- Companies
- Cleaning companies
- London
- Key4U Ltd
Key4U Ltd
- Company number
- 15091815
- Incorporated
- 23 Aug 20233 years trading
- Registered office
- Monomark House, 27 Old Gloucester Street, London, WC1N 3AX
- Nature of business
- General cleaning of buildings; Window cleaning services; Other cleaning services
Key4U Ltd is a 3-year-old private limited company registered in London, company number 15091815, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £512 (-8.7%) on the year before, to £5,374.
- Current assets of £225 against £13K owed within a year: 0.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £5,374 | £225 | £13K | 2 | |
| 31 Aug 2024 | £5,886 | £333 | £16K | 2 |
Who runs and owns Key4U Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** B*** | Director | Aug 2023 |
| K*** V*** | Director | Aug 2023 |
Person with significant control
Where Key4U Ltd is registered
The registered office is in London (WC1N), in the Camden local authority area, London. Show WC1N 3AX on a map.
Other trade companies in WC1N
- JDB Consult LtdProperty developers
- Pixie Marine LimitedMachinery repair and installation
- Old Man Edition LtdFloor and wall tilers
- Wise Choice Security LimitedMechanics and garages
- Prime Coating Services LtdMotor traders
- Strive Lands LtdProperty developers
- Statom LimitedBuilders
- Jose Galvez LtdRepair services
Also registered at this address
14 other companies use the same registered office as Key4U Ltd.
- 2MG Invest LtdProperty developers
- 360 Degree Cleaning Services LimitedCleaning companies
- A and R Response Damp Consultancy LtdSpecialist contractors
- A1 Crystal Cleaning LtdCleaning companies
- Armar Builders LtdJoiners and carpenters
- Arvelo Group LtdMotor traders
- Atkinson Compliance LtdPlumbers and heating engineers
- Cali Environment & Support Services LtdCleaning companies
- Ja Construction Group LtdProperty developers
- M-2 Construction London LimitedBuilders
- Ntrio LtdProperty developers
- Q - Build Maintenance (UK) LimitedFacilities management
- Shinecraft Cleaning Services Ltd. LtdCleaning companies
- Thetio Ltd.Cleaning companies
What happens if Key4U 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15091815
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 2023 (3 years ago)
- Registered office
- Monomark House, 27 Old Gloucester Street, London, WC1N 3AX
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221)
Other cleaning services (SIC 81299) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 24 May 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in London
Other active cleaning companies registered in London.
- Keyjay Property Cleaners Ltd.2026
- Keyready Cleaning Services Ltd2026
- Keystone Facilities Services Ltd2026
- KG Cleaning Company 24 Ltd2024
- KGC Services Ltd2025
- KGK Cleaners Ltd2021
- KGK Domestic & Commercial Cleaning Ltd2026
- KGK Group Ltd2025
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Key4U Ltd's accounts due?
Key4U Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Key4U Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Key4U Ltd still trading?
Key4U 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 Key4U Ltd do?
Key4U Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221); Other cleaning services (SIC 81299).
How old is Key4U Ltd?
Key4U Ltd was incorporated on 23 August 2023, 3 years ago.
Who runs Key4U Ltd?
Key4U Ltd has 2 active directors, the longest-serving appointed in Aug 2023. Their names and service addresses are on the Companies House register.
Who owns Key4U Ltd?
One person or company has significant control of Key4U Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if Key4U 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 Key4U 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.