# QUAD-LOCK BUILDING SYSTEMS LIMITED (07550516)

> QUAD-LOCK BUILDING SYSTEMS LIMITED is an active private limited company (company number 07550516) incorporated on 3 March 2011, registered in Brighton. Its registered activity is other manufacturing n.e.c. (SIC 32990). Latest small accounts cover the period ending 31 March 2025, showing net assets of −£5,973 and cash of £6,413, with 3 employees on average. Net assets fell 149% on the prior period (£12k).

- Status: Active
- Incorporated: 2011-03-03
- Registered office: Brighton, BN1 4ST
- SIC 32990: Other manufacturing n.e.c.
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-03-17
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the lower half of 149 comparable companies in Brighton (median £4,897, upper quartile £91k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | −£5,973 | £6,413 | £3,578 | — | — | — | 3 |
| 2024-03-31 | £12k | £28k | £1,417 | — | — | — | 3 |

size band micro.

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

- Net assets below zero: Net assets £-5,973 at 31 March 2025
- Net assets down 25% or more on the prior period: -148.6% vs prior period
- Incorporated five or more years ago: Incorporated 3 March 2011

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

## Persons with significant control

- Mr Markus Kustermann — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2016-04-06

---
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/07550516
HTML: https://firmoscan.com/company/07550516-quad-lock-building-systems-limited