- Companies
- Civil engineering
- London
- Pasman Energy Systems UK Ltd
Pasman Energy Systems UK Ltd
- Company number
- 16291433
- Incorporated
- 4 Mar 20251 year trading
- Registered office
- 48 Warwick Street, London, W1B 5AW
- Nature of business
- Construction of utility projects for electricity and telecommunications
Pasman Energy Systems UK Ltd is a 1-year-old private limited company registered in London, company number 16291433, one of 1,853 civil engineering contractors in London. 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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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Where Pasman Energy Systems UK Ltd is registered
The registered office is in London (W1B), in the Westminster local authority area, London. Show W1B 5AW on a map.
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Also registered at this address
3 other companies use the same registered office as Pasman Energy Systems UK Ltd.
- Anglian Building and Roofing Services LtdRoofers
- Deko LtdSpecialist contractors
- Jewel Property Serve LtdBuilders
What happens if Pasman Energy Systems UK 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 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
- 16291433
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2025 (1 year ago)
- Registered office
- 48 Warwick Street, London, W1B 5AW
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 3 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 London
Other active civil engineering contractors registered in London.
- Pathfinder Clean Energy (Pace) Limited2017
- Patrick Engineering Services Limited2025
- Patrick Technology Ltd2020
- Patriot Power Technologies Ltd2026
- Patterson Construction Limited1985
- Patterson Contracts Limited1988
- Paul Alexa Limited2018
- Paul Colclough Site Management Ltd2024
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Pasman Energy Systems UK Ltd's accounts due?
Pasman Energy Systems UK Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Pasman Energy Systems UK Ltd'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 Pasman Energy Systems UK Ltd still trading?
Pasman Energy Systems UK 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 Pasman Energy Systems UK Ltd do?
Pasman Energy Systems UK Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Pasman Energy Systems UK Ltd?
Pasman Energy Systems UK Ltd was incorporated on 4 March 2025, 1 year ago.
What is the penalty if Pasman Energy Systems UK 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 Pasman Energy Systems UK 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.