# SERINAMAY LTD (13564805)

> 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).

- Status: Active
- Incorporated: 2021-08-13
- Registered office: London, EC2A 4BA
- SIC 64209: Activities of other holding companies n.e.c.
- Next accounts due: 2027-05-31
- Confirmation statement due: 2027-08-27
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 11,452 comparable companies in London (median £100, upper quartile £78k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-08-31 | £1.90m | £3,158 | £9,206 | — | — | £57k | 1 |
| 2024-08-31 | £1.22m | £2,695 | £0 | — | — | — | 1 |

size band micro.

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

- Net assets above zero: Net 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 ago: Incorporated 13 August 2021

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

## Persons with significant control

- Ms Mayumi Yamaguchi — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2021-08-13

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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/13564805
HTML: https://firmoscan.com/company/13564805-serinamay-ltd