- Companies
- Finishing trades
- London
- Alteku Ltd
Alteku Ltd
- Company number
- 10181488
- Incorporated
- 16 May 201610 years trading
- Registered office
- 199 Capel Road, London, E12 5DB
- Nature of business
- Other building completion and finishing
Alteku Ltd is a 10-year-old private limited company registered in London, company number 10181488, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 down £775 (-84.4%) on the year before, to £143.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £22K against £23K owed within a year: 1.0 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £143 | £7,864 | £22K | £23K | 2 |
| 30 Apr 2024 | £918 | £8,001 | £21K | £21K | 1 |
| 30 Apr 2023 | £176 | £3,593 | £12K | £12K | 1 |
| 30 Apr 2022 | £800 | £7,702 | £19K | £19K | 1 |
| 30 Apr 2021 | £64 | £4,356 | £11K | £11K | 1 |
| 30 Apr 2020 | £221 | £5,211 | £13K | £13K | 1 |
| 30 Apr 2019 | £1,844 | £1,143 | £5,631 | £3,787 | 1 |
| 30 Apr 2018 | £35 | £358 | £4,199 | £4,164 | 1 |
| 30 Apr 2017 | £360 | £4,173 | £8,280 | £7,920 | 1 |
Who runs and owns Alteku Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** K*** | Director | May 2016 |
Person with significant control
Where Alteku Ltd is registered
The registered office is in London (E12), in the Newham local authority area, London. Show E12 5DB on a map.
Other trade companies in E12
- Hhda LtdBuilders
- Zondon Autos LtdMotor traders
- Thatikonda LtdBuilders
- Afz Maintenance LtdPlumbers and heating engineers
- Repairwise Property Maintenance LtdFinishing trades
- W4 Residences LtdPainters and decorators
- Lima Trucks LtdMotor traders
- Ai Prime Constructions LtdProperty developers
What happens if Alteku 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 10181488
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 May 2016 (10 years ago)
- Registered office
- 199 Capel Road, London, E12 5DB
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 15 May 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- Alto Build Co. Ltd2014
- Altoluxo Furnishings Ltd2025
- Altouareg Ltd2017
- Altura Projects Ltd2026
- Alu Building Safety & Facades Ltd2019
- Alumic Ltd2019
- Alya Holdings Group Ltd2019
- Am && PM Ltd2021
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Alteku Ltd's accounts due?
Alteku Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Alteku Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Alteku Ltd still trading?
Alteku 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 Alteku Ltd do?
Alteku Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Alteku Ltd?
Alteku Ltd was incorporated on 16 May 2016, 10 years ago.
Who runs Alteku Ltd?
Alteku Ltd has 1 active director, the longest-serving appointed in May 2016. Their names and service addresses are on the Companies House register.
Who owns Alteku Ltd?
One person or company has significant control of Alteku Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Alteku 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 Alteku 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.