# USB CERTIFICATION UK LTD (15028668)

> USB CERTIFICATION UK LTD is an active private limited company (company number 15028668) incorporated on 25 July 2023, registered in Waltham Cross. Its registered activity is technical testing and analysis (SIC 71200). Latest micro accounts cover the period ending 31 July 2025, showing net assets of −£8,501, 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 fell 632% on the prior period (£1,599).

- Status: Active
- Incorporated: 2023-07-25
- Registered office: Waltham Cross, EN8 9BD
- SIC 71200: Technical testing and analysis
- SIC 74909: Other professional, scientific and technical activities n.e.c.
- Next accounts due: 2027-04-30
- Confirmation statement due: 2027-08-08
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 226 comparable companies in Greater London (median £7,271, upper quartile £34k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-07-31 | −£8,501 | — | — | £14k | — | — | 1 |
| 2024-07-31 | £1,599 | — | — | £23k | — | — | 1 |

current ratio 0.4; size band micro.

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

- Net assets below zero: Net assets £-8,501 at 31 July 2025
- Net assets down 25% or more on the prior period: -631.6% vs prior period
- Current assets below creditors within one year: Current ratio 0.4
- Incorporated two to five years ago: Incorporated 25 July 2023

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

## Persons with significant control

- Ms Nesrin Serin Onkardesler — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2024-03-01

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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/15028668
HTML: https://firmoscan.com/company/15028668-usb-certification-uk-ltd