyr Tydfil (CF48), in the Merthyr Tydfil local authority area, Wales. Show CF48 4DR on a map.
Other trade companies in CF48
- Valley Roofing Building & Carpentry LimitedRoofers
- Ajl Rail/Civil Engineering LtdCivil engineering
- M&K Valeting LtdCleaning companies
- Mdgroundworks LtdGroundworks and demolition
- Craig Lloyd Groundworks LtdCivil engineering
- Noarc Electrical LtdElectricians
- Elt Brickwork LimitedBuilders
- JBH Decorating LimitedPainters and decorators
Also registered at this address
1 other company uses the same registered office as Excelsior Electrical Engineering Ltd.
- Power Solutions Electrical Contractors LtdElectricians
What happens if Excelsior Electrical Engineering 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2028 | 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
- 16094832
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 2024 (1 year ago)
- Registered office
- Office 2, Merthyr Tydfil Industrial Park, Pentrebach, Merthyr Tydfil, CF48 4DR
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 21 November 2025
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Merthyr Tydfil
Other active electrical contractors registered in Merthyr Tydfil.
- Flow Electrical Services (South Wales) Limited2025
- Frontier Power Solutions Ltd2026
- Gen Tech Electric Ltd2021
- GS Williams Ltd2025
- Hze Solutions Ltd2026
- Ir Energy Holdings Limited2024
- K.S.Regan Electrical Limited2017
- Kaagrace Limited2014
All electrical contractors in Merthyr Tydfil · All trades in Merthyr Tydfil · Electricians across the UK
Frequently asked questions
When are Excelsior Electrical Engineering Ltd's accounts due?
Excelsior Electrical Engineering Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Excelsior Electrical Engineering Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Excelsior Electrical Engineering Ltd still trading?
Excelsior Electrical Engineering 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 Excelsior Electrical Engineering Ltd do?
Excelsior Electrical Engineering Ltd is registered under Electrical installation (SIC 43210).
How old is Excelsior Electrical Engineering Ltd?
Excelsior Electrical Engineering Ltd was incorporated on 22 November 2024, 1 year ago.
What is the penalty if Excelsior Electrical Engineering 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 Excelsior Electrical Engineering 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.