QUADRANT SECURITY GROUP LIMITED
Company details
- Registered name
- QUADRANT SECURITY GROUP LIMITED
- Company number
- 01709934
- Registered office
- SYNECTICS HOUSE, 3-4 BROADFIELD CLOSE, SHEFFIELD, S8 0XN, ENGLAND · 39 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 28 March 1983
- Status
- Active
- Age
- 43 years
- Previous names
- SYNECTICS SECURITY (QSG) LIMITED (to 03 Dec 2020) · SYNECTICS SECURITY LIMITED (to 03 Dec 2020) · SYNECTICS SECURITY GROUP LIMITED (to 03 Dec 2020)
- Nature of business (SIC)
- 99999 — Dormant Company
- Accounts — next due
- 31 Aug 2027
- Accounts — last made up to
- 30 Nov 2025
- Confirmation statement — next due
- 15 Nov 2026
- Confirmation statement — last
- 01 Nov 2025
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- Has traded under 4 names: SYNECTICS SECURITY (QSG) LIMITED, SYNECTICS SECURITY LIMITED, SYNECTICS SECURITY GROUP LIMITED.
- A person with significant control here also controls 38 other companies.
- The last accounts filed were dormant accounts — the company reported no trading.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 03/12/2020 | Registered name changed | SYNECTICS SECURITY GROUP LIMITED | SYNECTICS SECURITY LIMITED |
| 03/12/2020 | Registered name changed | SYNECTICS SECURITY LIMITED | SYNECTICS SECURITY (QSG) LIMITED |
| 03/12/2020 | Registered name changed | SYNECTICS SECURITY (QSG) LIMITED | QUADRANT SECURITY GROUP LIMITED |
| 06/04/2016 | Person with significant control added | — | Synectics Plc |
Documents for QUADRANT SECURITY GROUP LIMITED
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
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About QUADRANT SECURITY GROUP LIMITED (01709934)
QUADRANT SECURITY GROUP LIMITED is a private limited company incorporated on 28 March 1983 and registered in the United Kingdom under company number 01709934. Its registered office is at SYNECTICS HOUSE, 3-4 BROADFIELD CLOSE, SHEFFIELD, S8 0XN, ENGLAND. The recorded nature of business is dormant company (SIC 99999). The company is currently active , with statutory accounts last made up to 30 November 2025. , and the person with significant control is Synectics Plc. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
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