- Companies
- Civil engineering
- Carlisle
- Open Esco Limited
Open Esco Limited
- Company number
- 16305883
- Incorporated
- 11 Mar 20251 year trading
- Registered office
- Castletown Office Castletown, Rockcliffe, Carlisle, Cumbria, CA6 4BN
- Nature of business
- Construction of utility projects for fluids; Plumbing, heat and air-conditioning installation
Open Esco Limited is a 1-year-old private limited company registered in Carlisle, company number 16305883, one of 48 civil engineering contractors in Carlisle. 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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Where Open Esco Limited is registered
The registered office is in Carlisle (CA6), in the Cumberland local authority area, North West. Show CA6 4BN on a map.
Other trade companies in CA6
- TJL Site Management Services LtdBuilders
- Romans Paving LtdLandscapers and gardeners
- Leeds South Esco LimitedCivil engineering
- Leeds South Heat Network LimitedCivil engineering
- Clifford Mechanical LtdMechanics and garages
- WB Roofing and Building LtdRoofers
- Daniel Boulter LimitedProperty developers
- T Grice Roofing LtdRoofers
Also registered at this address
6 other companies use the same registered office as Open Esco Limited.
- Leeds South Esco LimitedCivil engineering
- Leeds South Heat Network LimitedCivil engineering
- North Crawley Heat Network LimitedCivil engineering
- Open Heat Network LimitedCivil engineering
- Tyseley Heat Network LimitedCivil engineering
- Waterloo Heat Network LimitedCivil engineering
What happens if Open Esco 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 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
- 16305883
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2025 (1 year ago)
- Registered office
- Castletown Office Castletown, Rockcliffe, Carlisle, Cumbria, CA6 4BN
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 2 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 Carlisle
Other active civil engineering contractors registered in Carlisle.
- Open Heat Network Limited2025
- P Ferry Training Ltd2025
- Perfect Civils & Groundwork Limited2025
- Protility Services Ltd2022
- R C Williams Groundworks Ltd2024
- Reiver Reinstatement Limited2018
- RG Civil Engineering and Surveying Ltd2024
- S Dinwoodie Contractors Limited2006
All civil engineering contractors in Carlisle · All trades in Carlisle · Civil engineering across the UK
Frequently asked questions
When are Open Esco Limited's accounts due?
Open Esco Limited's next accounts are due at Companies House by 11 December 2026 (in 60 days), covering the period to 31 March 2026.
When is Open Esco Limited'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 Open Esco Limited still trading?
Open Esco 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 Open Esco Limited do?
Open Esco Limited is registered under Construction of utility projects for fluids (SIC 42210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Open Esco Limited?
Open Esco Limited was incorporated on 11 March 2025, 1 year ago.
What is the penalty if Open Esco 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 Open Esco 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.