- Companies
- Civil engineering
- London
- Kolektor Etra UK Limited
Kolektor Etra UK Limited
- Company number
- 12598161
- Incorporated
- 12 May 20206 years trading
- Registered office
- Ground Floor, 123 Pall Mall, London, SW1Y 5EA
- Nature of business
- Construction of utility projects for electricity and telecommunications; Agents involved in the sale of machinery, industrial equipment, ships and aircraft; Wholesale of electronic and telecommunications equipment and parts; Wholesale of other machinery and equipment
Kolektor Etra UK Limited is a 6-year-old private limited company registered in London, company number 12598161, 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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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 unchanged on the year before, at £10K.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £10K | 0 | |||
| 31 Dec 2024 | £10K | 0 | |||
| 31 Dec 2023 | £10K | £10K | 0 | ||
| 31 Dec 2022 | £10K | £10K | 0 | ||
| 31 Dec 2021 | £10K | £10K | 0 | ||
| 31 Dec 2020 | £10K | £10K | 0 |
Where Kolektor Etra UK Limited is registered
The registered office is in London (SW1Y), in the Westminster local authority area, London. Show SW1Y 5EA on a map.
Other trade companies in SW1Y
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- Blackstone Stay Management LtdBuilders
- Blackstone Construction Management LtdBuilders
- Star Plant Construction & Property Management LtdBuilders
- Star Plant Construction Works LtdGroundworks and demolition
- Premier Construction Works LtdGroundworks and demolition
- Premier Construction & Real Estate Management LtdBuilders
Also registered at this address
3 other companies use the same registered office as Kolektor Etra UK Limited.
- Av International Trading Group LimitedMotor traders
- Clicar UK LimitedMotor traders
- Unibal Portfolio 1 LimitedCivil engineering
What happens if Kolektor Etra UK 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 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
- 12598161
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2020 (6 years ago)
- Registered office
- Ground Floor, 123 Pall Mall, London, SW1Y 5EA
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140)
Wholesale of electronic and telecommunications equipment and parts (SIC 46520)
Wholesale of other machinery and equipment (SIC 46690) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 20 May 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.
- Komo Construction Ltd2016
- KP.Amdp. Ltd2025
- KPC Engineering Ltd.2021
- Krishna Rail Construction Ltd2017
- KRK Projects Limited2023
- Krow Ltd2022
- Kunham Services Limited2009
- Kwame Anim Limited2023
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Kolektor Etra UK Limited's accounts due?
Kolektor Etra UK Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Kolektor Etra UK Limited'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 Kolektor Etra UK Limited still trading?
Kolektor Etra UK 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 Kolektor Etra UK Limited do?
Kolektor Etra UK Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140); Wholesale of electronic and telecommunications equipment and parts (SIC 46520); Wholesale of other machinery and equipment (SIC 46690).
How old is Kolektor Etra UK Limited?
Kolektor Etra UK Limited was incorporated on 12 May 2020, 6 years ago.
What is the penalty if Kolektor Etra UK 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 Kolektor Etra UK 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.