- Companies
- Civil engineering
- Corwen
- MJ Plant and Training Services Ltd
MJ Plant and Training Services Ltd
- Company number
- 15444167
- Incorporated
- 26 Jan 20242 years trading
- Registered office
- Graig Lelo Works, Gwyddelwern, Corwen, LL21 9SD
- Nature of business
- Construction of other civil engineering projects n.e.c.
MJ Plant and Training Services Ltd is a 2-year-old private limited company registered in Corwen, company number 15444167, one of 7 civil engineering contractors in Corwen. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 31 January 2025, as filed at Companies House.
Where MJ Plant and Training Services Ltd is registered
The registered office is in Corwen (LL21), in the Denbighshire local authority area, Wales. Show LL21 9SD on a map.
Other trade companies in LL21
- Neil Edwards Construction LtdBuilders
- D Edwards Services LtdSpecialist contractors
- P D Civils LimitedCivil engineering
- D J W Building LtdSpecialist contractors
- Wylfa Fabrications LtdBuilders
- Coedwigaeth Uwchaled Forestry LtdSpecialist contractors
- Aji Pinewood LtdBuilders
- J & A Hughes Civils LtdCivil engineering
Also registered at this address
1 other company uses the same registered office as MJ Plant and Training Services Ltd.
- Dragon Drilling (Water) LimitedCivil engineering
What happens if MJ Plant and Training 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15444167
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2024 (2 years ago)
- Registered office
- Graig Lelo Works, Gwyddelwern, Corwen, LL21 9SD
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 25 January 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Corwen
Other active civil engineering contractors registered in Corwen.
- Olivax Engineering Ltd2010
- P D Civils Limited2026
- T G Jones (Llety) Limited2019
- Wilson Brothers Contractors Limited2019
- Dragon Drilling (Water) Limited2015
- J & A Hughes Civils Ltd2024
All civil engineering contractors in Corwen · All trades in Corwen · Civil engineering across the UK
Frequently asked questions
When are MJ Plant and Training Services Ltd's accounts due?
MJ Plant and Training Services Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is MJ Plant and Training Services Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is MJ Plant and Training Services Ltd still trading?
MJ Plant and Training 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 MJ Plant and Training Services Ltd do?
MJ Plant and Training Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is MJ Plant and Training Services Ltd?
MJ Plant and Training Services Ltd was incorporated on 26 January 2024, 2 years ago.
What is the penalty if MJ Plant and Training 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 MJ Plant and Training 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.