CASTELL CYF

💤Zombieactive
03405703 · ltd · incorporated 1997-07-18
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 2024
Net worth
£21.4k
book net assets
Opportunity
74/100
Strong
🔔
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What this business does
Primary activity: Financial intermediation not elsewhere classified
Sector: Financial & insurance
Investor take
Pursue
Strong opportunity: asset-holding vehicle with strong profile and bankable structure.

Opportunity 74/100 (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: strategic trade sale (65/100).

Data confidence

Overall: medium (74/100)

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
1 year of iXBRL accounts extracted (no YoY comparison) + narrative notes parsed
50
Lenders & charges
Confirmed no charges registered
85
Directors & officers
11 officers (1 active, 11 linked, 8 with DOB)
85
Ownership & PSC
1 active PSC(s) of 5 total, 5 with control declared
90
Director network
10 connected companies via shared directors
75
Filing history
116 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
74/100Strong
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
85
Few red flags.
Signal strength
90
Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · FRS 105 (micro)
Positive net assets
Net assets £21,396

Key financials

1 year extracted from filed iXBRL accounts
Cash
—
Net Worth
£21k
Current Assets
£127k
Current Liabilities
—

Financials

Extracted from Companies House accounts · FRS 105 (micro)
Metric2024-03-31
Total assets£56.7k
Current assets£127.1k
Net assets£21.4k

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
2
filings
  • • 1 confirmation-statement
  • • 1 officers
Last 180 days
3
filings
  • • 1 confirmation-statement
  • • 1 officers
  • • 1 accounts
Counts from Companies House filing history.
Corporate timeline (39 events)Click to expand
  1. 2026-05-15
    📄
    change-person-director-company-with-change-date
    officers · CH01
  2. 2026-03-25
    📄
    change-account-reference-date-company-previous-extended
    accounts · AA01
  3. 2025-06-10
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  4. 2025-06-10
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC02
  5. 2025-04-01
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  6. 2024-09-14
    📄
    gazette-filings-brought-up-to-date
    gazette · DISS40
  7. 2024-08-13
    📄
    gazette-notice-compulsory
    gazette · GAZ1
  8. 2024-04-02
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  9. 2023-04-03
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  10. 2022-10-05
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  11. 2022-10-05
    📄
    change-person-director-company-with-change-date
    officers · CH01
  12. 2022-10-05
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  13. 2022-04-04
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  14. 2021-12-08
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  15. 2021-04-01
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  16. 2020-04-01
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  17. 2020-03-31
    ➖
    EVANS, Carwyn resigned
    director
  18. 2020-03-09
    📄
    legacy
    miscellaneous · RP04CS01
  19. 2019-11-17
    ➕
    STRUDWICK, Henry Giles appointed
    director
  20. 2019-08-19
    ➖
    JONES, Mark Wyn resigned
    director
  21. 2016-04-29
    ➖
    JONES, Owen John resigned
    secretary
  22. 2016-04-29
    ➖
    JONES, Owen John resigned
    director
  23. 2012-02-23
    ➕
    EVANS, Carwyn appointed
    director
  24. 2008-03-12
    ➖
    GRIFFITHS, Emlyn resigned
    director
  25. 2008-03-12
    ➖
    HORWOOD, Philip Osborne resigned
    director
  26. 2008-03-12
    ➖
    WILLIAMS, David Llewelyn resigned
    director
  27. 2008-03-12
    ➖
    WILLIAMS, Sian Margaret resigned
    director
  28. 2000-05-25
    ➕
    JONES, Mark Wyn appointed
    director
  29. 1997-07-18
    🏢
    Company incorporated
    As CASTELL CYF
  30. 1997-07-18
    ➕
    JONES, Owen John appointed
    secretary
  31. 1997-07-18
    ➕
    WATERLOW SECRETARIES LIMITED appointed
    corporate-nominee-secretary
  32. 1997-07-18
    ➖
    WATERLOW SECRETARIES LIMITED resigned
    corporate-nominee-secretary
  33. 1997-07-18
    ➕
    GRIFFITHS, Emlyn appointed
    director
  34. 1997-07-18
    ➕
    HORWOOD, Philip Osborne appointed
    director
  35. 1997-07-18
    ➕
    JONES, Owen John appointed
    director
  36. 1997-07-18
    ➕
    WILLIAMS, David Llewelyn appointed
    director
  37. 1997-07-18
    ➕
    WILLIAMS, Sian Margaret appointed
    director
  38. 1997-07-18
    ➕
    WATERLOW NOMINEES LIMITED appointed
    corporate-nominee-director
  39. 1997-07-18
    ➖
    WATERLOW 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

55/100
Strong succession signal

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

SIGNALS
  • primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.
  • secondaryStable-but-static management: Company is 29 years old and no new directors in the last 3 years — succession not yet being planned internally.

Red flags

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

Group structure

Acp (No 5) Ltd is the ultimate parent — holding 75%+ shares. This company sits inside their group.

🏛️
Acp (No 5) Ltd
Corporate parent · holds 75-100% shares · board control
ultimate parent
⬇
CASTELL CYF
This company · 03405703

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
Acp (No 5) Ltd
Corporate entity
75–100%
75–100%board control75-100% shares · 75-100% voting · board control19/08/2019
4 historic (ceased) PSCs
  • Mr Henry Giles Strudwickceased 19/08/2019· 75-100% shares · 75-100% voting · board control
  • Mr Mark Wyn Jonesceased 19/08/2019· 25-50% shares · 25-50% voting
  • Mr Carwyn Evansceased 19/08/2019· 25-50% shares · 25-50% voting
  • Mr Owen John Jonesceased 19/08/2019· 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
Incorporated1997-07-18
Jurisdictionwales
Primary SIC64999 — Financial intermediation not elsewhere classified

Registered office

Regus House Falcon Drive
Cardiff Bay
Cardiff
CF10 4RU
Wales

Filing status

Accounts
Next due: 2026-09-30
Last made up to: 2024-03-31
Confirmation statement
Next due: 2027-06-02
Last: 2026-05-19

Officers (1 active · 10 resigned)

STRUDWICK, Henry Giles→
director · ~54y · appointed 2019-11-17
View their other companies + combined net worth →
Active
JONES, Owen John→
secretary · appointed 1997-07-18 · resigned 2016-04-29
Resigned
WATERLOW SECRETARIES LIMITED→
corporate-nominee-secretary · appointed 1997-07-18 · resigned 1997-07-18
Resigned
EVANS, Carwyn→
director · ~48y · appointed 2012-02-23 · resigned 2020-03-31
Resigned
GRIFFITHS, Emlyn→
director · ~84y · appointed 1997-07-18 · resigned 2008-03-12
Resigned
HORWOOD, Philip Osborne→
director · ~78y · appointed 1997-07-18 · resigned 2008-03-12
Resigned
JONES, Mark Wyn→
director · ~64y · appointed 2000-05-25 · resigned 2019-08-19
Resigned
JONES, Owen John→
director · ~79y · appointed 1997-07-18 · resigned 2016-04-29
Resigned
WILLIAMS, David Llewelyn→
director · ~70y · appointed 1997-07-18 · resigned 2008-03-12
Resigned
WILLIAMS, Sian Margaret→
director · ~71y · appointed 1997-07-18 · resigned 2008-03-12
Resigned
WATERLOW NOMINEES LIMITED→
corporate-nominee-director · appointed 1997-07-18 · resigned 1997-07-18
Resigned

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

Recent filings (116 total)

confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-05-20
change-person-director-company-with-change-date
officers · CH01
2026-05-15
change-account-reference-date-company-previous-extended
accounts · AA01
2026-03-25
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-10-22
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2025-06-10
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC02
2025-06-10
accounts-with-accounts-type-micro-entity
accounts · AA
2025-04-01
confirmation-statement-with-updates
confirmation-statement · CS01
2024-10-12
gazette-filings-brought-up-to-date
gazette · DISS40
2024-09-14
confirmation-statement-with-updates
confirmation-statement · CS01
2024-09-12
gazette-notice-compulsory
gazette · GAZ1
2024-08-13
accounts-with-accounts-type-micro-entity
accounts · AA
2024-04-02
accounts-with-accounts-type-micro-entity
accounts · AA
2023-04-03
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-01-30
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2022-10-05