# MM511 LTD (11343749)

> 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).

- Status: Active
- Incorporated: 2018-05-03
- Registered office: London, SW16 2DY
- SIC 81221: Window cleaning services
- SIC 81299: Other cleaning services
- Next accounts due: 2027-02-28
- Confirmation statement due: 2027-05-17
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 113 comparable companies in London (median £1,715, upper quartile £15k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-05-31 | −£38k | — | — | £38k | £81k | −£5,082 | 2 |
| 2024-05-31 | −£33k | — | — | £33k | — | — | — |

current ratio 0; net margin -6.3%; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets below zero: Net assets £-37,766 at 31 May 2025
- Current assets below creditors within one year: Current ratio 0.0
- Incorporated five or more years ago: Incorporated 3 May 2018

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mrs Milena Mitkova Mihaylova — has significant influence or control, since 2018-05-03

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/11343749
HTML: https://firmoscan.com/company/11343749-mm511-ltd