- Companies
- Civil engineering
- Energy System Services Limited
Energy System Services Limited
- Company number
- SC728159
- Incorporated
- 31 Mar 20224 years trading
- Registered office
- The Beeches, Mouswald, Dumfries And Galloway, DG1 4JS
- Nature of business
- Construction of utility projects for electricity and telecommunications
Energy System Services Limited is a 4-year-old private limited company registered in Mouswald, company number SC728159, one of the UK's civil engineering contractors. 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 £24K (-66.6%) on the year before, to £12K.
- Current assets of £44K against £57K owed within a year: 0.8 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £12K | £44K | £57K | 2 | |
| 31 Aug 2024 | £36K | £47K | £29K | 2 | |
| 31 Aug 2023 | £28K | £9,688 | £2,022 | 1 |
Where Energy System Services Limited is registered
The registered office is in Mouswald (DG1), in the Dumfries and Galloway local authority area, Scotland. Show DG1 4JS on a map.
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What happens if Energy System Services 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
- SC728159
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2022 (4 years ago)
- Registered office
- The Beeches, Mouswald, Dumfries And Galloway, DG1 4JS
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 30 March 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies
Other active civil engineering contractors.
Frequently asked questions
When are Energy System Services Limited's accounts due?
Energy System Services 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 Energy System Services 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 Energy System Services Limited still trading?
Energy System Services 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 Energy System Services Limited do?
Energy System Services Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Energy System Services Limited?
Energy System Services Limited was incorporated on 31 March 2022, 4 years ago.
What is the penalty if Energy System Services 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 Energy System Services 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.