IAIN MCMAHON LIMITED

🌳Matureactive
SC275679 · ltd · incorporated 2004-11-05
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 2024
Net worth
£43.5k
book net assets
Opportunity
65/100
Strong
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What this business does
Primary activity: SIC 33200
Sector: Manufacturing
Investor take
Special-situation opportunity
Distressed manufacturing with salvageable qualities — special-situations priority.

Opportunity 65/100 (strong), bankability 55/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Biggest value-creation lever: File overdue accounts. Clears statutory overdue flag — immediate bankability uplift for refinance conversations. Most likely exit: strategic trade sale (38/100).

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, 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
5 officers (3 active, 5 linked, 2 with DOB)
78
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
Network not yet resolved
30
Filing history
56 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
65/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
55
Adequate — check latest filings for context.
Acquirability
60
Some acquirability indicators.
Risk profile
67
Some moderate concerns — review 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 £43,503

Key financials

2 years extracted from filed iXBRL accounts
Cash
—
Net Worth
£44k
↑ 222% YoY
Current Assets
£17
↓ 100% YoY
Current Liabilities
—
£0£9k£17k£26k£35k£44kMar 2023Mar 2024

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2024-03-312023-03-31
Total assets£23.3k£13.5k
Current assets£17£41.3k
Net assets£43.5k£13.5k

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 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (23 events)Click to expand
  1. 2025-03-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  2. 2023-12-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  3. 2023-01-30
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  4. 2022-01-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  5. 2021-03-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  6. 2020-09-08
    📄
    accounts-amended-with-accounts-type-total-exemption-full
    accounts · AAMD
  7. 2019-12-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  8. 2018-12-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  9. 2018-01-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  10. 2018-01-03
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  11. 2015-12-30
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  12. 2015-12-01
    📄
    accounts-amended-with-accounts-type-total-exemption-small
    accounts · AAMD
  13. 2015-11-06
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  14. 2014-12-31
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  15. 2014-11-13
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  16. 2004-11-05
    🏢
    Company incorporated
    As IAIN MCMAHON LIMITED
  17. 2004-11-05
    ➕
    MCMAHON, Karen appointed
    secretary
  18. 2004-11-05
    ➕
    MCMAHON, Iain Russell appointed
    director
  19. 2004-11-05
    ➕
    MCMAHON, Karen appointed
    director
  20. 2004-11-05
    ➕
    BRIAN REID LTD. appointed
    corporate-nominee-secretary
  21. 2004-11-05
    ➖
    BRIAN REID LTD. resigned
    corporate-nominee-secretary
  22. 2004-11-05
    ➕
    STEPHEN MABBOTT LTD. appointed
    corporate-nominee-director
  23. 2004-11-05
    ➖
    STEPHEN MABBOTT LTD. resigned
    corporate-nominee-director

Owner dependency

91/100
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.
  • +Founder name in company name: Company name contains director surname "MCMAHON" — strong identity link between founder and business.
  • +Long-tenure founder: Senior director has been in place 21 years — deep operational knowledge concentrated in one person.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

61/100
Strong succession signal

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

SIGNALS
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • primary20+ year tenure: Director in role 21 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 21 years old and no new directors in the last 3 years — succession not yet being planned internally.

Red flags

1 high ·
Accounts overdue
high

Statutory accounts have not been filed by their due date. Can indicate admin breakdown, cash preservation, or deliberate delay.

Evidence: Next due: 2026-03-31

Shareholders & ownership

2 active beneficial owners
NameSharesVoting rightsNature of controlNotified
Mr Iain Russell Mcmahon
Individual · British · DOB 05/1969 · age 57
25–50%
—25-50% shares01/11/2016
Mrs Karen Mcmahon
Individual · British · DOB 12/1970 · age 56
25–50%
—25-50% shares01/11/2016

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.

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Company details

Statusactive
Typeltd
Incorporated2004-11-05
Jurisdictionscotland
Primary SIC33200 — SIC 33200

Registered office

15 Alba Gardens
Carluke
ML8 5UZ

Filing status

Accounts
Next due: 2026-03-31OVERDUE
Last made up to: 2024-03-31
Confirmation statement
Next due: 2026-11-19
Last: 2025-11-05

Officers (3 active · 2 resigned)

MCMAHON, Karen→
secretary · appointed 2004-11-05
View their other companies + combined net worth →
Active
MCMAHON, Iain Russell→
director · ~57y · appointed 2004-11-05
View their other companies + combined net worth →
Active
MCMAHON, Karen→
director · ~56y · appointed 2004-11-05
View their other companies + combined net worth →
Active
BRIAN REID LTD.→
corporate-nominee-secretary · appointed 2004-11-05 · resigned 2004-11-05
Resigned
STEPHEN MABBOTT LTD.→
corporate-nominee-director · appointed 2004-11-05 · resigned 2004-11-05
Resigned

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

Recent filings (56 total)

confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-12-01
accounts-with-accounts-type-micro-entity
accounts · AA
2025-03-31
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-12-11
accounts-with-accounts-type-micro-entity
accounts · AA
2023-12-31
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-12-17
accounts-with-accounts-type-micro-entity
accounts · AA
2023-01-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-01-07
accounts-with-accounts-type-micro-entity
accounts · AA
2022-01-31
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-12-14
accounts-with-accounts-type-micro-entity
accounts · AA
2021-03-31
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-11-22
accounts-amended-with-accounts-type-total-exemption-full
accounts · AAMD
2020-09-08
accounts-with-accounts-type-micro-entity
accounts · AA
2019-12-31
confirmation-statement-with-no-updates
confirmation-statement · CS01
2019-11-24
accounts-with-accounts-type-micro-entity
accounts · AA
2018-12-31