A & M J MASON & SON LIMITED

🌳Matureactive
06479303 · ltd · incorporated 2008-01-21
Investment thesis
Property vehicle with a workable charge structure — clean refinance potential.
Why interesting: Asset-backed; value largely in underlying property; lender engagement likely possible.
Why risky: Dependent on title and valuation due diligence; standard property risks.
Opportunity decay
approaching window · 12-months
Approaching a transaction window — refinance or sale event plausible in the next 12 months.
  • · Oldest live charge 18.3y old — refinance window within 12 months
🔒Estimated value
Upgrade to see
Turnover
year to Sept 2025
Net worth
book net assets
Opportunity
82/100
Exceptional
🔔
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What this business does
Primary activity: Development of building projects
Sector: Construction
Investor take
Pursue
Active trading company with a 73-year-old founder — textbook succession opportunity.

Opportunity 82/100 (exceptional), bankability 80/100. Strong seller-intent signal (63/100, director aged 73). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Discharge stale live charges. 1 live charge(s) created 15+ years ago — likely paid but undischarged. Clean register. Most likely exit: share sale to pe / searcher (65/100).

🏦

Refinance opportunity

1 live charge · oldest 18.3y

65/100
clean up first

Refinance viable after a tidy-up — address the highlighted items first.

  • · Oldest live charge is 18.3 years old — likely at or near maturity.
  • · Single lender — cleanest path to refinance.
  • · Legal-friction score 25/100 — workable, but lender will want more DD.

Data confidence

Overall: medium (77/100)

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
6 officers (4 active, 6 linked, 3 with DOB)
80
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
Network not yet resolved
30
Filing history
50 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£0Sept 2024Sept 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2025-09-302024-09-30
Average employees400400

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
2
filings
  • 1 accounts
  • 1 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (25 events)Click to expand
  1. 2026-06-10
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  2. 2025-04-22
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  3. 2024-06-25
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  4. 2023-06-13
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  5. 2022-07-22
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  6. 2021-06-29
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  7. 2020-06-16
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  8. 2019-06-28
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  9. 2018-07-25
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  10. 2017-06-22
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  11. 2016-08-01
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  12. 2016-02-29
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  13. 2015-02-26
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  14. 2015-02-09
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  15. 2014-04-28
    📄
    change-account-reference-date-company-current-extended
    accounts · AA01
  16. 2008-03-24
    🔒
    Charge registered #1
    Lender: Clydesdale Bank PLC
  17. 2008-02-04
    MASON, Margaret Joyce appointed
    secretary
  18. 2008-02-04
    MASON, Alan appointed
    director
  19. 2008-02-04
    MASON, Craig Dean appointed
    director
  20. 2008-02-04
    MASON, Margaret Joyce appointed
    director
  21. 2008-01-22
    FORM 10 SECRETARIES FD LTD resigned
    corporate-nominee-secretary
  22. 2008-01-22
    FORM 10 DIRECTORS FD LTD resigned
    corporate-nominee-director
  23. 2008-01-21
    🏢
    Company incorporated
    As A & M J MASON & SON LIMITED
  24. 2008-01-21
    FORM 10 SECRETARIES FD LTD appointed
    corporate-nominee-secretary
  25. 2008-01-21
    FORM 10 DIRECTORS FD LTD appointed
    corporate-nominee-director

Owner dependency

98/100
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
  • +Founder name in company name: Company name contains director surname "MASON" — strong identity link between founder and business.
  • +Long-tenure founder: Senior director has been in place 18 years — deep operational knowledge concentrated in one person.
  • +Founder age: Director aged approximately 73 — succession pressure is live.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

83/100
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.
  • secondary12+ year tenure: Director in role 18 years.
  • secondaryStable-but-static management: Company is 18 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
Mrs Margaret Joyce Mason
Individual · British · DOB 04/1953 · age 73
2550%
25-50% shares21/01/2017
Mr Alan Mason
Individual · British · DOB 05/1955 · age 71
2550%
25-50% shares21/01/2017

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

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
Incorporated2008-01-21
Jurisdictionengland-wales
Primary SIC41100 — Development of building projects

Registered office

Cartref Greenbank
Hornby Road Caton
Lancaster
LA2 9JD

Filing status

Accounts
Next due: 2027-06-30
Last made up to: 2025-09-30
Confirmation statement
Next due: 2027-02-04
Last: 2026-01-21

Officers (4 active · 2 resigned)

MASON, Margaret Joyce
secretary · appointed 2008-02-04
View their other companies + combined net worth →
Active
MASON, Alan
director · ~71y · appointed 2008-02-04
View their other companies + combined net worth →
Active
MASON, Craig Dean
director · ~41y · appointed 2008-02-04
View their other companies + combined net worth →
Active
MASON, Margaret Joyce
director · ~73y · appointed 2008-02-04
View their other companies + combined net worth →
Active
FORM 10 SECRETARIES FD LTD
corporate-nominee-secretary · appointed 2008-01-21 · resigned 2008-01-22
Resigned
FORM 10 DIRECTORS FD LTD
corporate-nominee-director · appointed 2008-01-21 · resigned 2008-01-22
Resigned

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
Virgin Money
Clydesdale Bank PLC
Debenture1 property24/03/2008
Click column headers to sort. Use filters above to narrow by status and lender.

Recent filings (50 total)

accounts-with-accounts-type-micro-entity
accounts · AA
2026-06-10
confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-02-05
accounts-with-accounts-type-micro-entity
accounts · AA
2025-04-22
confirmation-statement-with-updates
confirmation-statement · CS01
2025-02-07
accounts-with-accounts-type-micro-entity
accounts · AA
2024-06-25
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-02-02
accounts-with-accounts-type-micro-entity
accounts · AA
2023-06-13
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-02-01
accounts-with-accounts-type-micro-entity
accounts · AA
2022-07-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-02-02
accounts-with-accounts-type-micro-entity
accounts · AA
2021-06-29
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-02-01
accounts-with-accounts-type-micro-entity
accounts · AA
2020-06-16
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-02-06
accounts-with-accounts-type-micro-entity
accounts · AA
2019-06-28