10 CASTELNAU MANAGEMENT LIMITED

🌳Matureactive
01688205 · private-limited-guarant-nsc · incorporated 1982-12-21
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.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Mar 2025
Net worth
£10.7k
book net assets
Opportunity
79/100
Strong
🔔
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What this business does
Primary activity: Residents property management
Sector: Activities of households
Investor take
Pursue
Asset-holding vehicle with a 82-year-old founder — textbook succession opportunity.

Opportunity 79/100 (strong), bankability 75/100. Strong seller-intent signal (68/100, director aged 82). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

Data confidence

Overall: medium (71/100)

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
12 officers (3 active, 12 linked, 9 with DOB)
85
Ownership & PSC
No PSCs filed (unusual — worth investigating)
35
Director network
2 connected companies via shared directors
51
Filing history
103 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
🔒Estimated company valuation

Sector-multiple EBITDA, turnover, and NAV-proxy valuation range with confidence tier — derived from extracted iXBRL financials.

Available from the Pro tier upwards.

See pricing →
Opportunity Score
79/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
75
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 £10,736
Net assets shrinking
Down £1,501 YoY

Key financials

2 years extracted from filed iXBRL accounts
Cash
—
Net Worth
£11k
↓ 12% YoY
Current Assets
£11k
↓ 17% YoY
Current Liabilities
—
£0£3k£5k£8k£11k£13kMar 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
Total assets£10.7k£12.2k
Current assets£11.2k£13.4k
Net assets£10.7k£12.2k

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

Recent activity

Last 30 days
0
filings
Last 90 days
0
filings
Last 180 days
1
filing
  • • 1 accounts
Counts from Companies House filing history.
Corporate timeline (35 events)Click to expand
  1. 2025-12-22
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  2. 2024-12-30
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  3. 2024-01-01
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  4. 2022-12-19
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  5. 2022-07-30
    ➕
    LONG, Margaret appointed
    director
  6. 2022-07-30
    ➖
    BOND, Samantha resigned
    director
  7. 2022-07-30
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  8. 2022-07-30
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  9. 2021-12-05
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  10. 2021-03-07
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  11. 2019-12-27
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  12. 2018-12-31
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  13. 2017-12-21
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  14. 2016-12-07
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  15. 2016-05-18
    📄
    annual-return-company-with-made-up-date-no-member-list
    annual-return · AR01
  16. 2015-12-06
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  17. 2015-05-14
    📄
    annual-return-company-with-made-up-date-no-member-list
    annual-return · AR01
  18. 2014-11-18
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  19. 2012-10-05
    ➕
    GATTINARA, Elena Chiara Maria appointed
    director
  20. 2012-10-05
    ➖
    ADAM, Phyllis resigned
    director
  21. 2012-06-12
    ➕
    ADAM, Phyllis appointed
    director
  22. 2012-06-12
    ➖
    SISSON, Arthur Alexander resigned
    director
  23. 2010-09-30
    ➖
    SISSON, Arthur Alexander resigned
    secretary
  24. 2008-04-01
    ➕
    ADAM, Phyllis Amanda appointed
    secretary
  25. 2004-04-01
    ➖
    HOLMES, Graham resigned
    secretary
  26. 2003-07-30
    ➕
    BOND, Samantha appointed
    director
  27. 2003-07-29
    ➖
    HARDY, James Edward Alexander resigned
    director
  28. 1999-05-25
    ➖
    BOND, Samantha resigned
    director
  29. 1999-05-25
    ➕
    HARDY, James Edward Alexander appointed
    director
  30. 1997-06-30
    ➕
    HOLMES, Graham appointed
    secretary
  31. 1997-06-30
    ➕
    BOND, Samantha appointed
    director
  32. 1997-06-30
    ➖
    HARDY, James Edward Alexander resigned
    director
  33. 1995-12-19
    ➕
    HARDY, James Edward Alexander appointed
    director
  34. 1995-12-18
    ➖
    KIRSTEN, Wing resigned
    director
  35. 1982-12-21
    🏢
    Company incorporated
    As 10 CASTELNAU MANAGEMENT LIMITED

Owner dependency

73/100
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.
  • +Founder age: Director aged approximately 82 — succession pressure is live.

Succession & seller-readiness

89/100
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 82 years old. Natural succession window is now.
  • 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 43 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.)
🔒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
Typeprivate-limited-guarant-nsc
Incorporated1982-12-21
Jurisdictionengland-wales
Primary SIC98000 — Residents property management

Registered office

10 Castelnau
Barnes
London
SW13 9RU

Filing status

Accounts
Next due: 2026-12-31
Last made up to: 2025-03-31
Confirmation statement
Next due: 2026-05-28
Last: 2025-05-14

Officers (3 active · 9 resigned)

ADAM, Phyllis Amanda→
secretary · appointed 2008-04-01
View their other companies + combined net worth →
Active
GATTINARA, Elena Chiara Maria→
director · ~62y · appointed 2012-10-05
View their other companies + combined net worth →
Active
LONG, Margaret→
director · ~82y · appointed 2022-07-30
View their other companies + combined net worth →
Active
HOLMES, Graham→
secretary · appointed 1997-06-30 · resigned 2004-04-01
Resigned
SISSON, Arthur Alexander→
secretary · resigned 2010-09-30
Resigned
ADAM, Phyllis→
director · ~59y · appointed 2012-06-12 · resigned 2012-10-05
Resigned
BOND, Samantha→
director · ~82y · appointed 2003-07-30 · resigned 2022-07-30
Resigned
BOND, Samantha→
director · ~82y · appointed 1997-06-30 · resigned 1999-05-25
Resigned
HARDY, James Edward Alexander→
director · ~58y · appointed 1999-05-25 · resigned 2003-07-29
Resigned
HARDY, James Edward Alexander→
director · ~58y · appointed 1995-12-19 · resigned 1997-06-30
Resigned
KIRSTEN, Wing→
director · ~76y · resigned 1995-12-18
Resigned
SISSON, Arthur Alexander→
director · ~102y · resigned 2012-06-12
Resigned

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

Recent filings (103 total)

accounts-with-accounts-type-micro-entity
accounts · AA
2025-12-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-05-27
accounts-with-accounts-type-micro-entity
accounts · AA
2024-12-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-05-26
accounts-with-accounts-type-micro-entity
accounts · AA
2024-01-01
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-05-18
accounts-with-accounts-type-micro-entity
accounts · AA
2022-12-19
termination-director-company-with-name-termination-date
officers · TM01
2022-07-30
appoint-person-director-company-with-name-date
officers · AP01
2022-07-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-05-18
accounts-with-accounts-type-micro-entity
accounts · AA
2021-12-05
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-05-19
accounts-with-accounts-type-micro-entity
accounts · AA
2021-03-07
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-05-20
accounts-with-accounts-type-total-exemption-full
accounts · AA
2019-12-27