- Companies
- Cleaning companies
- London
- UK1 Cleaning Co Ltd
UK1 Cleaning Co Ltd
- Company number
- 16555017
- Incorporated
- 1 Jul 20251 year trading
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- General cleaning of buildings; Window cleaning services; Specialised cleaning services; Other cleaning services
UK1 Cleaning Co Ltd is a 1-year-old private limited company registered in London, company number 16555017, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 UK1 Cleaning Co Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
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- Steam Wood Stone LtdFinishing trades
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- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 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 UK1 Cleaning Co 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16555017
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2025 (1 year ago)
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- 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
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 30 June 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.
- Ukraine Express Cleaning Ltd2026
- Ultimate Cleaners Ltd2021
- Ultimate Cleaning Services Limited2001
- Ultimate Valet Services Ltd2020
- Ultimately Eco Cleaning Ltd2010
- Ultra Best Cleaning Services Limited2025
- Ultra Cleaning Services 2025 Ltd2025
- Ultracleaners Limited2023
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are UK1 Cleaning Co Ltd's accounts due?
UK1 Cleaning Co Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is UK1 Cleaning Co Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is UK1 Cleaning Co Ltd still trading?
UK1 Cleaning Co 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 UK1 Cleaning Co Ltd do?
UK1 Cleaning Co 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 UK1 Cleaning Co Ltd?
UK1 Cleaning Co Ltd was incorporated on 1 July 2025, 1 year ago.
What is the penalty if UK1 Cleaning Co 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 UK1 Cleaning Co 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.