£1.90m
+56%vs Aug 2024Active13564805Private limited companyLondon
SERINAMAY LTD
Significant control: Mayumi Yamaguchi (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Serinamay Ltd sell?
Registered activity: Activities of other holding companies n.e.c. (SIC 64209). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SERINAMAY LTD is an active private limited company (company number 13564805) incorporated on 13 August 2021, registered in London. Its registered activity is activities of other holding companies n.e.c. (SIC 64209). Latest small accounts cover the period ending 31 August 2025, showing net assets of £1.90m and cash of £3,158, with 1 employee on average. Net assets rose 56% on the prior period (£1.22m).
Peer position · net assets
By net assets it sits in the top quarter of 11,452 comparable companies in London (median £100, upper quartile £78k).
02
Ownership and control
- Ms Mayumi Yamaguchi
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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
- 13 August 20215 yrs ago
- Next accounts due
- 31 May 2027in 219 days
- Confirmation statement due
- 27 August 2027in 307 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 64209
- Activities of other holding companies n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£3,158
+17%vs Aug 2024Not reported
1
No changevs Aug 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £1.90m | £3,158 | £9,206 | — | — | £57k | 1 |
| 31 August 2024 | £1.22m | £2,695 | £0 | — | — | — | 1 |
Cash per employee£3,158Cash ÷ 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 above zeroNet assets £1,902,355 at 31 August 2025
- Net assets up 10% or more on the prior period+56.2% vs prior period
- Incorporated five or more years agoIncorporated 13 August 2021
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 307 days
- Next accounts duein 219 days
- Accounts period endNet assets £1.90m · small accounts
- Accounts period endNet assets £1.22m · small accounts
- Incorporated
08
Similar companies in London
- TRUE SUB HOLDING LIMITEDLondon · inc. Aug 2021
- 29 VENTURES LTDLondon · inc. Aug 2021
- VL TOPCO LIMITEDLondon · inc. Aug 2021
- COLUMBIFORME HOLDINGS LTDLondon · inc. Aug 2021
- ECHOLINE LIMITEDLondon · inc. Aug 2021
- WMP MIDCO LIMITEDLondon · inc. Aug 2021
All companies incorporated on 13 August 2021 · in Aug 2021.
09
Reminders for SERINAMAY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.