- Companies
- Machinery repair and installation
- MJM Industrial Limited
MJM Industrial Limited
- Company number
- 03982384
- Incorporated
- 28 Apr 200026 years trading
- Registered office
- Unit 6 Polygon Business Centre, Blackthorne Road, Colnbrook, Berkshire, SL3 0QT
- Nature of business
- Repair of machinery; Installation of industrial machinery and equipment; Wholesale of other machinery and equipment
MJM Industrial Limited is a 26-year-old private limited company registered in Colnbrook, company number 03982384, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 27 September 2027, and the CT600 for the period to 27 December 2026 is due at HMRC on 27 December 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 £135K (+7%) on the year before, to £2.1M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £3M against £1.9M owed within a year: 1.6 times cover.
- 38 employees on average, up from 32 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £2.1M | £1.3M | £3M | £1.9M | 38 |
| 31 Dec 2024 | £1.9M | £230K | £2.1M | £1.1M | 32 |
| 31 Dec 2023 | £7.9M | £5.8M | £8.5M | £1.6M | 28 |
| 31 Dec 2022 | £7.5M | £6.1M | £7.4M | £791K | 23 |
| 31 Dec 2021 | £6.8M | £7M | £7.9M | £1.9M | 32 |
| 31 Dec 2020 | £7M | £6M | £7.4M | £1.2M | 36 |
| 31 Dec 2019 | £5.9M | £4.2M | £5.8M | £793K | 36 |
| 31 Dec 2018 | £5M | £3.7M | £5.5M | £1.4M | 36 |
| 31 Dec 2017 | £2.8M | £2.2M | £3.6M | £1.8M | 37 |
| 31 Dec 2016 | £1.4M | £809K | £1.8M | £1.2M | 22 |
Where MJM Industrial Limited is registered
The registered office is in Colnbrook (SL3), in the Slough local authority area, South East. Show SL3 0QT on a map.
Other trade companies in SL3
- Tac Design & Build LtdFinishing trades
- G&S Formwork LtdBuilders
- Klenzo LtdCleaning companies
- West London Crown Construction LtdBuilders
- Dahlia Investment Group LimitedProperty developers
- Ekon Electrics LtdElectricians
- R&G Maintenance LtdCleaning companies
- Cornerstone Homes & Estates LtdProperty developers
What happens if MJM Industrial 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 27 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Sep 2027 to 27 Oct 2027 | £150 |
| 1 to 3 months late | 28 Oct 2027 to 27 Dec 2027 | £375 |
| 3 to 6 months late | 28 Dec 2027 to 27 Mar 2028 | £750 |
| More than 6 months late | From 28 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Dec 2027 | £200 |
| 3 months late | 27 Mar 2028 | another £200 |
| 6 months late | 27 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 Dec 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
- 03982384
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 April 2000 (26 years ago)
- Registered office
- Unit 6 Polygon Business Centre, Blackthorne Road, Colnbrook, Berkshire, SL3 0QT
- Nature of business
- Repair of machinery (SIC 33120)
Installation of industrial machinery and equipment (SIC 33200)
Wholesale of other machinery and equipment (SIC 46690) - Year end
- 27 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 28 April 2026
- Charges (mortgages)
- 2 outstanding of 4 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
Other active machinery repair and installation companies.
Frequently asked questions
When are MJM Industrial Limited's accounts due?
MJM Industrial Limited's next accounts are due at Companies House by 27 September 2027 (in 349 days), covering the period to 27 December 2026.
When is MJM Industrial Limited's CT600 due?
The CT600 for the period to 27 December 2026 is due at HMRC by 27 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 September 2027.
Is MJM Industrial Limited still trading?
MJM Industrial 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 MJM Industrial Limited do?
MJM Industrial Limited is registered under Repair of machinery (SIC 33120); Installation of industrial machinery and equipment (SIC 33200); Wholesale of other machinery and equipment (SIC 46690).
How old is MJM Industrial Limited?
MJM Industrial Limited was incorporated on 28 April 2000, 26 years ago.
What is the penalty if MJM Industrial 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 MJM Industrial 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.