£476k
+81%vs Jan 2025Active13153491Private limited companyCardiff Gate Business Park
JSM MANAGEMENT GROUP LTD
Significant control: Michael Dean Cox (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Jsm Management Group Ltd sell?
Registered activity: Security systems service activities (SIC 80200). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
JSM MANAGEMENT GROUP LTD is an active private limited company (company number 13153491) incorporated on 25 January 2021, registered in Cardiff Gate Business Park. Its registered activity is security systems service activities (SIC 80200). Latest small accounts cover the period ending 31 January 2026, showing net assets of £476k and cash of £49k, with 41 employees on average. Net assets rose 81% on the prior period (£264k). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the top quarter of 89 comparable companies in Cardiff (median £12k, upper quartile £53k).
02
Ownership and control
- Mr Michael Dean Cox
- owns 75–100% of shares
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
- 25 January 20215 yrs ago
- Next accounts due
- 31 October 2027in 368 days
- Confirmation statement due
- 8 February 2027in 103 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 80200
- Security systems service activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£49k
−33%vs Jan 2025Not reported
41
−11%vs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | £476k | £49k | £652k | — | — | — | 41 |
| 31 January 2025 | £264k | £73k | £373k | — | — | — | 46 |
| 31 January 2024 | £287k | £30k | £451k | — | — | — | 29 |
Cash per employee£1,183Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £476,382 at 31 January 2026
- Net assets up 10% or more on the prior period+80.5% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 25 January 2021
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
- Next accounts duein 368 days
- Confirmation statement duein 103 days
- Accounts period endNet assets £476k · small accounts
- Accounts period endNet assets £264k · small accounts
- Accounts period endNet assets £287k · small accounts
- Incorporated
08
Similar companies in Cardiff
- BAILEYS FIRE & SECURITY LTDBlackwood · inc. Jan 2021
- TENTY LTDNewport · inc. Mar 2021
- CFM FIRE & SECURITY LTDCaerphilly · inc. Oct 2020
- DC FIRE & SECURITY SYSTEMS LIMITEDCardiff · inc. Aug 2020
- CYNCOED CCTV LTDCardiff · inc. Jun 2021
- APEX FIRE AND SECURITY SOLUTIONS LIMITEDCardiff · inc. Aug 2020
All companies incorporated on 25 January 2021 · in Jan 2021.
09
Reminders for JSM MANAGEMENT GROUP LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.