BLACK BOX SECURITY ALARM SYSTEMS (SCOTLAND) LIMITED

🌳Matureactive
SC089086 · ltd · incorporated 1984-07-31
Investment thesis
Established operating company — standard diligence applies, no dominant angle.
Why interesting: Live, filing, normal profile.
Why risky: No standout signals in either direction.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Jul 2025
Net worth
£892
book net assets
Opportunity
79/100
Strong
🔔
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What this business does
Primary activity: Other telecommunications activities
Sector: Information & communication
Investor take
Pursue
Active trading company with a 77-year-old founder — textbook succession opportunity.

Opportunity 79/100 (strong), bankability 80/100. Strong seller-intent signal (68/100, director aged 77). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Cash flow review and working-capital discipline. Cash down -75% YoY — forensic review of receivables, stock turns, and creditor days. Most likely exit: strategic trade sale (73/100).

🏦

Refinance opportunity

1 live charge · oldest 32.0y

45/100
under pressure

Refinance would be pressure-driven, not opportunity-driven. Expect tighter margins and covenant scrutiny.

  • · Oldest live charge is 32.0 years old — likely at or near maturity.
  • · Single lender — cleanest path to refinance.
  • · Cashflow trend is negative — lender view likely cautious.

Data confidence

Overall: medium (79/100)

Adequate coverage. AI outputs are reliable for the sections scored high; verify the rest in diligence.

Company profile
address, 1 SIC codes, incorporation date
100
Financials
2 years of iXBRL accounts extracted (YoY deltas available) + narrative notes parsed
75
Lenders & charges
1 charges (1/1 with lender, 1/1 with type)
90
Directors & officers
10 officers (3 active, 10 linked, 7 with DOB)
84
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
1 connected companies via shared directors
48
Filing history
122 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
79/100Strong
PassWatchWorth a lookStrongExceptional 

Solid opportunity signal. Worth a dedicated memo and management meeting.

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
70
Strong succession / seller-readiness signals.
Risk profile
85
Few red flags.
Signal strength
100
Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · FRS 102
Positive net assets
Net assets £892
Net assets shrinking
Down £39,531 YoY
Cash draining
Cash down 75% YoY
Cash YoY
-75%
Year on year

Key financials

2 years extracted from filed iXBRL accounts
Cash
£60k
↓ 75% YoY
Net Worth
£892
↓ 98% YoY
Current Assets
£250k
↓ 34% YoY
Current Liabilities
—
£0£76k£151k£227k£303k£378kJul 2024Jul 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-07-312024-07-31
Total assets£49.7k£164.6k
Current assets£250.3k£378.4k
Cash£59.6k£234.5k
Debtors£170.1k£122.8k
Net assets£892£40.4k

Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.

🔒Filing-note intelligence

2 signals detected in this company's narrative notes — going-concern language, audit opinion, contingent liabilities, related-party transactions.

Available from the Pro tier upwards.

See pricing →

Recent activity

Last 30 days
0
filings
Last 90 days
1
filing
  • • 1 accounts
Last 180 days
3
filings
  • • 2 persons-with-significant-control
  • • 1 accounts
Counts from Companies House filing history.
Corporate timeline (32 events)Click to expand
  1. 2026-03-19
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2025-11-03
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  3. 2025-11-03
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  4. 2025-03-20
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  5. 2024-05-06
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  6. 2024-04-24
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  7. 2023-04-19
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  8. 2022-08-05
    ➖
    CRAWFORD, Alan Douglas resigned
    director
  9. 2022-05-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  10. 2021-08-02
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  11. 2020-05-18
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  12. 2019-12-09
    📄
    change-person-director-company-with-change-date
    officers · CH01
  13. 2019-02-01
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  14. 2018-10-18
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  15. 2018-10-17
    📄
    change-person-director-company-with-change-date
    officers · CH01
  16. 2018-10-17
    📄
    change-person-director-company-with-change-date
    officers · CH01
  17. 2018-10-17
    📄
    change-person-director-company-with-change-date
    officers · CH01
  18. 2018-10-17
    📄
    change-person-secretary-company-with-change-date
    officers · CH03
  19. 2015-04-08
    ➕
    MCLEMAN, Deborah Rosemary appointed
    secretary
  20. 2015-04-08
    ➖
    MCLEMAN, Aileen Russell resigned
    secretary
  21. 2014-07-31
    ➕
    MCLEMAN, Alistair appointed
    director
  22. 2002-10-31
    ➖
    ROSS, William resigned
    director
  23. 1998-01-20
    ➖
    MCLEMAN, Aileen Russell resigned
    director
  24. 1997-04-01
    ➕
    CRAWFORD, Alan Douglas appointed
    director
  25. 1997-03-31
    ➖
    CRAWFORD, Alan Douglas resigned
    director
  26. 1997-03-31
    ➖
    ROBINSON, Douglas resigned
    director
  27. 1997-03-31
    ➕
    ROSS, William appointed
    director
  28. 1997-03-31
    ➖
    ROTHWELL, Mark resigned
    director
  29. 1995-07-19
    ➕
    MCLEMAN, Aileen Russell appointed
    secretary
  30. 1995-07-19
    ➕
    MCLEMAN, Aileen Russell appointed
    director
  31. 1994-04-18
    🔒
    Charge registered #1
    Lender: The Royal Bank of Scotland PLC
  32. 1984-07-31
    🏢
    Company incorporated
    As BLACK BOX SECURITY ALARM SYSTEMS (SCOTLAND) LIMITED

Owner dependency

81/100
Critical — business is the founder

The business appears inseparable from the founder. Acquisition without a serious earn-out or meaningful transition period would likely destroy value.

FACTORS
  • +Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.
  • +Founder age: Director aged approximately 77 — succession pressure is live.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

81/100
Likely off-market candidate

Strong acquirability signals converging. Worth approaching directly — this is how off-market deals start.

SIGNALS
  • primaryFounder aged 70+: Senior director is approximately 77 years old. Natural succession window is now.
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • secondaryStable-but-static management: Company is 42 years old and no new directors in the last 3 years — succession not yet being planned internally.
  • supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.

Red flags

clean
No red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)

Shareholders & ownership

2 active beneficial owners
NameSharesVoting rightsNature of controlNotified
Mr Alistair Mcleman
Individual · British · DOB 04/1983 · age 43
25–50%
—25-50% shares03/11/2025
Mr Lewis Allan Mcleman
Individual · British · DOB 02/1949 · age 77
25–50%
—25-50% shares18/04/2017

From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.

🔒Co-director network graph

Radial SVG graph showing every company connected via shared directors, colour-coded by status.

Available from the Pro tier upwards.

See pricing →

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Peers ranked by estimated value, then turnover, then opportunity score.See all →
🔒Tailored diligence questions

7 specific questions generated from this company's actual signals — liquidity, leverage, director age, charge count, red flags, age-of-company.

Available from the Pro tier upwards.

See pricing →
🔒Advanced scoring suite

Exit-route ranking, improvement thesis, quiet-distress detector, covenant-pressure proxy, extraction monitor, approaching triggers, ownership drift, local cluster, value trap, debt capacity, archetype classification — 48+ scoring modules.

Available from the Pro tier upwards.

See pricing →

Company details

Statusactive
Typeltd
Incorporated1984-07-31
Jurisdictionscotland
Primary SIC61900 — Other telecommunications activities

Registered office

Teknek House River Drive
Inchinnan
Renfrewshire
PA4 9RT
Scotland

Filing status

Accounts
Next due: 2027-05-06
Last made up to: 2025-07-31
Confirmation statement
Next due: 2026-05-20
Last: 2025-05-06

Officers (3 active · 7 resigned)

MCLEMAN, Deborah Rosemary→
secretary · appointed 2015-04-08
View their other companies + combined net worth →
Active
MCLEMAN, Alistair→
director · ~43y · appointed 2014-07-31
View their other companies + combined net worth →
Active
MCLEMAN, Lewis Allan→
director · ~77y
View their other companies + combined net worth →
Active
MCLEMAN, Aileen Russell→
secretary · appointed 1995-07-19 · resigned 2015-04-08
Resigned
CRAWFORD, Alan Douglas→
director · ~78y · appointed 1997-04-01 · resigned 2022-08-05
Resigned
CRAWFORD, Alan Douglas→
director · ~78y · resigned 1997-03-31
Resigned
MCLEMAN, Aileen Russell→
director · appointed 1995-07-19 · resigned 1998-01-20
Resigned
ROBINSON, Douglas→
director · ~78y · resigned 1997-03-31
Resigned
ROSS, William→
director · ~63y · appointed 1997-03-31 · resigned 2002-10-31
Resigned
ROTHWELL, Mark→
director · ~65y · resigned 1997-03-31
Resigned

Click a director name to see their full track record across all companies.

Mortgages & charges

1
Total charges
1
Outstanding
1
Active lenders
Status:Lender:1 of 1 shown
TypeProperties
outstanding
Lloyds Banking Group
The Royal Bank of Scotland PLC
Floating charge1 property18/04/1994—
Click column headers to sort. Use filters above to narrow by status and lender.

Recent filings (122 total)

accounts-with-accounts-type-total-exemption-full
accounts · AA
2026-03-19
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2025-11-03
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2025-11-03
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-05-14
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-03-20
confirmation-statement-with-updates
confirmation-statement · CS01
2024-10-02
termination-director-company-with-name-termination-date
officers · TM01
2024-05-06
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-04-24
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-08-30
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-04-19
confirmation-statement-with-updates
confirmation-statement · CS01
2022-08-05
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-05-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-05-03
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-08-02
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-05-20