- Companies
- Machinery repair and installation
- Coleraine
- JMH Plant Mobilisation Services Limited
JMH Plant Mobilisation Services Limited
- Company number
- NI674448
- Incorporated
- 23 Nov 20205 years trading
- Registered office
- 1001 Freehall Park, Castlerock, Coleraine, BT51 4UT
- Nature of business
- Repair of machinery
JMH Plant Mobilisation Services Limited is a 5-year-old private limited company registered in Coleraine, company number NI674448, one of 9 machinery repair and installation companies in Coleraine. 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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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £133K (+35.5%) on the year before, to £510K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £523K against £55K owed within a year: 9.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £510K | £523K | £55K | 1 | |
| 30 Nov 2024 | £376K | £372K | £40K | 1 | |
| 30 Nov 2023 | £206K | £231K | £24K | 1 | |
| 30 Nov 2022 | £206K | £231K | £24K | 1 | |
| 30 Nov 2021 | £98K | £116K | £4,724 | 1 |
Where JMH Plant Mobilisation Services Limited is registered
The registered office is in Coleraine (BT51), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT51 4UT on a map.
Other trade companies in BT51
- Acesof LtdPlumbers and heating engineers
- Boylan Contracts LtdCivil engineering
- Arbour Living (NI) LimitedSpecialist contractors
- P Talbot Construction LtdBuilders
- NQ&S Autocare LtdMechanics and garages
- WHH GRP LimitedBuilders
- Full Throttle E-MX LimitedMotor traders
- RKC Civils LtdSpecialist contractors
What happens if JMH Plant Mobilisation Services Limited 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
- NI674448
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 2020 (5 years ago)
- Registered office
- 1001 Freehall Park, Castlerock, Coleraine, BT51 4UT
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 22 November 2025
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 Coleraine
Other active machinery repair and installation companies registered in Coleraine.
- KT Fleet Solutions Ltd2025
- KT Trucks Ltd2021
- NT Agri Ltd2021
- Royvon Plant Spares Limited2008
- Tec Engineering Limited2009
- Tooltech Industrial Equipment Ltd2008
- Delwyn Colley Electrical Services Ltd2013
- Green Bridge Holdings Limited2018
All machinery repair and installation companies in Coleraine · All trades in Coleraine · Machinery repair and installation across the UK
Frequently asked questions
When are JMH Plant Mobilisation Services Limited's accounts due?
JMH Plant Mobilisation Services Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is JMH Plant Mobilisation Services Limited'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 JMH Plant Mobilisation Services Limited still trading?
JMH Plant Mobilisation Services Limited 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 JMH Plant Mobilisation Services Limited do?
JMH Plant Mobilisation Services Limited is registered under Repair of machinery (SIC 33120).
How old is JMH Plant Mobilisation Services Limited?
JMH Plant Mobilisation Services Limited was incorporated on 23 November 2020, 5 years ago.
What is the penalty if JMH Plant Mobilisation Services Limited 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 JMH Plant Mobilisation Services Limited 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.