- Companies
- Civil engineering
- Castlederg
- Donnell & Ellis Engineering Limited
Donnell & Ellis Engineering Limited
- Company number
- NI624781
- Incorporated
- 23 May 201412 years trading
- Registered office
- 34 Claremore Road, Castlederg, Co Tyrone, BT81 7RF
- Nature of business
- Construction of other civil engineering projects n.e.c.
Donnell & Ellis Engineering Limited is a 12-year-old private limited company registered in Castlederg, company number NI624781, one of 5 civil engineering contractors in Castlederg. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £213K (+8.3%) on the year before, to £2.8M.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £3.3M against £1.4M owed within a year: 2.4 times cover.
- 52 employees on average, down from 60 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 Dec 2025 | £2.8M | £786K | £3.3M | £1.4M | 52 |
| 31 Dec 2024 | £2.6M | £566K | £3.1M | £1.3M | 60 |
| 31 Dec 2023 | £2.7M | £523K | £3.6M | £1.4M | 65 |
| 31 Dec 2022 | £2.3M | £1.1M | £3.4M | £1.2M | 60 |
| 31 Dec 2021 | £2M | £863K | £2.8M | £940K | 51 |
| 31 Dec 2020 | £1.5M | £635K | £2.1M | £703K | 48 |
| 31 Dec 2019 | £1.1M | £293K | £1.8M | £762K | 47 |
| 31 Dec 2018 | £729K | £91K | £1.4M | £754K | 48 |
| 31 May 2017 | £299K | £50K | £703K | £606K | 31 |
| 31 May 2016 | £143K | £166K | £445K |
Where Donnell & Ellis Engineering Limited is registered
The registered office is in Castlederg (BT81), in the Derry City and Strabane local authority area, Northern Ireland. Show BT81 7RF on a map.
Other trade companies in BT81
- RMG Utilities LtdCivil engineering
- Rda Lowry Plant Hire & Civil Engineering LtdFinishing trades
- C O'Kane and Son Plant Hire LtdSpecialist contractors
- Cloon Solutions LtdMachinery repair and installation
- R Crawford Construction LtdBuilders
- Corrs Construction LtdSpecialist contractors
- S & M Civils LtdBuilders
- DMD Steel Erecting LtdSpecialist contractors
What happens if Donnell & Ellis 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI624781
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 May 2014 (12 years ago)
- Registered office
- 34 Claremore Road, Castlederg, Co Tyrone, BT81 7RF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 18 February 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
- Previous names
- Moyne Shelf Company (No. 356) Limited (until 4 Mar 2015)
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 Castlederg
Other active civil engineering contractors registered in Castlederg.
- O'Neill Contracts & Plant Hire Ltd2017
- P & A Contracts Ltd2004
- RMG Utilities Ltd2026
- Burke & Son Construction Ltd2022
All civil engineering contractors in Castlederg · All trades in Castlederg · Civil engineering across the UK
Frequently asked questions
When are Donnell & Ellis Engineering Limited's accounts due?
Donnell & Ellis Engineering Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Donnell & Ellis Engineering Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Donnell & Ellis Engineering Limited still trading?
Donnell & Ellis Engineering 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 Donnell & Ellis Engineering Limited do?
Donnell & Ellis Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Donnell & Ellis Engineering Limited?
Donnell & Ellis Engineering Limited was incorporated on 23 May 2014, 12 years ago.
What is the penalty if Donnell & Ellis 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 Donnell & Ellis Engineering 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.