- Companies
- Electricians
- Glasgow
- McMillanpower Ltd
McMillanpower Ltd
- Company number
- SC644335
- Incorporated
- 14 Oct 20196 years trading
- Registered office
- C/O Hard Hat Group, 20-23 Woodside Place, Glasgow, G3 7QL
- Nature of business
- Electrical installation
McMillanpower Ltd is a 6-year-old private limited company registered in Glasgow, company number SC644335, one of 623 electrical contractors in Glasgow. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 down £195 (-1.2%) on the year before, to -£17K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £20K against £29K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | -£17K | £93 | £20K | £29K | 1 |
| 31 Oct 2023 | -£16K | £461 | £461 | £9,263 | 1 |
| 31 Oct 2022 | -£17K | £1 | £1 | £9,326 | 1 |
| 31 Oct 2021 | -£16K | £1 | £1 | £16K | 1 |
| 31 Oct 2020 | -£9,489 | £4,648 | £4,651 | £14K | 1 |
Where McMillanpower Ltd is registered
The registered office is in Glasgow (G3), in the Glasgow City local authority area, Scotland. Show G3 7QL on a map.
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- 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
15 other companies use the same registered office as McMillanpower Ltd.
- 25Electrical LtdElectricians
- Amirol LtdElectricians
- C M Heating Systems LtdPlumbers and heating engineers
- Design & Commissioning Services LtdCivil engineering
- East Electrical Solutions LtdElectricians
- Essbee Electrical Services LtdElectricians
- HV Energy Service LtdElectricians
- Megson Engineering LtdSpecialist contractors
- Monkey Wrench Construction LtdCivil engineering
- Moray Electrical Devices LtdElectricians
- MS Renewables LimitedElectricians
- PCRZ Apperley LtdElectricians
- R.S Gunn Services LtdSpecialist contractors
- RDT (Scotland) LimitedSpecialist contractors
- Wattechsolutions LtdElectricians
What happens if McMillanpower 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
- SC644335
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 October 2019 (6 years ago)
- Registered office
- C/O Hard Hat Group, 20-23 Woodside Place, Glasgow, G3 7QL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 9 September 2025
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 Glasgow
Other active electrical contractors registered in Glasgow.
- McNamee Electrical Limited2014
- Mearns Electrical Limited2025
- Meldrum Electrical Engineering Limited2026
- Merryvale Electrical Services Ltd2026
- MGD Outdoor Electrical Limited2016
- MGJ PM Solutions Ltd2022
- Mi Glasgow Limited2024
- Millbrae Electrical Ltd2025
All electrical contractors in Glasgow · All trades in Glasgow · Electricians across the UK
Frequently asked questions
When are McMillanpower Ltd's accounts due?
McMillanpower 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 McMillanpower 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 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is McMillanpower Ltd still trading?
McMillanpower Ltd is listed as active on the Companies House register (checked 13 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 McMillanpower Ltd do?
McMillanpower Ltd is registered under Electrical installation (SIC 43210).
How old is McMillanpower Ltd?
McMillanpower Ltd was incorporated on 14 October 2019, 6 years ago.
What is the penalty if McMillanpower 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 McMillanpower Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.