# SYSTEM DESIGN LAB UK LTD (10645937)

> SYSTEM DESIGN LAB UK LTD is an active private limited company (company number 10645937) incorporated on 1 March 2017, registered in Stafford. Its registered activity is retail sale via mail order houses or via internet (SIC 47910). Latest small accounts cover the period ending 31 August 2025, showing net assets of £22k and cash of £8,535, with 1 employee on average. Net assets fell 68% on the prior period (£69k).

- Status: Active
- Incorporated: 2017-03-01
- Registered office: Stafford, ST17 4QS
- SIC 47910: Retail sale via mail order houses or via Internet
- SIC 71122: Engineering related scientific and technical consulting activities
- Next accounts due: 2027-05-31
- Confirmation statement due: 2027-03-15
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 8,222 comparable companies in Other (median £100, upper quartile £8,045).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-08-31 | £22k | £8,535 | £15k | £300 | — | — | 1 |
| 2024-08-31 | £69k | £18k | £56k | £4,206 | — | — | 2 |

current ratio 78.18; size band micro.

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

- Net assets above zero: Net assets £21,862 at 31 August 2025
- Net assets down 25% or more on the prior period: -68.5% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 78.18
- Incorporated five or more years ago: Incorporated 1 March 2017

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

## Persons with significant control

- Mrs Semiha Sinem Zengin — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2024-06-07

---
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/10645937
HTML: https://firmoscan.com/company/10645937-system-design-lab-uk-ltd