# ULTROX LIMITED (13714774)

> ULTROX LIMITED is an active private limited company (company number 13714774) incorporated on 1 November 2021, registered in Harpenden. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest micro accounts cover the period ending 31 July 2025, showing net assets of −£352, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 8900% on the prior period (£4).

- Status: Active
- Incorporated: 2021-11-01
- Registered office: Harpenden, AL5 2EJ
- SIC 72110: Research and experimental development on biotechnology
- SIC 72200: Research and experimental development on social sciences and humanities
- Next accounts due: 2027-04-30
- Confirmation statement due: 2026-11-15
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 2,418 comparable companies in the UK (median £1,000, upper quartile £92k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-07-31 | −£352 | — | — | £302 | — | — | 0 |
| 2024-11-30 | £4 | — | — | £4 | — | — | 0 |

current ratio 0.33; size band micro.

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

- Net assets below zero: Net assets £-352 at 31 July 2025
- Net assets down 25% or more on the prior period: -8900.0% vs prior period
- Current assets below creditors within one year: Current ratio 0.33
- Incorporated two to five years ago: Incorporated 1 November 2021

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

## Persons with significant control

- Mr Michael James Von Bertele — holds 75–100% of voting rights, since 2021-11-01

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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/13714774
HTML: https://firmoscan.com/company/13714774-ultrox-limited