NORTHERN SECURITY ALARMS LIMITED

🌳Matureactive
SC360726 · ltd · incorporated 2009-06-05
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.
Opportunity decay
approaching window · 12-months
Approaching a transaction window — refinance or sale event plausible in the next 12 months.
  • · Oldest live charge 16.8y old — refinance window within 12 months
🔒Estimated value
Upgrade to see
Turnover
year to Jun 2025
Net worth
book net assets
Opportunity
73/100
Strong
🔔
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What this business does
Primary activity: Security systems service activities
Sector: Administrative & support services
Investor take
Pursue
Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 73/100 (strong), bankability 80/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Biggest value-creation lever: Discharge stale live charges. 1 live charge(s) created 15+ years ago — likely paid but undischarged. Clean register. Most likely exit: share sale to pe / searcher (58/100).

🏦

Refinance opportunity

1 live charge · oldest 16.8y

65/100
clean up first

Refinance viable after a tidy-up — address the highlighted items first.

  • · Oldest live charge is 16.8 years old — likely at or near maturity.
  • · Single lender — cleanest path to refinance.
  • · Legal-friction score 25/100 — workable, but lender will want more DD.

Data confidence

Overall: high (80/100)

Strong data coverage across all sections. AI outputs should be trusted with minimal caveats.

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
4 officers (2 active, 4 linked, 4 with DOB)
90
Ownership & PSC
2 active PSC(s) of 4 total, 4 with control declared
90
Director network
1 connected companies via shared directors
48
Filing history
53 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
73/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
55
Some acquirability indicators.
Risk profile
77
Few red flags.
Signal strength
100
Good data coverage for analysis.

Key financials

2 years extracted from filed iXBRL accounts
Cash
Net Worth
Current Assets
Current Liabilities
£0£0£0£0£0£0Jun 2024Jun 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-06-302024-06-30
Average employees29002400

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

🔒Filing-note intelligence

1 signal 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
1
filing
  • 1 accounts
Last 90 days
1
filing
  • 1 accounts
Last 180 days
3
filings
  • 1 accounts
  • 1 incorporation
  • 1 resolution
Counts from Companies House filing history.
Corporate timeline (26 events)Click to expand
  1. 2026-03-31
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2025-12-03
    📄
    memorandum-articles
    incorporation · MA
  3. 2025-12-03
    📄
    resolution
    resolution · RESOLUTIONS
  4. 2025-08-28
    📄
    resolution
    resolution · RESOLUTIONS
  5. 2025-08-26
    📄
    capital-variation-of-rights-attached-to-shares
    capital · SH10
  6. 2025-08-26
    📄
    capital-name-of-class-of-shares
    capital · SH08
  7. 2025-08-25
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  8. 2025-08-25
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  9. 2025-08-25
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  10. 2025-08-25
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  11. 2025-06-03
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  12. 2025-06-03
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  13. 2025-05-29
    MACDONALD, Angus resigned
    director
  14. 2025-05-29
    MACDONALD, Ruth resigned
    director
  15. 2025-03-28
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  16. 2024-03-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  17. 2023-03-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  18. 2023-03-27
    📄
    capital-name-of-class-of-shares
    capital · SH08
  19. 2022-03-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  20. 2021-04-08
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  21. 2019-01-25
    MACDONALD, Andrew Martin appointed
    director
  22. 2012-03-30
    MACDONALD, Graeme appointed
    director
  23. 2009-07-24
    🔒
    Charge registered #1
    Lender: Royal Bank of Scotland PLC
  24. 2009-06-05
    🏢
    Company incorporated
    As NORTHERN SECURITY ALARMS LIMITED
  25. 2009-06-05
    MACDONALD, Angus appointed
    director
  26. 2009-06-05
    MACDONALD, Ruth appointed
    director

Owner dependency

66/100
High — earn-out structure required

Material founder dependency. Consider a 2-3 year earn-out and build in a handover plan before completion.

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

Succession & seller-readiness

59/100
Strong succession signal

Multiple signals suggest succession is on the horizon. Candidate for proactive outreach.

SIGNALS
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • secondary12+ year tenure: Director in role 14 years.
  • secondaryStable-but-static management: Company is 17 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

1 med ·
2 director resignations in last 12 months
medium

Multiple recent departures can indicate governance disagreement, succession event, or preparation for sale/stress.

Evidence: MACDONALD, Angus resigned 2025-05-29; MACDONALD, Ruth resigned 2025-05-29

Shareholders & ownership

2 active beneficial owners
NameSharesVoting rightsNature of controlNotified
Mr Graeme Norman Macdonald
Individual · British · DOB 11/1985 · age 41
2550%
25–50%25-50% shares · 25-50% voting22/08/2025
Mr Andrew Martin Macdonald
Individual · British · DOB 08/1987 · age 39
2550%
25–50%25-50% shares · 25-50% voting22/08/2025
2 historic (ceased) PSCs
  • Mrs Ruth Macdonaldceased 22/08/2025· 25-50% shares
  • Mr Angus Macdonaldceased 22/08/2025· 25-50% shares

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

6 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
Incorporated2009-06-05
Jurisdictionscotland
Primary SIC80200 — Security systems service activities

Registered office

15 Henderson Drive
Longman Industrial Estate
Inverness
Highlands
IV1 1TR

Filing status

Accounts
Next due: 2027-03-31
Last made up to: 2025-06-30
Confirmation statement
Next due: 2026-10-15
Last: 2025-10-01

Officers (2 active · 2 resigned)

MACDONALD, Andrew Martin
director · ~39y · appointed 2019-01-25
View their other companies + combined net worth →
Active
MACDONALD, Graeme
director · ~41y · appointed 2012-03-30
View their other companies + combined net worth →
Active
MACDONALD, Angus
director · ~75y · appointed 2009-06-05 · resigned 2025-05-29
Resigned
MACDONALD, Ruth
director · ~68y · appointed 2009-06-05 · resigned 2025-05-29
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
Royal Bank of Scotland PLC
Floating charge1 property24/07/2009
Click column headers to sort. Use filters above to narrow by status and lender.

Recent filings (53 total)

accounts-with-accounts-type-total-exemption-full
accounts · AA
2026-03-31
memorandum-articles
incorporation · MA
2025-12-03
resolution
resolution · RESOLUTIONS
2025-12-03
confirmation-statement-with-updates
confirmation-statement · CS01
2025-10-01
resolution
resolution · RESOLUTIONS
2025-08-28
capital-variation-of-rights-attached-to-shares
capital · SH10
2025-08-26
capital-name-of-class-of-shares
capital · SH08
2025-08-26
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2025-08-25
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2025-08-25
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2025-08-25
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2025-08-25
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-07-07
termination-director-company-with-name-termination-date
officers · TM01
2025-06-03
termination-director-company-with-name-termination-date
officers · TM01
2025-06-03
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-03-28