- Companies
- Cleaning companies
- London
- Mavens of London Ltd
Mavens of London Ltd
- Company number
- 17135240
- Incorporated
- 2 Apr 2026
- Registered office
- 29 Holland Street, London, W8 4NA
- Nature of business
- General cleaning of buildings; Specialised cleaning services; Other building and industrial cleaning activities; Other cleaning services
Mavens of London Ltd is a newly incorporated private limited company registered in London, company number 17135240, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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.
Is this your company?
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Where Mavens of London Ltd is registered
The registered office is in London (W8), in the Kensington and Chelsea local authority area, London. Show W8 4NA on a map.
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What happens if Mavens of London 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17135240
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 April 2026
- Registered office
- 29 Holland Street, London, W8 4NA
- Nature of business
- General cleaning of buildings (SIC 81210)
Specialised cleaning services (SIC 81222)
Other building and industrial cleaning activities (SIC 81229)
Other cleaning services (SIC 81299) - Year end
- 31 March (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.
- Maxi83 Limited2009
- Maxiclean Cleaning Services Ltd2017
- Maxpoint Ltd2026
- Maxprolux Ltd2026
- Maxsky Cleaning Service Limited2023
- Maya Cleaning Agency Ltd2025
- Maya's Cleaning Team Ltd2013
- Mayaden Limited2021
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Mavens of London Ltd's accounts due?
Mavens of London Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Mavens of London Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Mavens of London Ltd still trading?
Mavens of London 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 Mavens of London Ltd do?
Mavens of London Ltd is registered under General cleaning of buildings (SIC 81210); Specialised cleaning services (SIC 81222); Other building and industrial cleaning activities (SIC 81229); Other cleaning services (SIC 81299).
How old is Mavens of London Ltd?
Mavens of London Ltd was incorporated on 2 April 2026, less than a year ago.
What is the penalty if Mavens of London 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 Mavens of London 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.