GMC LIMITED

🌳Matureactive
SC125555 · ltd · incorporated 1990-06-11
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 29.8y old — refinance window within 12 months
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Mar 2025
Net worth
—
book net assets
Opportunity
79/100
Strong
🔔
Follow this company (free)
Email alerts on filings, charges, director changes, gazette notices. No account needed.

Unsubscribe any time from any email. GDPR-respectful.

🔒Generate AI memo →🔒Outreach pack →🔒Corporate story →📑 Reports →Sign in to watch
What this business does
Primary activity: Other business support service activities n.e.c.
Sector: Administrative & support services
Investor take
Pursue
Active trading company with a 74-year-old founder — textbook succession opportunity.

Opportunity 79/100 (strong), bankability 85/100. Strong seller-intent signal (93/100, director aged 74). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

🏦

Refinance opportunity

3 live charges · oldest 29.8y

85/100
ready

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

  • · Oldest live charge is 29.8 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
3 charges (3/3 with lender, 3/3 with type)
90
Directors & officers
12 officers (3 active, 12 linked, 4 with DOB)
77
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
3 connected companies via shared directors
54
Filing history
115 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
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
80
Strong succession / seller-readiness signals.
Risk profile
77
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£0Mar 2024Mar 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-03-312024-03-31
Average employees00

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

🔒Filing-note intelligence

3 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
0
filings
Last 90 days
0
filings
Last 180 days
0
filings
Counts from Companies House filing history.
Corporate timeline (46 events)Click to expand
  1. 2025-09-18
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2025-01-16
    📄
    mortgage-satisfy-charge-full
    mortgage · MR04
  3. 2025-01-16
    📄
    mortgage-satisfy-charge-full
    mortgage · MR04
  4. 2025-01-16
    📄
    mortgage-satisfy-charge-full
    mortgage · MR04
  5. 2025-01-16
    🔓
    Charge satisfied #3
  6. 2025-01-16
    🔓
    Charge satisfied #2
  7. 2025-01-16
    🔓
    Charge satisfied #1
  8. 2024-12-17
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  9. 2024-04-03
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  10. 2024-01-26
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  11. 2023-01-05
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  12. 2022-03-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  13. 2021-02-03
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  14. 2020-06-15
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  15. 2020-06-15
    📄
    change-person-director-company-with-change-date
    officers · CH01
  16. 2020-06-08
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  17. 2020-06-08
    📄
    change-person-director-company-with-change-date
    officers · CH01
  18. 2020-06-08
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  19. 2020-06-08
    📄
    change-person-director-company-with-change-date
    officers · CH01
  20. 2019-12-27
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  21. 2019-02-20
    📄
    appoint-corporate-secretary-company-with-name-date
    officers · AP04
  22. 2018-12-11
    ➕
    LC SECRETARIES LIMITED appointed
    corporate-secretary
  23. 2018-12-11
    ➖
    LEDINGHAM CHALMERS LLP resigned
    corporate-secretary
  24. 2011-02-01
    ➕
    COWL, John Gregory appointed
    director
  25. 2001-11-30
    ➖
    RIORDAN ADAM, Bernadette Josephine Alberte Marie resigned
    secretary
  26. 2001-11-30
    ➕
    LEDINGHAM CHALMERS LLP appointed
    corporate-secretary
  27. 2001-11-30
    ➖
    RIORDAN ADAM, Bernadette Josephine Alberte Marie resigned
    director
  28. 1996-11-15
    🔒
    Charge registered #3
    Lender: Clydesdale Bank Public Limited Company
  29. 1996-09-10
    🔒
    Charge registered #2
    Lender: Clydesdale Bank Public Limited Company
  30. 1996-07-17
    🔒
    Charge registered #1
    Lender: Clydesdale Bank Public Limited Company
  31. 1992-06-01
    ➖
    DODDS, John Keith Mathieson resigned
    secretary
  32. 1992-06-01
    ➕
    RIORDAN ADAM, Bernadette Josephine Alberte Marie appointed
    secretary
  33. 1992-06-01
    ➖
    SMART, Norma Mary resigned
    secretary
  34. 1992-06-01
    ➕
    RIORDAN ADAM, Bernadette Josephine Alberte Marie appointed
    director
  35. 1992-06-01
    ➖
    STEPHENS, Jean resigned
    director
  36. 1992-02-21
    ➕
    SMART, Norma Mary appointed
    secretary
  37. 1991-03-15
    ➕
    DODDS, John Keith Mathieson appointed
    secretary
  38. 1991-03-15
    ➖
    STEPHENS, Jean resigned
    secretary
  39. 1991-03-15
    ➕
    STEPHENS, Jean appointed
    director
  40. 1990-06-11
    🏢
    Company incorporated
    As GMC LIMITED
  41. 1990-06-11
    ➕
    RIORDAN, Denis Patrick appointed
    director
  42. 1990-06-11
    ➕
    REID, Brian appointed
    nominee-secretary
  43. 1990-06-11
    ➖
    REID, Brian resigned
    nominee-secretary
  44. 1990-06-11
    ➕
    STEPHENS, Jean appointed
    secretary
  45. 1990-06-11
    ➕
    WAUGH, Joanne appointed
    nominee-director
  46. 1990-06-11
    ➖
    WAUGH, Joanne resigned
    nominee-director

Owner dependency

83/100
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 36 years — deep operational knowledge concentrated in one person.
  • +Founder age: Director aged approximately 74 — succession pressure is live.

Succession & seller-readiness

96/100
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 74 years old. Natural succession window is now.
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • primary20+ year tenure: Director in role 36 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 36 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

1 med ·
Charge satisfaction-then-recreation pattern
medium

Multiple instances where a charge was satisfied and a new charge created within 6 months. Suggests active refinancing cycle.

Shareholders & ownership

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Mr Denis Patrick Riordan
Individual · American,Irish · DOB 09/1952 · age 74
75–100%
75–100%board control75-100% shares · 75-100% voting · board control06/04/2016

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 →

Similar companies

Active · Trade services · AB postcode area
CompanyEst. valueTurnoverNet worthStaffAgeOppDirector
G H C LEITH (PROPERTIES) LIMITED→
SC062662 · est 1977 · no financials extracted
————48y——
GARY MCNAMARA ENGINEERING SERVICES LTD.→
SC390007 · est 2010 · no financials extracted
————15y——
GB ESTIMATING SOLUTIONS LTD→
SC434407 · est 2012 · no financials extracted
————13y——
GEBS CONSULTING LIMITED→
SC666471 · est 2020 · no financials extracted
————5y——
GEORGE VANCE INSPECTION LTD→
SC643343 · est 2019 · no financials extracted
————6y——
GOODGRUN LTD→
SC506067 · est 2015 · no financials extracted
————10y——
GQS GROUP LIMITED→
SC758822 · est 2023 · no financials extracted
————3y——
GRAEME OGSTON DESIGN SERVICES LIMITED→
SC310410 · est 2006 · no financials extracted
————19y——
GRAMPIAN DIGITAL SERVICES LTD→
SC631919 · est 2019 · no financials extracted
————6y——
GRANITE ELITE MEDICAL LIMITED→
SC797798 · est 2024 · no financials extracted
————2y——
GRANITE ELITE TRAINING LIMITED→
SC797806 · est 2024 · no financials extracted
————2y——
GRANITE HAIR LTD→
SC872795 · est 2025 · no financials extracted
———————
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
Incorporated1990-06-11
Jurisdictionscotland
Primary SIC82990 — Other business support service activities n.e.c.

Registered office

Johnstone House
52-54 Rose Street
Aberdeen
Aberdeenshire
AB10 1HA

Filing status

Accounts
Next due: 2026-12-31
Last made up to: 2025-03-31
Confirmation statement
Next due: 2026-06-25
Last: 2025-06-11

Officers (3 active · 9 resigned)

LC SECRETARIES LIMITED→
corporate-secretary · appointed 2018-12-11
View their other companies + combined net worth →
Active
COWL, John Gregory→
director · ~74y · appointed 2011-02-01
View their other companies + combined net worth →
Active
RIORDAN, Denis Patrick→
director · ~74y · appointed 1990-06-11
View their other companies + combined net worth →
Active
DODDS, John Keith Mathieson→
secretary · appointed 1991-03-15 · resigned 1992-06-01
Resigned
REID, Brian→
nominee-secretary · appointed 1990-06-11 · resigned 1990-06-11
Resigned
RIORDAN ADAM, Bernadette Josephine Alberte Marie→
secretary · appointed 1992-06-01 · resigned 2001-11-30
Resigned
SMART, Norma Mary→
secretary · appointed 1992-02-21 · resigned 1992-06-01
Resigned
STEPHENS, Jean→
secretary · appointed 1990-06-11 · resigned 1991-03-15
Resigned
LEDINGHAM CHALMERS LLP→
corporate-secretary · appointed 2001-11-30 · resigned 2018-12-11
Resigned
RIORDAN ADAM, Bernadette Josephine Alberte Marie→
director · ~73y · appointed 1992-06-01 · resigned 2001-11-30
Resigned
STEPHENS, Jean→
director · ~83y · appointed 1991-03-15 · resigned 1992-06-01
Resigned
WAUGH, Joanne→
nominee-director · appointed 1990-06-11 · resigned 1990-06-11
Resigned

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

Mortgages & charges

3
Total charges
0
Outstanding
0
Active lenders
Status:Lender:3 of 3 shown
TypeProperties
satisfied
Virgin Money
Clydesdale Bank Public Limited Company
Standard security1 property15/11/199616/01/2025
satisfied
Virgin Money
Clydesdale Bank Public Limited Company
Assignation in security1 property10/09/199616/01/2025
satisfied
Virgin Money
Clydesdale Bank Public Limited Company
Floating charge1 property17/07/199616/01/2025

Recent filings (115 total)

accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-09-18
confirmation-statement-with-updates
confirmation-statement · CS01
2025-06-11
mortgage-satisfy-charge-full
mortgage · MR04
2025-01-16
mortgage-satisfy-charge-full
mortgage · MR04
2025-01-16
mortgage-satisfy-charge-full
mortgage · MR04
2025-01-16
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-12-17
confirmation-statement-with-updates
confirmation-statement · CS01
2024-06-11
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-04-03
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2024-01-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-06-12
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-01-05
confirmation-statement-with-updates
confirmation-statement · CS01
2022-06-16
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-03-30
confirmation-statement-with-updates
confirmation-statement · CS01
2021-06-15
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-02-03