A.J. MARTIN VENTILATION SERVICES LIMITED

💤Zombieactive
03991894 · ltd · incorporated 2000-05-12
Investment thesis
Zombie company — trading but stalled; unlikely mover.
Why interesting: Quiet, steady; could be a succession or carve-out candidate with the right conversation.
Why risky: No growth signal; thin margin for error on price.
Why now
Window opening · high confidence
More negotiable than before — 3 signals weakening over the last 30 days.
  • · Deal-killer verdict: workable → complicated
  • · Opportunity score: 79 → 70
  • · Hygiene score: 90 → 85
  • · PSC count: 2 → 3
What changed my view
Last 30 days

Picture worsened over the last 30 days — 3 negative signals vs 1 positive.

  • Deal-killer verdict: workablecomplicated
  • Opportunity score: 7970
  • Hygiene score: 9085
  • PSC count: 23
Last 90 days

No snapshot from 90 days ago — start tracking from today.

Last 180 days

No snapshot from 180 days ago — start tracking from today.

🔒Estimated value
Upgrade to see
Turnover
year to Mar 2025
Net worth
book net assets
Opportunity
70/100
Strong
🔔
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What this business does
Primary activity: SIC 33200
Sector: Manufacturing
Investor take
Pursue
Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 70/100 (strong), bankability 75/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Biggest value-creation lever: Broaden director team. Sole director creates succession risk and reduces buyer comfort. Appoint a second director or strong #2. Most likely exit: share sale to pe / searcher (58/100).

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
Confirmed no charges registered
85
Directors & officers
5 officers (1 active, 5 linked, 2 with DOB)
78
Ownership & PSC
1 active PSC(s) of 3 total, 3 with control declared
90
Director network
5 connected companies via shared directors
60
Filing history
70 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
70/100Strong
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
74
Few red flags.
Signal strength
90
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£0Mar 2024Mar 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2025-03-312024-03-31
Average employees11001300

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
7
filings
  • 3 officers
  • 3 persons-with-significant-control
  • 1 address
Last 90 days
7
filings
  • 3 officers
  • 3 persons-with-significant-control
  • 1 address
Last 180 days
7
filings
  • 3 officers
  • 3 persons-with-significant-control
  • 1 address
Counts from Companies House filing history.
Corporate timeline (28 events)Click to expand
  1. 2026-07-15
    📄
    termination-secretary-company-with-name-termination-date
    officers · TM02
  2. 2026-07-15
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC02
  3. 2026-07-15
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  4. 2026-07-15
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  5. 2026-07-15
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  6. 2026-07-15
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  7. 2026-07-13
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  8. 2026-07-06
    JENKINS, William Jon appointed
    director
  9. 2026-07-06
    MARTIN, Hayley June resigned
    secretary
  10. 2026-07-06
    MARTIN, Anthony John resigned
    director
  11. 2025-12-18
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  12. 2025-03-25
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  13. 2024-12-13
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  14. 2024-11-27
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  15. 2023-12-31
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  16. 2022-11-14
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  17. 2022-11-14
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  18. 2022-11-14
    📄
    capital-allotment-shares
    capital · SH01
  19. 2022-11-03
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  20. 2021-08-16
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  21. 2020-07-20
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  22. 2000-05-12
    🏢
    Company incorporated
    As A.J. MARTIN VENTILATION SERVICES LIMITED
  23. 2000-05-12
    MARTIN, Hayley June appointed
    secretary
  24. 2000-05-12
    CHALFEN SECRETARIES LIMITED appointed
    corporate-nominee-secretary
  25. 2000-05-12
    CHALFEN SECRETARIES LIMITED resigned
    corporate-nominee-secretary
  26. 2000-05-12
    MARTIN, Anthony John appointed
    director
  27. 2000-05-12
    CHALFEN NOMINEES LIMITED appointed
    corporate-nominee-director
  28. 2000-05-12
    CHALFEN NOMINEES LIMITED resigned
    corporate-nominee-director

Owner dependency

75/100
High — earn-out structure required

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

FACTORS
  • +Sole director: Only one active director — all governance concentrated on one person.

Succession & seller-readiness

45/100
Moderate signal

Some succession indicators present. Worth watching; approach if sector/strategy fits.

SIGNALS
  • primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.

Red flags

1 med · 1 low
2 director resignations in last 12 months
medium

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

Evidence: MARTIN, Hayley June resigned 2026-07-06; MARTIN, Anthony John resigned 2026-07-06

Multiple registered office changes
low

Multiple address changes in a short period can indicate operational instability or admin disorder.

Group structure

Awj Limited is the ultimate parent — holding 75%+ shares. This company sits inside their group.

🏛️
Awj Limited
Corporate parent · holds 75-100% shares
ultimate parent
A.J. MARTIN VENTILATION SERVICES LIMITED
This company · 03991894

Parent relationships inferred from Persons with Significant Control filings. Full subsidiary tree requires reverse-lookup (coming).

Shareholders & ownership

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Awj Limited
Corporate entity
75100%
75-100% shares06/07/2026
2 historic (ceased) PSCs
  • Mrs Hayley June Martinceased 06/07/2026· 25-50% shares · 25-50% voting
  • Mr Anthony John Martinceased 06/07/2026· 25-50% shares · 25-50% voting

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
Incorporated2000-05-12
Jurisdictionengland-wales
Primary SIC33200 — SIC 33200

Registered office

4 Dunworth Mews
London
W11 1LE
England

Filing status

Accounts
Next due: 2026-12-31
Last made up to: 2025-03-31
Confirmation statement
Next due: 2026-11-28
Last: 2025-11-14

Officers (1 active · 4 resigned)

JENKINS, William Jon
director · ~41y · appointed 2026-07-06
View their other companies + combined net worth →
Active
MARTIN, Hayley June
secretary · appointed 2000-05-12 · resigned 2026-07-06
Resigned
CHALFEN SECRETARIES LIMITED
corporate-nominee-secretary · appointed 2000-05-12 · resigned 2000-05-12
Resigned
MARTIN, Anthony John
director · ~61y · appointed 2000-05-12 · resigned 2026-07-06
Resigned
CHALFEN NOMINEES LIMITED
corporate-nominee-director · appointed 2000-05-12 · resigned 2000-05-12
Resigned

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

Recent filings (70 total)

termination-secretary-company-with-name-termination-date
officers · TM02
2026-07-15
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC02
2026-07-15
termination-director-company-with-name-termination-date
officers · TM01
2026-07-15
appoint-person-director-company-with-name-date
officers · AP01
2026-07-15
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2026-07-15
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2026-07-15
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2026-07-13
confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-01-08
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-12-18
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2025-03-25
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-12-13
confirmation-statement-with-updates
confirmation-statement · CS01
2024-11-27
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2024-11-27
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2023-12-31
confirmation-statement-with-updates
confirmation-statement · CS01
2023-11-21