AMETHYST MARINE LIMITED

💤Zombieactive
04157285 · ltd · incorporated 2001-02-09
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.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Mar 2025
Net worth
£-1.1k
book net assets
Opportunity
80/100
Exceptional
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What this business does
Primary activity: Management consultancy activities other than financial management
Sector: Professional, scientific & technical
ALSO REGISTERED FOR
  • 74909Other professional, scientific and technical activities n.e.c.
Investor take
Pass (distressed without resilience)
Distressed active trading company — structural issues outweigh the discount.

Opportunity 80/100 (exceptional), bankability 75/100. Strong seller-intent signal (83/100, director aged 73). 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 (73/100).

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, 2 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 1 total, 1 with control declared
90
Director network
Network not yet resolved
30
Filing history
80 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 · FRS 102
Negative net assets
Liabilities exceed assets by £1,109
Net assets shrinking
Down £16,179 YoY

Key financials

2 years extracted from filed iXBRL accounts
Cash
£5k
Net Worth
-£1k
↓ 107% YoY
Current Assets
£5k
↓ 90% YoY
Current Liabilities
—
-£1k£10k£21k£32k£43k£54kMar 2024Mar 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-03-312024-03-31
Total assets£7.9k£28.2k
Current assets£5.5k£54.2k
Cash£5.5k—
Net assets£-1.1k£15.1k

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
0
filings
Last 90 days
1
filing
  • • 1 accounts
Last 180 days
5
filings
  • • 2 officers
  • • 1 accounts
  • • 1 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (25 events)Click to expand
  1. 2026-05-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2026-03-26
    📄
    change-person-director-company-with-change-date
    officers · CH01
  3. 2026-03-11
    📄
    termination-secretary-company-with-name-termination-date
    officers · TM02
  4. 2026-03-11
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  5. 2026-03-04
    ➖
    GIBBONS, Peter James resigned
    secretary
  6. 2024-12-29
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  7. 2024-02-29
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  8. 2023-12-22
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  9. 2022-10-16
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  10. 2021-09-09
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  11. 2020-11-30
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  12. 2020-11-17
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  13. 2019-12-30
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  14. 2018-10-28
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  15. 2017-12-27
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  16. 2017-10-06
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  17. 2006-11-01
    ➕
    GIBBONS, Peter James appointed
    secretary
  18. 2006-10-31
    ➖
    BACON, Sheila resigned
    secretary
  19. 2001-02-09
    🏢
    Company incorporated
    As AMETHYST MARINE LIMITED
  20. 2001-02-09
    ➕
    COTGROVE, Paul Stephen appointed
    director
  21. 2001-02-09
    ➕
    BACON, Sheila appointed
    secretary
  22. 2001-02-09
    ➕
    NORTH WEST REGISTRATION SERVICES (1994) LIMITED appointed
    corporate-nominee-secretary
  23. 2001-02-09
    ➖
    NORTH WEST REGISTRATION SERVICES (1994) LIMITED resigned
    corporate-nominee-secretary
  24. 2001-02-09
    ➕
    AVIS, Christine Susan appointed
    nominee-director
  25. 2001-02-09
    ➖
    AVIS, Christine Susan resigned
    nominee-director

Owner dependency

100/100
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
  • +Sole director: Only one active director — all governance concentrated on one person.
  • +Long-tenure founder: Senior director has been in place 25 years — deep operational knowledge concentrated in one person.
  • +Founder age: Director aged approximately 73 — succession pressure is live.

Succession & seller-readiness

100/100
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 73 years old. Natural succession window is now.
  • primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.
  • primary20+ year tenure: Director in role 25 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 25 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

1 active beneficial owner
NameSharesVoting rightsNature of controlNotified
Capt Paul Stephen Cotgrove
Individual · British · DOB 10/1953 · age 73
50–75%
—50-75% shares06/04/2016

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

8 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
Incorporated2001-02-09
Jurisdictionengland-wales
Primary SIC70229 — Management consultancy activities other than financial management

Registered office

Sailors Delight
11 Market Street
Watchet
Somerset
TA23 0AN
England

Filing status

Accounts
Next due: 2026-12-31
Last made up to: 2025-03-31
Confirmation statement
Next due: 2027-02-23
Last: 2026-02-09

Officers (1 active · 4 resigned)

COTGROVE, Paul Stephen→
director · ~73y · appointed 2001-02-09
View their other companies + combined net worth →
Active
BACON, Sheila→
secretary · appointed 2001-02-09 · resigned 2006-10-31
Resigned
GIBBONS, Peter James→
secretary · appointed 2006-11-01 · resigned 2026-03-04
Resigned
NORTH WEST REGISTRATION SERVICES (1994) LIMITED→
corporate-nominee-secretary · appointed 2001-02-09 · resigned 2001-02-09
Resigned
AVIS, Christine Susan→
nominee-director · ~62y · appointed 2001-02-09 · resigned 2001-02-09
Resigned

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

Recent filings (80 total)

accounts-with-accounts-type-total-exemption-full
accounts · AA
2026-05-26
change-person-director-company-with-change-date
officers · CH01
2026-03-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-03-11
termination-secretary-company-with-name-termination-date
officers · TM02
2026-03-11
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2026-03-11
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-02-24
accounts-with-accounts-type-micro-entity
accounts · AA
2024-12-29
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-02-29
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2024-02-29
accounts-with-accounts-type-micro-entity
accounts · AA
2023-12-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-02-10
accounts-with-accounts-type-micro-entity
accounts · AA
2022-10-16
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-03-02
accounts-with-accounts-type-micro-entity
accounts · AA
2021-09-09
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-03-29