Firmoscan
Active01709934Private limited companySheffield

QUADRANT SECURITY GROUP LIMITED

Significant control: Synectics PLC (75–100%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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Registered activity: Dormant Company (SIC 99999). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

QUADRANT SECURITY GROUP LIMITED is an active private limited company (company number 01709934) incorporated on 28 March 1983, registered in Sheffield. Its registered activity is dormant company (SIC 99999). Accounts are on file at Companies House (dormant) but not yet parsed into this record.

There are 1,587 companies in dormant company in Sheffield with filed accounts; the median reports net assets of £2 and is 12 years old.

02

Ownership and control

1 active
  • Synectics Plc
    corporate entity, England · since 6 April 2016
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors
    • has significant influence or control

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
28 March 198343 yrs ago
First accounts due
28 December 198415274 days overdue
Confirmation statement due
11 April 2027in 170 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 99999
Dormant Company
Accounts type
Dormant
05

Financials

No accounts on record

Accounts exist on the register but their figures are not in this dataset yet.

06

Filing and accounts signals

Facts from the register · no rating
  • Incorporated five or more years agoIncorporated 28 March 1983
  • Accounts past their due dateDue 28 December 1984

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Confirmation statement duein 170 days
  2. First accounts due15274 days overdue
  3. Incorporated
08

Similar companies in Sheffield

Same activity (dormant company), closest in incorporation date

All companies incorporated on 28 March 1983 · in Mar 1983.

09

Reminders for QUADRANT SECURITY GROUP LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).