- Companies
- Electricians
- Edinburgh
- Lumen Electrical Services Ltd
Lumen Electrical Services Ltd
- Company number
- SC523566
- Incorporated
- 6 Jan 201610 years trading
- Registered office
- Codebase- Argyle House Codebase- Argyle House, Lady Lawson Street, Edinburgh, EH3 9DR
- Nature of business
- Electrical installation
Lumen Electrical Services Ltd is a 10-year-old private limited company registered in Edinburgh, company number SC523566, one of 164 electrical contractors in Edinburgh. 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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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 £12K (+52.8%) on the year before, to £35K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £109K against £78K owed within a year: 1.4 times cover.
- 9 employees on average, up from 7 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £35K | £109K | £78K | 9 | |
| 31 Jan 2024 | £23K | £91K | £74K | 7 | |
| 31 Jan 2023 | £15K | £56K | £46K | 6 | |
| 31 Jan 2022 | £35K | £117K | £85K | 6 | |
| 31 Jan 2021 | £40K | £107K | £70K | 3 | |
| 31 Jan 2020 | £39K | £64K | £26K | 2 |
Where Lumen Electrical Services Ltd is registered
The registered office is in Edinburgh (EH3), in the City of Edinburgh local authority area, Scotland. Show EH3 9DR on a map.
Other trade companies in EH3
- Scandinavian Contractors LtdFloor and wall tilers
- P1 Storage LtdLandscapers and gardeners
- Mansfield Development (Marchhall) LtdProperty developers
- 1ST Adas LtdMechanics and garages
- Oak & Stone Contracts LtdBuilders
- Glenmont Capital LtdProperty developers
- Gould Wilson Investments LimitedProperty developers
- S & I Thomson LimitedMechanics and garages
What happens if Lumen Electrical 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
- SC523566
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2016 (10 years ago)
- Registered office
- Codebase- Argyle House Codebase- Argyle House, Lady Lawson Street, Edinburgh, EH3 9DR
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 5 January 2026
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 Edinburgh
Other active electrical contractors registered in Edinburgh.
- Lux Electrical (Scotland) Limited2024
- M Barry & Sons Electrical Limited2021
- M Woodhead Engineering Ltd2026
- Main Core Electrical Services Ltd2021
- Manzi Electrical Limited2024
- Maroon Services Ltd2026
- McGregor Electrical Ltd2016
- McVie Electrical Ltd2015
All electrical contractors in Edinburgh · All trades in Edinburgh · Electricians across the UK
Frequently asked questions
When are Lumen Electrical Services Ltd's accounts due?
Lumen Electrical Services Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Lumen Electrical 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 Lumen Electrical Services Ltd still trading?
Lumen Electrical 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 Lumen Electrical Services Ltd do?
Lumen Electrical Services Ltd is registered under Electrical installation (SIC 43210).
How old is Lumen Electrical Services Ltd?
Lumen Electrical Services Ltd was incorporated on 6 January 2016, 10 years ago.
What is the penalty if Lumen Electrical 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 Lumen Electrical 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.