ENVIRODYNE HOLDINGS LIMITED

Company number 01968550 ·

Active

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Shareholders' funds

£103,188,103

Balance sheet as at 2023-12-31

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What it does

The principal activity of the company continued to be that of a holding company.

The company's own description, from its latest filed accounts.

Overview

Company type
Private Limited Company
Incorporated
1985-12-04
Employees
3 (2023 accounts · was 4 in 2022)
Registered office
71 Queen Victoria Street, London, United Kingdom, EC4V 4BE
Postcode
EC4V 4BE
Capital
99,995 GBP
Accounts category
Group

Accounts

Last made up to
2025-12-31
Next due by
2027-09-30
Financial year end
31 December

Confirmation statement

Last statement dated
2026-01-03
Next due by
2027-01-17
View filing history →

Nature of business (SIC)

  • 26511 Manufacture of electronic measuring, testing etc. equipment, not for industrial process control

Officers 5 current · 4 resigned

Appointed 2021-03-02
Appointed 1991-12-31
DIRECTOR Appointed 1991-12-31

View all officers and resignations →

Group structure 3 subsidiaries

From persons-with-significant-control filings on the public register.

Contact details

Website
sonardyne.com

Sonardyne have been engineering the future of underwater technology for over 50 years. Track, monitor, image, survey, navigate.

Previous company names

NameDate changed
SONARDYNE HOLDINGS LIMITED2026-07-04
SONARDYNE GROUP LIMITED2020-03-02
ALTONQUART LIMITED1986-01-01

Previous registered addresses 2

AddressChanged on
UNIT 25 STATION APPROACH, FLEET, HAMPSHIRE, GU13 8QY1996-08-13
UNIT 4, STATION APPROACH, FLEET, HAMPSHIRE GU13 8QY1989-03-20

Among its peers

Top 10%

by shareholders' funds, of 18 similar companies in EC

2nd oldest of its local peers, trading since 1985.

965 companies are registered at this postcode →

Competitors London

This company ranks 1 among manufacture of electronic measuring, testing etc. equipment, not for industrial process control in London.

Full league table →

The class of 1985

49%

of the 15,386 companies incorporated in 1985 are still active today; 42% have since been dissolved.

A fact about the year, not a forecast for this company.

Survival rates for every incorporation year →