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- Altok Ltd
Company profile · Electricians
Altok Ltd
Altok Ltd is a 2-year-old private limited company registered in Aylesbury, company number 15439582, one of 110 electrical contractors in Aylesbury. Its next accounts are due at Companies House on 5 January 2028, and the CT600 for the period to 5 April 2027 is due at HMRC on 5 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 5 April 2026, as filed at Companies House.
Altok Ltd over the years
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 £10K (+897%) on the year before, to £11K.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 5 Apr 2026 | £11K | £14K | £2,610 | 0 | |
| 5 Apr 2025 | £1,116 | £1,377 | 0 |
Where Altok Ltd is registered
The registered office is in Aylesbury (HP21), in the Buckinghamshire local authority area, South East. Show HP21 7NE on a map.
Other trade companies in HP21
- Precisionpolish LtdCleaning companies
- Heritage Roofing & Restoration LtdRoofers
- Crexon Group LimitedElectricians
- Adzy Electrical & Property LtdProperty developers
- Dovetail Developments LimitedProperty developers
- Solarvue LtdGlaziers
- UK Motors Aylesbury LimitedMotor traders
- Ibra Transglobal LtdMotor traders
What happens if Altok 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 5 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2028 to 5 Feb 2028 | £150 |
| 1 to 3 months late | 6 Feb 2028 to 5 Apr 2028 | £375 |
| 3 to 6 months late | 6 Apr 2028 to 5 Jul 2028 | £750 |
| More than 6 months late | From 6 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2028 | £200 |
| 3 months late | 5 Jul 2028 | another £200 |
| 6 months late | 5 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- 15439582
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 January 2024 (2 years ago)
- Registered office
- 11 Glenfield Close, Aylesbury, HP21 7NE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 5 April 2026
- Last confirmation statement
- 22 January 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Aylesbury
Other active electrical contractors registered in Aylesbury.
- Ar Intech Ltd2020
- Atf Electrical Limited2017
- Aylesbury Electrical Services Limited1977
- Aylesbury Fire Systems Ltd.1994
- Batt Electrical Ltd2023
- BH Electrical Installations Ltd2025
- Bierton Electrical Contractors Limited2023
- Bierton Group Ltd2024
All electrical contractors in Aylesbury · All trades in Aylesbury · Electricians across the UK
Frequently asked questions
When are Altok Ltd's accounts due?
Altok Ltd's next accounts are due at Companies House by 5 January 2028 (in 450 days), covering the period to 5 April 2027.
When is Altok Ltd's CT600 due?
The CT600 for the period to 5 April 2027 is due at HMRC by 5 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2028.
Is Altok Ltd still trading?
Altok 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 Altok Ltd do?
Altok Ltd is registered under Electrical installation (SIC 43210).
How old is Altok Ltd?
Altok Ltd was incorporated on 24 January 2024, 2 years ago.
What is the penalty if Altok 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 Altok 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.