- Companies
- Civil engineering
- Upminster
- Unicoupler UK Ltd
Unicoupler UK Ltd
- Company number
- 09841791
- Incorporated
- 26 Oct 201510 years trading
- Registered office
- 9 Springfield Court, Corbets Tey Road, Upminster, RM14 2AG
- Nature of business
- Construction of other civil engineering projects n.e.c.
Unicoupler UK Ltd is a 10-year-old private limited company registered in Upminster, company number 09841791, one of 16 civil engineering contractors in Upminster. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 up £9,671 (+13.7%) on the year before, to £80K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £80K | £94K | £11K | 2 | |
| 31 Oct 2024 | £71K | £89K | £89K | £11K | 2 |
| 31 Oct 2023 | £66K | £82K | £90K | £11K | 2 |
| 31 Oct 2022 | £51K | £79K | £9,494 | 2 | |
| 31 Oct 2021 | £43K | £67K | £71K | £5,635 | 2 |
| 31 Oct 2020 | £39K | £42K | £2,944 | 2 | |
| 31 Oct 2019 | £44K | £49K | £5,757 | 2 | |
| 31 Oct 2018 | £39K | £46K | £7,536 | ||
| 31 Oct 2017 | £28K | £35K | £8,250 | ||
| 31 Oct 2016 | £9,124 | £15K | £7,680 |
Where Unicoupler UK Ltd is registered
The registered office is in Upminster (RM14), in the Havering local authority area, London. Show RM14 2AG on a map.
Other trade companies in RM14
- Bobofresh LtdCleaning companies
- HTS Construction LtdBuilders
- We Fix Energy LtdCivil engineering
- ZH Services LtdBuilders
- Ragasan LimitedBuilders
- Your Serve LtdCleaning companies
- LC Engineering LtdMachinery repair and installation
- Caat Interiors LtdInstallers
What happens if Unicoupler 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 09841791
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 October 2015 (10 years ago)
- Registered office
- 9 Springfield Court, Corbets Tey Road, Upminster, RM14 2AG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 25 October 2025
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 Upminster
Other active civil engineering contractors registered in Upminster.
- We Fix Energy Ltd2026
- Arg Interior Limited2008
- CD Bissell Projects Ltd2025
- Construction Projects and Programme Services Limited2023
- D & D Group Construction Ltd2021
- Era Electrical Services Ltd2023
- G & M Building Contractors Essex Ltd2009
- Jaek Highway Services Limited2013
All civil engineering contractors in Upminster · All trades in Upminster · Civil engineering across the UK
Frequently asked questions
When are Unicoupler UK Ltd's accounts due?
Unicoupler UK Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Unicoupler UK Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Unicoupler UK Ltd still trading?
Unicoupler 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 Unicoupler UK Ltd do?
Unicoupler UK Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Unicoupler UK Ltd?
Unicoupler UK Ltd was incorporated on 26 October 2015, 10 years ago.
What is the penalty if Unicoupler 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 Unicoupler 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.