- Companies
- Civil engineering
- London
- Adoxtech Ltd.
Adoxtech Ltd.
- Company number
- 09491441
- Incorporated
- 16 Mar 201511 years trading
- Registered office
- 15 Trelawn Road, London, E10 5QD
- Nature of business
- Construction of railways and underground railways
Adoxtech Ltd. is a 11-year-old private limited company registered in London, company number 09491441, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £5,586 (+102.4%) on the year before, to £133.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £8,190 against £2,938 owed within a year: 2.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £133 | £7,310 | £8,190 | £2,938 | 0 |
| 31 Mar 2025 | -£5,453 | £0 | £0 | £334 | 1 |
| 31 Mar 2024 | -£7,915 | £302 | £302 | £2,023 | 1 |
| 31 Mar 2023 | -£9,194 | £314 | £314 | £2,359 | 1 |
| 31 Mar 2022 | -£9,455 | £354 | £354 | £1,349 | 2 |
| 31 Mar 2021 | -£193 | £14K | £14K | £14K | 2 |
| 31 Mar 2020 | £1,209 | £23K | £23K | £22K | 2 |
| 31 Mar 2019 | £1,090 | £14K | £14K | £13K | |
| 31 Mar 2018 | £48 | £7,875 | £7,875 | £7,827 | |
| 31 Mar 2017 | £20 | £11K | £16K | £16K |
Where Adoxtech Ltd. is registered
The registered office is in London (E10), in the Waltham Forest local authority area, London. Show E10 5QD on a map.
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What happens if Adoxtech 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 09491441
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 March 2015 (11 years ago)
- Registered office
- 15 Trelawn Road, London, E10 5QD
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 4 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.
- Adrian Q Ltd2024
- Adrm Site Engineering Services Ltd2014
- Advanced Construction Services Ltd2017
- Advanced Material Logistics UK Limited2013
- Aegis Contract Services Ltd2026
- Aegis Fibre Networks Ltd2025
- Aeh UK Limited2021
- Aej Construction Ltd2012
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Adoxtech Ltd.'s accounts due?
Adoxtech Ltd.'s next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Adoxtech Ltd.'s CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Adoxtech Ltd. still trading?
Adoxtech 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 Adoxtech Ltd. do?
Adoxtech Ltd. is registered under Construction of railways and underground railways (SIC 42120).
How old is Adoxtech Ltd.?
Adoxtech Ltd. was incorporated on 16 March 2015, 11 years ago.
What is the penalty if Adoxtech 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 Adoxtech 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.