−£38k
vs May 2024Active11343749Private limited companyLondon
MM511 LTD
Significant control: Milena Mitkova Mihaylova (significant control)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Mm511 Ltd sell?
Registered activity: Window cleaning services (SIC 81221). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MM511 LTD is an active private limited company (company number 11343749) incorporated on 3 May 2018, registered in London. Its registered activity is window cleaning services (SIC 81221). Latest micro accounts cover the period ending 31 May 2025, showing net assets of −£38k, with 2 employees on average. Turnover was £81k and profit for the year −£5,082. Net assets fell 16% on the prior period (−£33k).
Peer position · net assets
By net assets it sits in the bottom quarter of 113 comparable companies in London (median £1,715, upper quartile £15k).
02
Ownership and control
- Mrs Milena Mitkova Mihaylova
- has significant influence or control
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 3 May 20188 yrs ago
- Next accounts due
- 28 February 2027in 127 days
- Confirmation statement due
- 17 May 2027in 205 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 81221
- Window cleaning services
- SIC 81299
- Other cleaning services
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
£81k
Not reported the period before2
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | −£38k | — | — | £38k | £81k | −£5,082 | 2 |
| 31 May 2024 | −£33k | — | — | £33k | — | — | — |
Current ratio0Current assets ÷ creditors within one year
Net margin-6.3%Profit for the year ÷ turnover
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets below zeroNet assets £-37,766 at 31 May 2025
- Current assets below creditors within one yearCurrent ratio 0.0
- Incorporated five or more years agoIncorporated 3 May 2018
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 205 days
- Next accounts duein 127 days
- Accounts period endNet liabilities £38k · micro accounts
- Accounts period endNet liabilities £33k · micro accounts
- Incorporated
08
Similar companies in London
- SOAP AND BLADE LIMITEDKentish Town · inc. May 2018
- LK LONDON WINDOW CLEANERS LTDLondon · inc. Jul 2018
- SMART EXTERIOR CLEANING SOLUTIONS LTDLondon · inc. Aug 2018
- ACE CLEANING SOLUTIONS LTDLondon · inc. Aug 2018
- GARDEN-07 LIMITEDLondon · inc. Oct 2018
- KIRATA LTDLondon · inc. Aug 2017
All companies incorporated on 3 May 2018 · in May 2018.
09
Reminders for MM511 LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.