- Companies
- Electricians
- Blackwood
- MJP Power Ltd
MJP Power Ltd
- Company number
- 17074910
- Incorporated
- 6 Mar 2026
- Registered office
- 6 ST. Teilos Close, Pontllanfraith, Blackwood, Gwent, NP12 2FB
- Nature of business
- Electrical installation
MJP Power Ltd is a newly incorporated private limited company registered in Blackwood, company number 17074910, one of 20 electrical contractors in Blackwood. Its next accounts are due at Companies House on 6 December 2027, and its first CT600 is due at HMRC on 5 March 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?
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Where MJP Power Ltd is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 2FB on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
What happens if MJP Power 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 6 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Dec 2027 to 6 Jan 2028 | £150 |
| 1 to 3 months late | 7 Jan 2028 to 6 Mar 2028 | £375 |
| 3 to 6 months late | 7 Mar 2028 to 6 Jun 2028 | £750 |
| More than 6 months late | From 7 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17074910
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2026
- Registered office
- 6 ST. Teilos Close, Pontllanfraith, Blackwood, Gwent, NP12 2FB
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
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 Blackwood
Other active electrical contractors registered in Blackwood.
- Norton Electrical Ltd2024
- Oakley Electrical Contractors Limited2011
- Renewelec Energy Ltd2024
- RJ Power Solutions Ltd2026
- South Wales Solar and Battery Ltd2022
- Taylour Electrical Ltd2024
- The Full Ev Ltd2022
- TRG Electrical Ltd2025
All electrical contractors in Blackwood · All trades in Blackwood · Electricians across the UK
Frequently asked questions
When are MJP Power Ltd's accounts due?
MJP Power Ltd's next accounts are due at Companies House by 6 December 2027 (in 419 days), covering the period to 31 March 2027.
When is MJP Power 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 5 March 2027, due by 5 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is MJP Power Ltd still trading?
MJP Power 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 MJP Power Ltd do?
MJP Power Ltd is registered under Electrical installation (SIC 43210).
How old is MJP Power Ltd?
MJP Power Ltd was incorporated on 6 March 2026, less than a year ago.
What is the penalty if MJP Power 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 MJP Power 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.