- Companies
- Cleaning companies
- London
- Cleaning Square Ltd
Cleaning Square Ltd
- Company number
- 16933728
- Incorporated
- 29 Dec 2025
- Registered office
- 277-279 Chiswick High Road, London, W4 4PU
- Nature of business
- General cleaning of buildings; Window cleaning services; Specialised cleaning services; Other cleaning services
Cleaning Square Ltd is a newly incorporated private limited company registered in London, company number 16933728, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 29 September 2027, and its first CT600 is due at HMRC on 28 December 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Cleaning Square Ltd is registered
The registered office is in London (W4), in the Hounslow local authority area, London. Show W4 4PU on a map.
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- Ek Carsales LtdMotor traders
Shared registered office
26 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 Cleaning Square 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 29 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Sep 2027 to 29 Oct 2027 | £150 |
| 1 to 3 months late | 30 Oct 2027 to 29 Dec 2027 | £375 |
| 3 to 6 months late | 30 Dec 2027 to 29 Mar 2028 | £750 |
| More than 6 months late | From 30 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16933728
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 December 2025
- Registered office
- 277-279 Chiswick High Road, London, W4 4PU
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221)
Specialised cleaning services (SIC 81222)
Other cleaning services (SIC 81299) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- Cleaning Square Services Ltd (until 8 Jul 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.
- Cleaning Stenli London Ltd2020
- Cleaning Superboss Ltd2025
- Cleaning Team Services Limited2013
- Cleaning the Impossible Ltd2026
- Cleaning Time Service Ltd2024
- Cleaning&Soloutions Un Ltd2026
- Cleaning4Health Ltd2021
- Cleaning4LDN Ltd2026
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Cleaning Square Ltd's accounts due?
Cleaning Square Ltd's next accounts are due at Companies House by 29 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Cleaning Square Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 December 2026, due by 28 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cleaning Square Ltd still trading?
Cleaning Square 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 Cleaning Square Ltd do?
Cleaning Square Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221); Specialised cleaning services (SIC 81222); Other cleaning services (SIC 81299).
How old is Cleaning Square Ltd?
Cleaning Square Ltd was incorporated on 29 December 2025, less than a year ago.
What is the penalty if Cleaning Square 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 Cleaning Square 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.