- Companies
- Civil engineering
- London
- Mattelco UK Ltd
Mattelco UK Ltd
- Company number
- 13996710
- Incorporated
- 23 Mar 20224 years trading
- Registered office
- Quadrant House Floor 6,, 4 Thomas More Square, London, E1W 1YW
- Nature of business
- Construction of utility projects for electricity and telecommunications; Engineering related scientific and technical consulting activities
Mattelco UK Ltd is a 4-year-old private limited company registered in London, company number 13996710, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 down £299K (-942.5%) on the year before, to -£267K.
- Current assets of £289K against £591K owed within a year: 0.5 times cover.
- 6 employees on average, down from 19 the year before.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | -£267K | £188 | £289K | £591K | 6 |
| 31 Dec 2023 | £32K | £121K | £609K | £632K | 19 |
| 31 Dec 2022 | -£174K | £122K | £505K | £710K | 5 |
Who runs and owns Mattelco UK Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** R*** | Director | Mar 2026 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** F*** | Director | Jan 2023 | Jul 2023 |
| S*** J*** | Director | Mar 2022 | Jan 2023 |
| J*** V*** | Director | Jul 2023 | Mar 2026 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Banco Bilbao Vizcaya Argentaria, S.A. | Outstanding | Mar 2023 |
Where Mattelco UK Ltd is registered
The registered office is in London (E1W), in the Tower Hamlets local authority area, London. Show E1W 1YW on a map.
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What happens if Mattelco 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 13996710
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2022 (4 years ago)
- Registered office
- Quadrant House Floor 6,, 4 Thomas More Square, London, E1W 1YW
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 4 April 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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.
- Mav Consulting Limited2017
- Max Wright Services Ltd2021
- Maxim Decorating Ltd2014
- Mayeswood Associates Ltd2016
- Mayhew TM Ltd2024
- MBM Global Consulting Ltd2025
- MC Namara Engineering Limited2018
- McConnell Utilities Limited2025
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Mattelco UK Ltd's accounts due?
Mattelco UK Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Mattelco UK 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 31 December 2025, due by 31 December 2026, 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 Mattelco UK Ltd still trading?
Mattelco 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 Mattelco UK Ltd do?
Mattelco UK Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Mattelco UK Ltd?
Mattelco UK Ltd was incorporated on 23 March 2022, 4 years ago.
Who runs Mattelco UK Ltd?
Mattelco UK Ltd has 1 active director, the longest-serving appointed in Mar 2026. Their names and service addresses are on the Companies House register.
Who owns Mattelco UK Ltd?
One person or company has significant control of Mattelco UK Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if Mattelco 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 Mattelco 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.