- Companies
- Civil engineering
- Magherafelt
- Specialist Drilling Services (NI) Ltd
Specialist Drilling Services (NI) Ltd
- Company number
- NI039427
- Incorporated
- 13 Oct 200026 years trading
- Registered office
- 74 Derrynoyd Road, Draperstown, Magherafelt, BT45 7DW
- Nature of business
- Construction of water projects
Specialist Drilling Services (NI) Ltd is a 26-year-old private limited company registered in Magherafelt, company number NI039427, one of 13 civil engineering contractors in Magherafelt. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £46K (+12.5%) on the year before, to £414K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £125K against £87K owed within a year: 1.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £414K | £125K | £87K | 0 | |
| 30 Jun 2024 | £368K | £6,214 | £31K | £30K | 1 |
| 30 Jun 2023 | £401K | £25K | £33K | £28K | 1 |
| 30 Jun 2022 | £441K | £44K | £22K | -1 | |
| 30 Jun 2021 | £491K | £10K | £28K | -1 | |
| 30 Jun 2020 | £561K | £57K | £79K | 1 | |
| 30 Jun 2019 | £510K | £77K | £113K | ||
| 30 Jun 2018 | £456K | £68K | £17K | ||
| 30 Jun 2016 | £253K | £249K | £360K | ||
| 30 Jun 2015 | £18K | £24K | £6,248 |
Where Specialist Drilling Services (NI) Ltd is registered
The registered office is in Magherafelt (BT45), in the Mid Ulster local authority area, Northern Ireland. Show BT45 7DW on a map.
Other trade companies in BT45
- Oakleaf Modular Solutions LimitedSpecialist contractors
- Decorfinishni LtdPainters and decorators
- Tonagh Construction Services LtdSpecialist contractors
- Es Brickwork LtdSpecialist contractors
- CSS Ireland LtdSpecialist contractors
- 825 Contracts LtdBuilders
- Vind Services LtdMachinery repair and installation
- Braidwater (Strategic Land) LimitedProperty developers
What happens if Specialist Drilling Services (NI) Ltd 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- NI039427
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2000 (26 years ago)
- Registered office
- 74 Derrynoyd Road, Draperstown, Magherafelt, BT45 7DW
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 31 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 in Magherafelt
Other active civil engineering contractors registered in Magherafelt.
- Sperrin Network Services Limited2022
- Sperrin Utilities Ltd2022
- Ward Piling Limited2004
- Apex NRG Ltd2020
- BMC Engineering Solutions (NI) Limited2016
- Curragh Utility Services Ltd2026
- Hillhead Plant & Haulage Ltd2017
- NL Contract Services Limited2022
All civil engineering contractors in Magherafelt · All trades in Magherafelt · Civil engineering across the UK
Frequently asked questions
When are Specialist Drilling Services (NI) Ltd's accounts due?
Specialist Drilling Services (NI) Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Specialist Drilling Services (NI) Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Specialist Drilling Services (NI) Ltd still trading?
Specialist Drilling Services (NI) Ltd 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 Specialist Drilling Services (NI) Ltd do?
Specialist Drilling Services (NI) Ltd is registered under Construction of water projects (SIC 42910).
How old is Specialist Drilling Services (NI) Ltd?
Specialist Drilling Services (NI) Ltd was incorporated on 13 October 2000, 26 years ago.
What is the penalty if Specialist Drilling Services (NI) Ltd 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 Specialist Drilling Services (NI) Ltd 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.