# GRID DEFENCE SYSTEMS LIMITED (02837836)

> GRID DEFENCE SYSTEMS LIMITED is an active private limited company (company number 02837836) incorporated on 20 July 1993, registered in High Wycombe. Its registered activity is manufacture of computers and peripheral equipment (SIC 26200). Latest small accounts cover the period ending 31 December 2024, showing net assets of £4.48m and cash of £4.34m, with 24 employees on average. Net assets rose 43% on the prior period (£3.13m).

- Status: Active
- Incorporated: 1993-07-20
- Registered office: High Wycombe, HP10 0AU
- SIC 26200: Manufacture of computers and peripheral equipment
- Next accounts due: 2026-09-30
- Confirmation statement due: 2027-08-03
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 113 comparable companies in Other (median £408, upper quartile £75k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | £4.48m | £4.34m | £1.29m | — | — | — | 24 |
| 2023-12-31 | £3.13m | £2.48m | £715k | — | — | — | 18 |

size band small.

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

- Net assets above zero: Net assets £4,484,721 at 31 December 2024
- Net assets up 10% or more on the prior period: +43.3% vs prior period
- Cash at bank of £50,000 or more: Cash £4,343,524
- Incorporated five or more years ago: Incorporated 20 July 1993
- Accounts past their due date: Due 30 September 2026

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

## Persons with significant control

- Mr Piers Jonathan Wells Rushton — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors; can appoint or remove directors; can appoint or remove directors; has significant influence or control; has significant influence or control; has significant influence or control, since 2016-04-06

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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/02837836
HTML: https://firmoscan.com/company/02837836-grid-defence-systems-limited