# ADVANCE CRYSTAL SECURITY LTD (13744882)

> ADVANCE CRYSTAL SECURITY LTD is an active private limited company (company number 13744882) incorporated on 15 November 2021, registered in Maidenhead. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £141k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 3778% on the prior period (£3,628).

- Status: Active
- Incorporated: 2021-11-15
- Registered office: Maidenhead, SL6 4DR
- SIC 71122: Engineering related scientific and technical consulting activities
- Next accounts due: 2026-12-31
- Confirmation statement due: 2026-11-29
- Accounts type: MICRO ENTITY

By net assets it sits in the top quarter of 333 comparable companies in Reading (median £12k, upper quartile £52k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | £141k | — | — | — | — | — | 1 |
| 2023-11-30 | £3,628 | — | — | — | — | — | 1 |

size band micro.

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

- Net assets above zero: Net assets £140,676 at 31 March 2025
- Net assets up 10% or more on the prior period: +3777.5% vs prior period
- Incorporated two to five years ago: Incorporated 15 November 2021

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

## Persons with significant control

- Mr Javier Espinosa De Los Monteros Foret — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2021-11-15

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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/13744882
HTML: https://firmoscan.com/company/13744882-advance-crystal-security-ltd