Private company

Synectics plc

Logo: synecticsplc.com³

Synectics plc is a UK security and surveillance systems company based in Sheffield, founded in 1983.¹

Last updated Oct 21, 2026.

Overview

Jul 15, 1983Founded¹

Industrysecurity industry¹
HeadquartersSheffield¹
Websitewww.synecticsplc.com
Legal formpublic limited company¹
Listed onLondon Stock Exchange (SNX)¹
LEI213800C1F7YZH96U2Z49²
StatusActive²
LEI statusIssued and current²
Registered addressSYNECTICS HOUSE, S8 0XN Sheffield, United Kingdom²
Registered withCompanies House, 01740011²

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Corporate structure

Synectics plc sits at the top of its group. 5 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Synectics plc Sheffield, United Kingdom
- QUADNETICS EMPLOYEES' TRUSTEES LIMITED Subsidiary · Sheffield, United Kingdom
- QUADNETICS SIP TRUSTEES LIMITED Subsidiary · Sheffield, United Kingdom
- SANPHO PENSION TRUSTEES LIMITED Subsidiary · Sheffield, United Kingdom
- Synectic Systems Group Limited Subsidiary · United Kingdom

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries

Synectic Systems Group Limited

From Wikidata.¹

Former names

Quadnetics Group plcuntil Jul 16, 2012¹

Timeline

Jan 15, 2002Went public Listed on London Stock Exchange¹
Jul 15, 1983Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataSynectics plc on Wikidata
2
GLEIFSynectics plc LEI record (213800C1F7YZH96U2Z49)
3
Company websiteSynectics plc logo