- Companies
- Electricians
- Grimsby
- Shadow Construction Site Management Limited
Shadow Construction Site Management Limited
- Company number
- 05947016
- Incorporated
- 26 Sep 200620 years trading
- Registered office
- 94 Picksley Crescent, Holton-Le-Clay, Grimsby, South Humberside, DN36 5YE
- Nature of business
- Electrical installation
Shadow Construction Site Management Limited is a 20-year-old private limited company registered in Grimsby, company number 05947016, one of 123 electrical contractors in Grimsby. 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 down £1,500 (-4.1%) on the year before, to £35K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- 1 employee on average, down from 2 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 Mar 2025 | £35K | £10K | £0 | 1 | |
| 31 Mar 2024 | £37K | £29K | £0 | 2 | |
| 31 Mar 2023 | £33K | £33K | £0 | 2 | |
| 31 Mar 2022 | £4,234 | £4,234 | £0 | 1 | |
| 31 Mar 2021 | -£1,676 | £4,368 | £6,044 | 1 | |
| 31 Mar 2020 | £9,482 | £9,482 | £0 | 1 | |
| 31 Mar 2019 | £3,690 | £5,318 | £1,628 | ||
| 31 Mar 2018 | £4,866 | £7,207 | £2,395 | ||
| 31 Mar 2017 | £6,047 | £11K | £5,271 | ||
| 31 Mar 2016 | -£432 | £2,924 | £4,787 | £5,369 |
Who runs and owns Shadow Construction Site Management Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| H*** S*** | Director | Sep 2006 |
| J*** S*** | Director | May 2012 |
| J*** S*** | Secretary | Sep 2006 |
Person with significant control
Where Shadow Construction Site Management Limited is registered
The registered office is in Grimsby (DN36), in the East Lindsey local authority area, East Midlands. Show DN36 5YE on a map.
Other trade companies in DN36
- Net Zero Renewables Ltd LtdBuilders
- Ultimate Civils LimitedCivil engineering
- K G Collins Roofing LtdRoofers
- Coops Autoneering LtdMechanics and garages
- Ibuild Projects LimitedProperty developers
- Humberside Power LimitedElectricians
- Home Fresh Property Maintenance LimitedFacilities management
- Home Fresh Professional Cleaning LimitedCleaning companies
What happens if Shadow Construction Site Management 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
- 05947016
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2006 (20 years ago)
- Registered office
- 94 Picksley Crescent, Holton-Le-Clay, Grimsby, South Humberside, DN36 5YE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 6 September 2026
- Previous names
- J6 Electrical Limited (until 26 Mar 2019)
J6 Holdings Limited (until 17 Oct 2007)
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 Grimsby
Other active electrical contractors registered in Grimsby.
- Shaun Jackson Electrical Limited2015
- Simons Instrument Electrical Metering Services Ltd2024
- SMR Electrical Solutions Limited2024
- Snell Electrical Services Limited2015
- Solarsave Ltd2022
- SR Group (Lincs) Ltd2022
- Switched Positive Electrical Contractors Limited2014
- T&S Complete Property Services Ltd2026
All electrical contractors in Grimsby · All trades in Grimsby · Electricians across the UK
Frequently asked questions
When are Shadow Construction Site Management Limited's accounts due?
Shadow Construction Site Management Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Shadow Construction Site Management 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 Shadow Construction Site Management Limited still trading?
Shadow Construction Site Management 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 Shadow Construction Site Management Limited do?
Shadow Construction Site Management Limited is registered under Electrical installation (SIC 43210).
How old is Shadow Construction Site Management Limited?
Shadow Construction Site Management Limited was incorporated on 26 September 2006, 20 years ago.
Who runs Shadow Construction Site Management Limited?
Shadow Construction Site Management Limited has 2 active directors, the longest-serving appointed in Sep 2006. Their names and service addresses are on the Companies House register.
Who owns Shadow Construction Site Management Limited?
One person or company has significant control of Shadow Construction Site Management Limited: an individual (owns 25% to 50% of the shares).
What is the penalty if Shadow Construction Site Management 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 Shadow Construction Site Management 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.