# ELECTRO-DETECTORS LIMITED (01664115)

> ELECTRO-DETECTORS LIMITED is an active private limited company (company number 01664115) incorporated on 14 September 1982, registered in Harlow. Its registered activity is manufacture of other electrical equipment (SIC 27900). Latest small accounts cover the period ending 31 December 2025, showing net assets of £3.36m and cash of £3.11m, with 31 employees on average. Net assets rose 5% on the prior period (£3.19m). Across the last 3 periods on record the net-asset trend is volatile.

- Status: Active
- Incorporated: 1982-09-14
- Registered office: Harlow, CM20 2EG
- SIC 27900: Manufacture of other electrical equipment
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-09-28
- Accounts type: SMALL

By net assets it sits in the top quarter of 57 comparable companies in Essex (median £20k, upper quartile £232k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £3.36m | £3.11m | £1.57m | £3.33m | — | — | 31 |
| 2024-12-31 | £3.19m | £2.24m | £3.34m | — | — | — | 31 |
| 2023-12-31 | £3.45m | £2.92m | £1.77m | — | — | — | 30 |

current ratio 1.71; net assets trend volatile; size band small.

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

- Net assets above zero: Net assets £3,360,964 at 31 December 2025
- Current assets at least 1.5× creditors within one year: Current ratio 1.71
- Cash at bank of £50,000 or more: Cash £3,110,526
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 14 September 1982

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

## Persons with significant control

- Arthenella Limited (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights, 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/01664115
HTML: https://firmoscan.com/company/01664115-electro-detectors-limited