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- Glenside Engineering Limited
Company profile · Civil engineering
Glenside Engineering Limited
Glenside Engineering Limited is a 13-year-old private limited company registered in Derry, company number NI619494, one of 13 civil engineering contractors in Derry. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Glenside Engineering Limited over the years
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 £4,663 (+7.3%) on the year before, to £68K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £90K against £49K owed within a year: 1.8 times cover.
- 3 employees on average, down from 4 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 Jul 2025 | £68K | £90K | £49K | 3 | |
| 31 Jul 2024 | £63K | £75K | £32K | 4 | |
| 31 Jul 2023 | £44K | £42K | £8,944 | 4 | |
| 31 Jul 2022 | £27K | £20K | £7,125 | 4 | |
| 31 Jul 2021 | £23K | £18K | £1,060 | 4 | |
| 31 Jul 2020 | £19K | £15K | £846 | 4 | |
| 31 Jul 2019 | £21K | £16K | £1,117 | 4 | |
| 31 Jul 2018 | £25K | £19K | £1,982 | 3 | |
| 31 Jul 2017 | £18K | £14K | £809 | ||
| 31 Jul 2016 | £11K | £4,841 | £13K | £1,663 |
Where Glenside Engineering Limited is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 8PZ on a map.
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What happens if Glenside Engineering 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- NI619494
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 2013 (13 years ago)
- Registered office
- 63 Woodbrook West, Derry, BT48 8PZ
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 15 June 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 in Derry
Other active civil engineering contractors registered in Derry.
- Hetherington Plant Sales NI Ltd2025
- Jar Construction Limited2006
- MCK Utilities Limited2020
- Rolling Hills Construction Ltd2022
- Silverhill Contracts Ltd.2017
- Amg Welding Fabrication & Mechanical Services Limited2024
- Cdni Limited2022
- CPW Elec Ltd2024
All civil engineering contractors in Derry · All trades in Derry · Civil engineering across the UK
Frequently asked questions
When are Glenside Engineering Limited's accounts due?
Glenside Engineering Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Glenside Engineering Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Glenside Engineering Limited still trading?
Glenside Engineering Limited is listed as active on the Companies House register (checked 12 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 Glenside Engineering Limited do?
Glenside Engineering Limited is registered under Construction of water projects (SIC 42910).
How old is Glenside Engineering Limited?
Glenside Engineering Limited was incorporated on 24 July 2013, 13 years ago.
What is the penalty if Glenside Engineering 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 Glenside Engineering Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.