- Companies
- Machinery repair and installation
- Glasgow
- SJM Controls Limited
SJM Controls Limited
- Company number
- SC500117
- Incorporated
- 10 Mar 201511 years trading
- Registered office
- C/O Advantage Accounting (Scotland) Limited Pavillion 2, Minerva Way, Glasgow, G3 8AU
- Nature of business
- Repair of electronic and optical equipment
SJM Controls Limited is a 11-year-old private limited company registered in Glasgow, company number SC500117, one of 335 machinery repair and installation companies in Glasgow. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £13K (+28.8%) on the year before, to £57K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £96K against £48K owed within a year: 2.0 times cover.
- 2 employees on average during the year.
- 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 Mar 2025 | £57K | £96K | £48K | 2 | |
| 31 Mar 2024 | £45K | £89K | £52K | 2 | |
| 31 Mar 2023 | £42K | £96K | £58K | 2 | |
| 31 Mar 2022 | £18K | £65K | £50K | 2 | |
| 31 Mar 2021 | £4,660 | £100K | £88K | 2 | |
| 31 Mar 2020 | £439 | £32K | £36K | 2 | |
| 31 Mar 2019 | £1,057 | £33K | £37K | ||
| 31 Mar 2018 | £1,400 | £37K | £38K | ||
| 31 Mar 2017 | £1,221 | £41K | £49K | £51K | 1 |
| 31 Mar 2016 | £788 | £17K | £28K | £30K |
Where SJM Controls Limited is registered
The registered office is in Glasgow (G3), in the Glasgow City local authority area, Scotland. Show G3 8AU on a map.
Other trade companies in G3
- Clyde Electrics Glasgow LimitedElectricians
- Emma's Home & Life Support LtdCleaning companies
- HHP Care2 LtdBuilders
- Fix and Build Joinery LtdJoiners and carpenters
- Betagrid LtdElectricians
- C F H Electrical LtdElectricians
- HR PR Payroll LimitedInstallers
- SPM Scaffolding & Access LimitedCivil engineering
Also registered at this address
1 other company uses the same registered office as SJM Controls Limited.
- Property Repairs (Glasgow) LtdPainters and decorators
What happens if SJM Controls 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC500117
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2015 (11 years ago)
- Registered office
- C/O Advantage Accounting (Scotland) Limited Pavillion 2, Minerva Way, Glasgow, G3 8AU
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 March 2026
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 Glasgow
Other active machinery repair and installation companies registered in Glasgow.
- Skyline Aircraft Repairs Ltd2023
- SLT Handling Services Limited1992
- Solar 4 Scotland Limited2026
- Southside Cycle Repairs Limited2020
- Sovereign Electrical Solutions Ltd2026
- SP Vent Limited2015
- Sparkease Scotland Ltd2021
- Spraysmart Glasgow Limited2020
All machinery repair and installation companies in Glasgow · All trades in Glasgow · Machinery repair and installation across the UK
Frequently asked questions
When are SJM Controls Limited's accounts due?
SJM Controls Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is SJM Controls Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is SJM Controls Limited still trading?
SJM Controls 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 SJM Controls Limited do?
SJM Controls Limited is registered under Repair of electronic and optical equipment (SIC 33130).
How old is SJM Controls Limited?
SJM Controls Limited was incorporated on 10 March 2015, 11 years ago.
What is the penalty if SJM Controls 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 SJM Controls 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.