- Companies
- Specialist contractors
- Londonderry
- SMC Civils Ltd
SMC Civils Ltd
- Company number
- NI680267
- Incorporated
- 23 Jun 20215 years trading
- Registered office
- 84 Curragh Road, Dungiven, Londonderry, BT47 4QJ
- Nature of business
- Other specialised construction activities n.e.c.
SMC Civils Ltd is a 5-year-old private limited company registered in Londonderry, company number NI680267, one of 48 specialist construction companies in Londonderry. 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 down £31K (-22.8%) on the year before, to £106K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £89K against £5,945 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £106K | £89K | £5,945 | 1 | |
| 30 Jun 2024 | £137K | £133K | £30K | 1 | |
| 30 Jun 2023 | £221K | £261K | £60K | 1 | |
| 30 Jun 2022 | £157K | £182K | £44K | 0 |
Where SMC Civils Ltd is registered
The registered office is in Londonderry (BT47), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT47 4QJ on a map.
Other trade companies in BT47
- RNK Contracts LimitedGroundworks and demolition
- Den Electrical LtdElectricians
- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
- CPMH LtdBuilders
What happens if SMC Civils 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
- NI680267
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 June 2021 (5 years ago)
- Registered office
- 84 Curragh Road, Dungiven, Londonderry, BT47 4QJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 22 September 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Londonderry
Other active specialist construction companies registered in Londonderry.
- Suredrains Ltd2025
- Templemoyle Construction Limited2018
- TKC Quality Solutions Limited2025
- TM20 Ltd2016
- WL McCloskey & Sons Limited2012
- A Daly Ltd2003
- A1 Construction Plant & Machinery Training Centre Limited2015
- Alltradesni Ltd2026
All specialist construction companies in Londonderry · All trades in Londonderry · Specialist contractors across the UK
Frequently asked questions
When are SMC Civils Ltd's accounts due?
SMC Civils Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.
When is SMC Civils 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 SMC Civils Ltd still trading?
SMC Civils Ltd is listed as active on the Companies House register (checked 14 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 SMC Civils Ltd do?
SMC Civils Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is SMC Civils Ltd?
SMC Civils Ltd was incorporated on 23 June 2021, 5 years ago.
What is the penalty if SMC Civils 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 SMC Civils Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 14 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.