- Companies
- Electricians
- London
- Adcuk Ltd
Adcuk Ltd
- Company number
- 11778072
- Incorporated
- 21 Jan 20197 years trading
- Registered office
- 20-22 Wenlock Road, London, N1 7GU
- Nature of business
- Electrical installation; Other retail sale not in stores, stalls or markets; Management consultancy activities other than financial management; Engineering related scientific and technical consulting activities
Adcuk Ltd is a 7-year-old private limited company registered in London, company number 11778072, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £53K (+16.4%) on the year before, to -£268K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £9,516 against £282K owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£268K | £9,516 | £282K | 0 | |
| 31 Jan 2024 | -£321K | £828 | £321K | 0 | |
| 31 Jan 2023 | -£352K | £221 | 1 | ||
| 31 Jan 2022 | £179K | £1,975 | £529K | £351K | 3 |
| 31 Jan 2021 | £199K | £8,599 | £542K | £351K | 3 |
| 31 Jan 2020 | £232K | £11K | £561K | £349K | 3 |
Where Adcuk Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
804 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Adcuk 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11778072
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2019 (7 years ago)
- Registered office
- 20-22 Wenlock Road, London, N1 7GU
- Nature of business
- Electrical installation (SIC 43210)
Other retail sale not in stores, stalls or markets (SIC 47990)
Management consultancy activities other than financial management (SIC 70229)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 20 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 London
Other active electrical contractors registered in London.
- Adimo Company Ltd2019
- Adm Electrical Solutions Limited2019
- Adtrusol Ltd2017
- Advanced Electrical Management Services Ltd2024
- Advanced Power Developments Limited1986
- Adveks Ltd2024
- Adyourservices Ltd2022
- Ae Lighting Ltd2014
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Adcuk Ltd's accounts due?
Adcuk Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Adcuk Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Adcuk Ltd still trading?
Adcuk 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 Adcuk Ltd do?
Adcuk Ltd is registered under Electrical installation (SIC 43210); Other retail sale not in stores, stalls or markets (SIC 47990); Management consultancy activities other than financial management (SIC 70229); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Adcuk Ltd?
Adcuk Ltd was incorporated on 21 January 2019, 7 years ago.
What is the penalty if Adcuk 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 Adcuk 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.