- Companies
- Cleaning companies
- London
- Professor Cleans Ltd
Professor Cleans Ltd
- Company number
- 17366816
- Incorporated
- 28 Jul 2026
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Window cleaning services; Specialised cleaning services; Other cleaning services
Professor Cleans Ltd is a newly incorporated private limited company registered in London, company number 17366816, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 28 April 2028, and its first CT600 is due at HMRC on 27 July 2028.
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 Professor Cleans Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
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- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 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 Professor Cleans 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 28 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Apr 2028 to 28 May 2028 | £150 |
| 1 to 3 months late | 29 May 2028 to 28 Jul 2028 | £375 |
| 3 to 6 months late | 29 Jul 2028 to 28 Oct 2028 | £750 |
| More than 6 months late | From 29 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17366816
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2026
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Window cleaning services (SIC 81221)
Specialised cleaning services (SIC 81222)
Other cleaning services (SIC 81299) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Professorwash Mobile Valeting & Cleaning Services Limited2019
- Profilink Ltd.2015
- Profinish Car Care Ltd2025
- Progressive Valeting UK Ltd2013
- Project Hygiene Limited2024
- Prolim Cleaning Services Ltd2019
- Prominent Cleaning Services Limited2018
- Promising Cleaners Ltd2021
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Professor Cleans Ltd's accounts due?
Professor Cleans Ltd's next accounts are due at Companies House by 28 April 2028 (in 564 days), covering the period to 31 July 2027.
When is Professor Cleans 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 27 July 2027, due by 27 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Professor Cleans Ltd still trading?
Professor Cleans 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 Professor Cleans Ltd do?
Professor Cleans Ltd is registered under Window cleaning services (SIC 81221); Specialised cleaning services (SIC 81222); Other cleaning services (SIC 81299).
How old is Professor Cleans Ltd?
Professor Cleans Ltd was incorporated on 28 July 2026, less than a year ago.
What is the penalty if Professor Cleans 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 Professor Cleans 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.