£750k
+156%vs Apr 2025Active03722107Private limited companyCarmarthen
BLUE MOUNTAIN SECURITY LTD
Significant control: Blue Mountain Group Ltd (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Private security activities (SIC 80100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BLUE MOUNTAIN SECURITY LTD is an active private limited company (company number 03722107) incorporated on 26 February 1999, registered in Carmarthen. Its registered activity is private security activities (SIC 80100). Latest small accounts cover the period ending 30 April 2026, showing net assets of £750k and cash of £922k, with 0 employees on average. Net assets rose 156% on the prior period (£293k). 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 7,105 comparable companies in the UK (median £954, upper quartile £16k).
02
Ownership and control
- Blue Mountain Group Ltd
- owns 75–100% of shares
- holds 75–100% of voting rights
- Mr David Nigel Thomas
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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
- 26 February 199927 yrs ago
- Next accounts due
- 30 January 2028in 464 days
- Confirmation statement due
- 12 March 2027in 140 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 80100
- Private security activities
- SIC 80300
- Investigation activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£922k
+137%vs Apr 2025Not reported
0
vs Apr 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | £750k | £922k | £237k | £416k | — | — | 0 |
| 30 April 2025 | £293k | £389k | £217k | £348k | — | — | 0 |
| 30 April 2024 | £351k | £491k | £74k | £252k | — | — | 1 |
Current ratio2.79Current assets ÷ creditors within one year
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 £749,951 at 30 April 2026
- Net assets up 10% or more on the prior period+155.7% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.79
- Cash at bank of £50,000 or moreCash £922,312
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 26 February 1999
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 464 days
- Confirmation statement duein 140 days
- Accounts period endNet assets £750k · small accounts
- Accounts period endNet assets £293k · small accounts
- Accounts period endNet assets £351k · small accounts
- Incorporated
08
Similar companies in Swansea
- TAG SECURITY/RECOVERY LIMITEDSwansea · inc. Jul 2000
- SILURIAN SECURITY SERVICES LIMITEDWest Glam · inc. Jul 2001
- RJ & GM JONES LIMITEDAmmanford · inc. Jan 2003
- CASTLE CLEANING SERVICES (PEMBS) LIMITEDHaverfordwest · inc. Feb 2004
- SPECIAL ASSIGNMENTS LTDNeath · inc. Aug 2006
- SHIELD SECURITY SERVICE LTDNeath · inc. Mar 2007
All companies incorporated on 26 February 1999 · in Feb 1999.
09
Reminders for BLUE MOUNTAIN SECURITY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.