# SERNA LONDON LTD (07631729)

> SERNA LONDON LTD is an active private limited company (company number 07631729) incorporated on 12 May 2011, registered in London. Its registered activity is general cleaning of buildings (SIC 81210). Latest small accounts cover the period ending 30 June 2025, showing net assets of −£84k and cash of £3,933, with 128 employees on average. Net assets fell 193% on the prior period (£90k).

- Status: Active
- Incorporated: 2011-05-12
- Registered office: London, NW1 0AG
- SIC 81210: General cleaning of buildings
- SIC 81229: Other building and industrial cleaning activities
- Next accounts due: 2027-03-30
- Confirmation statement due: 2027-05-26
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the bottom quarter of 1,522 comparable companies in London (median £496, upper quartile £8,400).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-06-30 | −£84k | £3,933 | — | £535k | — | — | 128 |
| 2024-06-30 | £90k | £864 | — | £446k | — | — | 128 |

current ratio 0.97; size band micro.

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

- Net assets below zero: Net assets £-83,802 at 30 June 2025
- Net assets down 25% or more on the prior period: -192.9% vs prior period
- Current assets below creditors within one year: Current ratio 0.97
- Incorporated five or more years ago: Incorporated 12 May 2011

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

## Persons with significant control

- Mauricio Alejandro Palacios Serna — owns 25–50% of shares; holds 25–50% of voting rights, since 2016-04-06
- Ms Martha Lucia Serna-Rincon — owns 25–50% of shares; holds 25–50% of voting rights, since 2020-08-06

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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/07631729
HTML: https://firmoscan.com/company/07631729-serna-london-ltd