CASTLE TECHNOLOGIES (STRANRAER) LIMITED

🌳Matureactive
SC377099 · ltd · incorporated 2010-04-19
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.
Opportunity decay
approaching window · 12-months
Approaching a transaction window — refinance or sale event plausible in the next 12 months.
  • · Oldest live charge 12.2y old — refinance window within 12 months
🔒Estimated value
Upgrade to see
Turnover
year to Apr 2025
Net worth
book net assets
Opportunity
82/100
Exceptional
🔔
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What this business does
Primary activity: SIC 26301
Sector: Manufacturing
Investor take
Pursue
Strong opportunity: active trading company with exceptional profile and bankable structure.

Opportunity 82/100 (exceptional), bankability 80/100. Strong seller-intent signal (70/100, director aged 58). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

🏦

Refinance opportunity

1 live charge · oldest 12.2y

85/100
ready

Refinance conversation should be productive — structure clean and timing right.

  • · Oldest live charge is 12.2 years old — likely at or near maturity.
  • · Single lender — cleanest path to refinance.
  • · Legal-friction score 15/100 — clean.

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
1 charges (1/1 with lender, 1/1 with type)
90
Directors & officers
3 officers (3 active, 3 linked, 2 with DOB)
83
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
1 connected companies via shared directors
48
Filing history
39 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
82/100Exceptional
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
100
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£0Apr 2024Apr 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-04-302024-04-30
Average employees121300

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
1
filing
  • 1 confirmation-statement
Last 90 days
1
filing
  • 1 confirmation-statement
Last 180 days
1
filing
  • 1 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (20 events)Click to expand
  1. 2025-10-22
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2024-10-15
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  3. 2023-09-06
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  4. 2022-07-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  5. 2021-09-14
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  6. 2020-09-18
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  7. 2019-09-09
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  8. 2018-11-02
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  9. 2018-01-19
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  10. 2016-11-04
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  11. 2016-04-19
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  12. 2016-02-12
    📄
    change-person-director-company-with-change-date
    officers · CH01
  13. 2016-02-12
    📄
    change-person-director-company-with-change-date
    officers · CH01
  14. 2016-02-12
    📄
    change-person-secretary-company-with-change-date
    officers · CH03
  15. 2015-08-19
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  16. 2014-02-25
    🔒
    Charge registered #1
    Lender: Aldermore Bank PLC
  17. 2010-04-19
    🏢
    Company incorporated
    As CASTLE TECHNOLOGIES (STRANRAER) LIMITED
  18. 2010-04-19
    LONSDALE, Corinne appointed
    secretary
  19. 2010-04-19
    LONSDALE, Alexander appointed
    director
  20. 2010-04-19
    LONSDALE, Corinne appointed
    director

Owner dependency

84/100
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 16 years — deep operational knowledge concentrated in one person.
  • +Senior director age: Director aged approximately 58 — approaching natural succession window.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

69/100
Strong succession signal

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

SIGNALS
  • secondaryFounder aged 58+: Senior director is approximately 58. Early succession window.
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • secondary12+ year tenure: Director in role 16 years.
  • secondaryStable-but-static management: Company is 16 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 Alexander Lonsdale
Individual · British · DOB 09/1968 · age 58
2550%
25–50%25-50% shares · 25-50% voting30/06/2016
Mrs Corinne Lonsdale
Individual · British · DOB 06/1970 · age 56
2550%
25–50%25-50% shares · 25-50% voting30/06/2016

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

6 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
Incorporated2010-04-19
Jurisdictionscotland
Primary SIC26301 — SIC 26301

Registered office

Oakfield
Dunragit
Stranraer
Wigtownshire
DG9 8PG

Filing status

Accounts
Next due: 2027-01-31
Last made up to: 2025-04-30
Confirmation statement
Next due: 2027-05-03
Last: 2026-04-19

Officers (3 active · 0 resigned)

LONSDALE, Corinne
secretary · appointed 2010-04-19
View their other companies + combined net worth →
Active
LONSDALE, Alexander
director · ~58y · appointed 2010-04-19
View their other companies + combined net worth →
Active
LONSDALE, Corinne
director · ~56y · appointed 2010-04-19
View their other companies + combined net worth →
Active

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

Mortgages & charges

1
Total charges
1
Outstanding
1
Active lenders
Status:Lender:1 of 1 shown
TypeProperties
outstanding
Aldermore
Aldermore Bank PLC
A registered charge1 property25/02/2014
Click column headers to sort. Use filters above to narrow by status and lender.

Recent filings (39 total)

confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-04-20
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-10-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-04-22
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-10-15
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-04-19
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-09-06
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-04-19
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-07-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-04-27
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-09-14
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-04-19
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-09-18
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-04-22
accounts-with-accounts-type-total-exemption-full
accounts · AA
2019-09-09
confirmation-statement-with-no-updates
confirmation-statement · CS01
2019-04-29