PLC Public Limited Company Every UK PLC, from the register

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Concurrent Technologies PLC

We design and manufacture 3U VPX boards and rugged box-level VPX systems, as well as modern VME boards for legacy program sustainment. Built for harsh environments and long-life deployments.… The company’s own description of itself, taken from its website.

Active 41 years old · 803rd oldest of 4,506 · incorporated in the 1980s

Company number01919979
StatusActive
Incorporated06/06/1985
Accounts last made up to31/12/2025
Next accounts due30/06/2027
Accounts typeGROUP
Legal Entity Identifier213800422HXP2X6UPD94
Charges outstanding1

Registered office

4 GILBERD COURT, NEWCOMEN WAY, COLCHESTER, ESSEX, CO4 9WN

Online

Website concurrent.tech

News and announcements on their own site

Social accounts X, YouTube

Found by searching for the company name and kept only where the domain matches it. Social accounts are listed only where the company links to them from its own site. Nothing here is supplied by the company to us.

Filing history

This company has 356 documents on its Companies House record. The most recent accounts were filed on 22/06/2026. Its last confirmation statement or annual return was filed on 22/06/2026.

Filings: share capital33
Filings: accounts16
Filings: officer changes16
Filings: resolutions14
Filings: confirmation statements10
Filings: annual returns6

The most recent filings

Resolution filed 29/06/2026
Confirmation statement 22/06/2026
Group accounts 22/06/2026
Share capital change 16/12/2025
Charge registered or satisfied 15/09/2025
Share capital change 22/07/2025
Confirmation statement 03/07/2025
Share capital change 01/07/2025
Resolution filed 19/06/2025
Share capital change 13/06/2025

This is the list of documents filed, not their contents. A line saying accounts were filed records that they were filed and when; it says nothing about turnover, profit or assets, which are inside the documents themselves and are not published here. Read the filings on the Companies House record.

Who runs it

The register lists 7 current officers and 15 who have resigned.

ONE ADVISORY LIMITED Corporate secretaryappointed 01/03/2025
Miles John Adcock Directorappointed 21/06/2021
Emma Marie Ciechan Directorappointed 05/10/2026
Mark Cubitt Directorappointed 24/03/2020
Nathaniel Edington Directorappointed 27/09/2021
Brent Roland Salgat Directorappointed 19/05/2020
Isabel Urquhart Directorappointed 05/02/2024

Who controls it

The register shows no current person or entity with significant control for this company.

Charges

A charge is security a company gives a lender over its assets. This company has 6 registered charges, of which 1 are not yet recorded as satisfied.

A registered charge
National Westminster Bank PLC
Outstanding, created 26/08/2025
Mortgage debenture
National Westminster Bank PLC
Fully satisfied, created 12/12/1991
Fixed and floating charge
Midland Bank PLC
Fully satisfied, created 08/05/1990
Fixed charge on book debts.
Royal Trust Bank
Fully satisfied, created 22/07/1987
Debenture
Royal Trust Bank
Fully satisfied, created 22/07/1987
Debenture
Royal Trust Bank
Fully satisfied, created 12/02/1987

Officers, controllers and charges are as recorded on the Companies House register on 13/10/2026, and the register changes daily. Appearing here is not an allegation about anyone. Read the current record on the Companies House record.

What it does

  • 26120 - Manufacture of loaded electronic boards

This page is compiled from the public register. Companies House does not verify the information filed with it, so treat everything here as what the company reported rather than as established fact. For filings, officers and charges, see the official Companies House record.

Registered office

No other PLC on the register gives this postcode.

On the register

  • 803rd oldest of 4,506 PLCs
  • One of the 1980s cohort
  • Not in liquidation or facing strike off

There are 4,506 PLCs in Britain, under a tenth of one per cent of the register. The whole count.

Register data as at 2026-09-01 Download the full register (CSV)