- Companies
- Civil engineering
- Londonderry
- SMS Power Ltd
SMS Power Ltd
- Company number
- NI727315
- Incorporated
- 11 Mar 20251 year trading
- Registered office
- 15 ST. Canices Park, Eglinton, Londonderry, BT47 3AQ
- Nature of business
- Construction of utility projects for electricity and telecommunications
SMS Power Ltd is a 1-year-old private limited company registered in Londonderry, company number NI727315, one of 35 civil engineering contractors in Londonderry. Its next accounts are due at Companies House on 11 December 2026, and its first CT600 is due at HMRC on 10 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns SMS Power Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** M*** | Director | Mar 2025 |
Person with significant control
Where SMS Power Ltd is registered
The registered office is in Londonderry (BT47), in the Derry City and Strabane local authority area, Northern Ireland. Show BT47 3AQ 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 SMS Power 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 11 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Dec 2026 to 11 Jan 2027 | £150 |
| 1 to 3 months late | 12 Jan 2027 to 11 Mar 2027 | £375 |
| 3 to 6 months late | 12 Mar 2027 to 11 Jun 2027 | £750 |
| More than 6 months late | From 12 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI727315
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2025 (1 year ago)
- Registered office
- 15 ST. Canices Park, Eglinton, Londonderry, BT47 3AQ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 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 Londonderry
Other active civil engineering contractors registered in Londonderry.
- Star Commercial Properties Limited2021
- T O'Connell (Utilities) Limited2011
- CJCS Contracts Limited2024
- CPF Contracts Ltd2025
- Craig Civils Limited2026
- Craigview Developments Ltd2002
- Craigview Utilities Ltd2022
- Danny Mac Utilities Ltd2026
All civil engineering contractors in Londonderry · All trades in Londonderry · Civil engineering across the UK
Frequently asked questions
When are SMS Power Ltd's accounts due?
SMS Power Ltd's next accounts are due at Companies House by 11 December 2026 (in 59 days), covering the period to 31 March 2026.
When is SMS Power Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 10 March 2026, due by 10 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is SMS Power Ltd still trading?
SMS Power 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 SMS Power Ltd do?
SMS Power Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is SMS Power Ltd?
SMS Power Ltd was incorporated on 11 March 2025, 1 year ago.
Who runs SMS Power Ltd?
SMS Power Ltd has 1 active director, the longest-serving appointed in Mar 2025. Their names and service addresses are on the Companies House register.
Who owns SMS Power Ltd?
One person or company has significant control of SMS Power Ltd: an individual (owns 75% or more of the shares).
What is the penalty if SMS Power 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 SMS Power 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.