ADVANCED DETECTION SYSTEMS LIMITED

🌳Matureactive
04789786 · ltd · incorporated 2003-06-06
Investment thesis
Well-run mature business — low negotiation leverage; premium likely.
Why interesting: Textbook target; clean filings, stable trading.
Why risky: No pressure on seller; any deal likely at full price.
Opportunity decay
hardening · 12-months
Already tight — no obvious softening catalysts on the horizon.
  • · Thesis: well-run, low negotiation leverage
🔒Estimated value
Upgrade to see
Turnover
year to Jul 2025
Net worth
£1.17M
book net assets
Opportunity
80/100
Exceptional
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What this business does
Primary activity: Security systems service activities
Sector: Administrative & support services
Investor take
Pursue
Asset-holding vehicle. Family succession underway — not a classic acquisition target.

Opportunity 80/100 (exceptional), bankability 75/100. Same-surname younger director in place — likely family handover, not open to sale. Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

Data confidence

Overall: medium (76/100)

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
Confirmed no charges registered
85
Directors & officers
5 officers (3 active, 5 linked, 2 with DOB)
78
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
Network not yet resolved
30
Filing history
58 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
80/100Exceptional
PassWatchWorth a lookStrongExceptional 

Strong composite across quality, acquirability, and risk. High-priority target — progress to serious diligence.

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
80
Strong succession / seller-readiness signals.
Risk profile
85
Few red flags.
Signal strength
90
Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · accounting standard not declared
Positive net assets
Net assets £1,170,142

Key financials

2 years extracted from filed iXBRL accounts
Cash
Net Worth
£1.2m
↑ 1.5% YoY
Current Assets
£161k
↓ 1.6% YoY
Current Liabilities
£0£234k£468k£702k£936k£1.2mJul 2024Jul 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2025-07-312024-07-31
Total assets£1.18M£1.17M
Current assets£160.6k£163.1k
Net assets£1.17M£1.15M

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

Recent activity

Last 30 days
1
filing
  • 1 confirmation-statement
Last 90 days
1
filing
  • 1 confirmation-statement
Last 180 days
2
filings
  • 1 confirmation-statement
  • 1 persons-with-significant-control
Counts from Companies House filing history.
Corporate timeline (23 events)Click to expand
  1. 2026-02-23
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  2. 2025-12-17
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  3. 2025-06-11
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  4. 2024-12-28
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  5. 2024-04-02
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  6. 2023-06-13
    📄
    change-person-secretary-company-with-change-date
    officers · CH03
  7. 2023-06-13
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  8. 2023-06-12
    COLEMAN, Justin Lee appointed
    director
  9. 2023-04-14
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  10. 2022-02-01
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  11. 2021-03-23
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  12. 2020-03-03
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  13. 2018-12-19
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  14. 2018-01-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  15. 2017-02-20
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  16. 2016-06-23
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  17. 2003-06-06
    🏢
    Company incorporated
    As ADVANCED DETECTION SYSTEMS LIMITED
  18. 2003-06-06
    COLEMAN, Justin Lee appointed
    secretary
  19. 2003-06-06
    COLEMAN, John appointed
    director
  20. 2003-06-06
    TEMPLE SECRETARIES LIMITED appointed
    corporate-nominee-secretary
  21. 2003-06-06
    TEMPLE SECRETARIES LIMITED resigned
    corporate-nominee-secretary
  22. 2003-06-06
    COMPANY DIRECTORS LIMITED appointed
    corporate-nominee-director
  23. 2003-06-06
    COMPANY DIRECTORS LIMITED resigned
    corporate-nominee-director

Owner dependency

91/100
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.
  • +Long-tenure founder: Senior director has been in place 23 years — deep operational knowledge concentrated in one person.
  • +Founder age: Director aged approximately 71 — succession pressure is live.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

56/100
Strong succession signal

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

SIGNALS
  • primaryFamily succession underway: Not a takeover target — COLEMAN, Justin Lee (same surname) appointed 2023-06-12. Pattern consistent with intra-family handover.
  • primaryFounder aged 70+: Senior director is approximately 71 years old. Natural succession window is now.
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • primary20+ year tenure: Director in role 23 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 23 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 John Coleman
Individual · British · DOB 05/1955 · age 71
5075%
50-75% shares06/04/2016
Mr Justin Lee Coleman
Individual · British · DOB 03/1980 · age 46
2550%
25-50% shares10/04/2025

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

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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 →
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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.

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Company details

Statusactive
Typeltd
Incorporated2003-06-06
Jurisdictionengland-wales
Primary SIC80200 — Security systems service activities

Registered office

3 The Workshop Atherton Street
Springhead
Oldham
Lancashire
OL4 5TF

Filing status

Accounts
Next due: 2027-04-30
Last made up to: 2025-07-31
Confirmation statement
Next due: 2027-06-20
Last: 2026-06-06

Officers (3 active · 2 resigned)

COLEMAN, Justin Lee
secretary · appointed 2003-06-06
View their other companies + combined net worth →
Active
COLEMAN, John
director · ~71y · appointed 2003-06-06
View their other companies + combined net worth →
Active
COLEMAN, Justin Lee
director · ~46y · appointed 2023-06-12
View their other companies + combined net worth →
Active
TEMPLE SECRETARIES LIMITED
corporate-nominee-secretary · appointed 2003-06-06 · resigned 2003-06-06
Resigned
COMPANY DIRECTORS LIMITED
corporate-nominee-director · appointed 2003-06-06 · resigned 2003-06-06
Resigned

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

Recent filings (58 total)

confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-06-10
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2026-02-23
accounts-with-accounts-type-micro-entity
accounts · AA
2025-12-17
confirmation-statement-with-updates
confirmation-statement · CS01
2025-06-11
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2025-06-11
accounts-with-accounts-type-micro-entity
accounts · AA
2024-12-28
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-06-18
accounts-with-accounts-type-micro-entity
accounts · AA
2024-04-02
change-person-secretary-company-with-change-date
officers · CH03
2023-06-13
appoint-person-director-company-with-name-date
officers · AP01
2023-06-13
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-06-13
accounts-with-accounts-type-micro-entity
accounts · AA
2023-04-14
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-06-13
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2022-02-01
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-06-10