# WILLUMSEN ADVISORY SERVICES LTD (09190547)

> WILLUMSEN ADVISORY SERVICES LTD is an active private limited company (company number 09190547) incorporated on 28 August 2014, registered in London. Its registered activity is book publishing (SIC 58110). Latest small accounts cover the period ending 31 August 2025, showing net assets of £35k and cash of £95k, with 1 employee on average. Net assets fell 52% on the prior period (£74k).

- Status: Active
- Incorporated: 2014-08-28
- Registered office: London, NW8 9PB
- SIC 58110: Book publishing
- SIC 72190: Other research and experimental development on natural sciences and engineering
- SIC 74909: Other professional, scientific and technical activities n.e.c.
- Next accounts due: 2027-05-31
- Confirmation statement due: 2027-09-11
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 1,991 comparable companies in London (median £100, upper quartile £8,568).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-08-31 | £35k | £95k | £13k | — | — | — | 1 |
| 2024-08-31 | £74k | £96k | £23k | — | — | — | 1 |

size band micro.

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

- Net assets above zero: Net assets £35,499 at 31 August 2025
- Net assets down 25% or more on the prior period: -51.8% vs prior period
- Cash at bank of £50,000 or more: Cash £94,656
- Incorporated five or more years ago: Incorporated 28 August 2014

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

## Persons with significant control

- Mr Luis Guillermo Willumsen — owns 25–50% of shares, since 2016-04-06
- Mrs Adriana Beatriz Cammalleri — owns 25–50% of shares; holds 25–50% of voting rights, since 2016-08-28

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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/09190547
HTML: https://firmoscan.com/company/09190547-willumsen-advisory-services-ltd