−£84k
−193%vs Jun 2024Active07631729Private limited companyLondon
SERNA LONDON LTD
Significant control: Mauricio Alejandro Palacios Serna (25–50%), Martha Lucia Serna-Rincon (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Serna London Ltd sell?
Registered activity: General cleaning of buildings (SIC 81210). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
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).
Peer position · net assets
By net assets it sits in the bottom quarter of 1,522 comparable companies in London (median £496, upper quartile £8,400).
02
Ownership and control
- Mauricio Alejandro Palacios Serna
- owns 25–50% of shares
- holds 25–50% of voting rights
- Ms Martha Lucia Serna-Rincon
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 12 May 201115 yrs ago
- Next accounts due
- 30 March 2027in 157 days
- Confirmation statement due
- 26 May 2027in 214 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 81210
- General cleaning of buildings
- SIC 81229
- Other building and industrial cleaning activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£3,933
+355%vs Jun 2024Not reported
128
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | −£84k | £3,933 | — | £535k | — | — | 128 |
| 30 June 2024 | £90k | £864 | — | £446k | — | — | 128 |
Current ratio0.97Current assets ÷ creditors within one year
Cash per employee£31Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets below zeroNet 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 yearCurrent ratio 0.97
- Incorporated five or more years agoIncorporated 12 May 2011
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 214 days
- Next accounts duein 157 days
- Accounts period endNet liabilities £84k · small accounts
- Accounts period endNet assets £90k · small accounts
- Incorporated
08
Similar companies in London
- T&T CLEANING SERVICE SOLUTION LIMITEDLondon · inc. May 2011
- RADIANCE PROPERTY SERVICES LIMITEDLondon · inc. May 2011
- GLOBAL SERVICES AND MAINTENANCE LIMITEDLondon · inc. May 2011
- MARIN FAST CLEANING SERVICES LTDLondon · inc. Jun 2011
- GNVASILE LIMITEDLondon · inc. Jun 2011
- DAISYDAY CLEANING LIMITEDLondon · inc. Jun 2011
All companies incorporated on 12 May 2011 · in May 2011.
09
Reminders for SERNA LONDON LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.