- Companies
- Electricians
- Derby
- Signal Subcontractors Limited
Signal Subcontractors Limited
- Company number
- 06676159
- Incorporated
- 19 Aug 200818 years trading
- Registered office
- 30 A Town Street Duffield Derbys 30 A Town Street, Duffield, Derby, Derbyshire, DE56 4EH
- Nature of business
- Electrical installation
Signal Subcontractors Limited is a 18-year-old private limited company registered in Derby, company number 06676159, one of 185 electrical contractors in Derby. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 down £5,367 (-14.1%) on the year before, to £33K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £33K against £3,126 owed within a year: more than 10 times cover.
- 1 employee 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 Aug 2025 | £33K | £33K | £3,126 | 1 | |
| 31 Aug 2024 | £38K | £43K | £7,770 | 1 | |
| 31 Aug 2023 | £51K | £57K | £9,952 | 1 | |
| 31 Aug 2022 | £48K | £54K | £8,539 | 1 | |
| 31 Aug 2021 | £45K | £59K | £13K | 1 | |
| 31 Aug 2020 | £27K | £41K | £13K | 1 | |
| 31 Aug 2019 | £18K | £32K | £14K | ||
| 31 Aug 2018 | £11K | £28K | £17K | ||
| 31 Aug 2017 | £100 | £8,690 | £8,508 | ||
| 31 Aug 2016 | £114 | £7,368 | £8,055 | £9,002 |
Where Signal Subcontractors Limited is registered
The registered office is in Derby (DE56), in the Amber Valley local authority area, East Midlands. Show DE56 4EH on a map.
Other trade companies in DE56
- Reed’S Refinishing LtdPainters and decorators
- Moylan & Parkin Property Investments LimitedProperty developers
- JWT Construction LtdBuilders
- Kingfisher Property SVS LtdInstallers
- Amber Building Services LtdBuilders
- R.G.Harrison LtdPlumbers and heating engineers
- Fonegoodsbelper LtdMachinery repair and installation
- H & R Property and Renovations LimitedBuilders
What happens if Signal Subcontractors 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 06676159
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2008 (18 years ago)
- Registered office
- 30 A Town Street Duffield Derbys 30 A Town Street, Duffield, Derby, Derbyshire, DE56 4EH
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 19 August 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 Derby
Other active electrical contractors registered in Derby.
- Simon Frith Electrical Limited2014
- SJC Installations Limited2006
- Smart Charging Installations Ltd2025
- Smart Sparx Electrical Services Ltd2021
- SP Electrical Contracting Services Ltd2026
- Stenad Group Ltd2026
- Sutton Johal Building Services Ltd2008
- T Nicholson Electrical Ltd2025
All electrical contractors in Derby · All trades in Derby · Electricians across the UK
Frequently asked questions
When are Signal Subcontractors Limited's accounts due?
Signal Subcontractors Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Signal Subcontractors Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Signal Subcontractors Limited still trading?
Signal Subcontractors 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 Signal Subcontractors Limited do?
Signal Subcontractors Limited is registered under Electrical installation (SIC 43210).
How old is Signal Subcontractors Limited?
Signal Subcontractors Limited was incorporated on 19 August 2008, 18 years ago.
What is the penalty if Signal Subcontractors 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 Signal Subcontractors 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.