IRISH SALT MINING AND EXPLORATION COMPANY LIMITED-THE
🌳Matureactive
NI006389 · ltd · incorporated 1965-05-18
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 Nov 2024
Net worth
£44.27M
book net assets
Opportunity
80/100
Exceptional
What this business does
Primary activity: SIC 08930
Sector: Mining & quarrying
Investor take
PursueAsset-holding vehicle with a 66-year-old founder — textbook succession opportunity.
Opportunity 80/100 (exceptional), bankability 75/100. Strong seller-intent signal (63/100, director aged 66). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).
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
Confirmed no charges registered
85
Directors & officers
7 officers (4 active, 7 linked, 6 with DOB)
87
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
1 connected companies via shared directors
48
Filing history
168 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
80/100Exceptional
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
90
Good data coverage for analysis.
Signals from accounts
Derived from iXBRL accounts · FRS 102Positive net assets
Net assets £44,272,292
Cash YoY
+22%
Year on year
Key financials
2 years extracted from filed iXBRL accountsCash
£27m
↑ 22% YoY
Net Worth
£44m
↑ 18% YoY
Current Assets
£35m
↑ 23% YoY
Current Liabilities
—
Hover to see exact values · click legend to toggle series
Financials
Extracted from Companies House accounts · FRS 102| Metric | 2024-11-30 | 2023-11-30 |
|---|---|---|
| Total assets | £47.61M | £39.41M |
| Current assets | £35.31M | £28.80M |
| Cash | £26.62M | £21.89M |
| Debtors | £5.61M | £3.84M |
| Net assets | £44.27M | £37.54M |
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
0
filings
Last 180 days
1
filing
- • 1 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (26 events)Click to expand
- 2025-10-22📄change-person-director-company-with-change-dateofficers · CH01
- 2025-08-20📄accounts-with-accounts-type-mediumaccounts · AA
- 2025-03-18📄change-to-a-person-with-significant-controlpersons-with-significant-control · PSC05
- 2025-02-20📄change-person-director-company-with-change-dateofficers · CH01
- 2024-08-19📄change-person-director-company-with-change-dateofficers · CH01
- 2024-08-19📄change-person-director-company-with-change-dateofficers · CH01
- 2024-08-13📄accounts-with-accounts-type-fullaccounts · AA
- 2023-08-15📄accounts-with-accounts-type-fullaccounts · AA
- 2022-08-22📄accounts-with-accounts-type-fullaccounts · AA
- 2021-08-23📄accounts-with-accounts-type-fullaccounts · AA
- 2020-10-06📄accounts-with-accounts-type-fullaccounts · AA
- 2019-08-01📄accounts-with-accounts-type-fullaccounts · AA
- 2018-08-01📄accounts-with-accounts-type-fullaccounts · AA
- 2017-07-26📄accounts-with-accounts-type-mediumaccounts · AA
- 2016-08-22📄accounts-with-accounts-type-mediumaccounts · AA
- 2016-07-26➕MCNAMEE, Molly appointeddirector
- 2015-01-21➖MAHONEY, Peter resigneddirector
- 2011-04-15➖MAHONEY, Daniel resigneddirector
- 2011-04-15➕MAHONEY, Peter appointeddirector
- 2010-08-23➕MAHONEY, Shelagh appointeddirector
- 2010-06-03➖MAHONEY, Leo D resigneddirector
- 2009-03-30➕MAHONEY, Daniel appointeddirector
- 1987-01-23➕MAHONEY, Kathleen appointeddirector
- 1965-05-18🏢Company incorporatedAs IRISH SALT MINING AND EXPLORATION COMPANY LIMITED-THE
- 1965-05-18➕ROBSON, Denise appointedsecretary
- 1965-05-18➕MAHONEY, Leo D appointeddirector
Owner dependency
83/100
Critical — business is the founderThe business appears inseparable from the founder. Acquisition without a serious earn-out or meaningful transition period would likely destroy value.
FACTORS
- +Long-tenure founder: Senior director has been in place 39 years — deep operational knowledge concentrated in one person.
- +Founder age: Director aged approximately 66 — succession pressure is live.
- +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.
Succession & seller-readiness
80/100
Likely off-market candidateStrong acquirability signals converging. Worth approaching directly — this is how off-market deals start.
SIGNALS
- primaryFounder aged 63+: Senior director is approximately 66. Approaching typical UK retirement age — succession thinking likely.
- primary20+ year tenure: Director in role 39 years. Very long tenure is a classic succession signal.
- secondaryStable-but-static management: Company is 61 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
cleanNo red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)
Group structure
Isme Holdings Limited is the ultimate parent — holding 75%+ shares. This company sits inside their group.
🏛️ultimate parent
Isme Holdings Limited
Corporate parent · holds 75-100% shares
⬇
IRISH SALT MINING AND EXPLORATION COMPANY LIMITED-THE
This company · NI006389
Parent relationships inferred from Persons with Significant Control filings. Full subsidiary tree requires reverse-lookup (coming).
Shareholders & ownership
1 active beneficial owner · dominant holder ≥75%| Name | Shares | Voting rights | Nature of control | Notified |
|---|---|---|---|---|
Isme Holdings Limited Corporate entity | 75–100% | — | 75-100% shares | 06/04/2016 |
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 · Manufacturing · BT postcode area| Company | Est. value | Turnover | Net worth | Staff | Age | Opp | Director |
|---|---|---|---|---|---|---|---|
| GORTREAGH PRINTING LIMITED→ NI651951 · est 2018 · no financials extracted | — | — | — | — | 8y | — | — |
| GRAFIQUE LIMITED→ NI720303 · est 2024 · no financials extracted | — | — | — | — | 1y | — | — |
| HUTCHINSON GROUP HOLDINGS (NI) LTD→ NI624624 · est 2014 · no financials extracted | — | — | — | — | 11y | — | — |
| HYDROGEN GREEN POWER LTD→ NI647471 · est 2017 · no financials extracted | — | — | — | — | 8y | — | — |
| IMRIE ENGINEERING LTD→ NI046464 · est 2003 · no financials extracted | — | — | — | — | 22y | — | — |
| INNOVATION TECHNOLOGIES (IRELAND) LTD→ NI033526 · est 1998 · no financials extracted | — | — | — | — | 28y | — | — |
| INNOVATIVE CONTAINER SOLUTIONS LTD→ NI725346 · est 2025 · no financials extracted | — | — | — | — | 1y | — | — |
| INSPIRE FLAVOURS LTD→ NI641649 · est 2016 · no financials extracted | — | — | — | — | 9y | — | — |
| INTEGRASPEC TRADING LIMITED→ NI603503 · est 2010 · no financials extracted | — | — | — | — | 15y | — | — |
| INTEGRATED TIMBER SOLUTIONS LIMITED→ NI057896 · est 2006 · no financials extracted | — | — | — | — | 20y | — | — |
| IRISH ROAD MOTORS LIMITED→ R0000336 · est 1920 · no financials extracted | — | — | — | — | 105y | — | — |
| ISLAND PRINTING & FINISHING EQUIPMENT LTD→ NI611114 · est 2012 · no financials extracted | — | — | — | — | 14y | — | — |
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
Incorporated1965-05-18
Jurisdictionnorthern-ireland
Primary SIC08930 — SIC 08930
Registered office
Fort Road
Kilroot
Carrickfergus
Co.Antrim
BT38 9BT
Filing status
Accounts
Next due: 2026-08-31
Last made up to: 2024-11-30
Confirmation statement
Next due: 2027-01-13
Last: 2025-12-30
Officers (4 active · 3 resigned)
Active
MAHONEY, Kathleen→
Activedirector · ~66y · appointed 1987-01-23
View their other companies + combined net worth →
MAHONEY, Shelagh→
Activedirector · ~61y · appointed 2010-08-23
View their other companies + combined net worth →
MCNAMEE, Molly→
Activedirector · ~30y · appointed 2016-07-26
View their other companies + combined net worth →
MAHONEY, Daniel→
Resigneddirector · ~94y · appointed 2009-03-30 · resigned 2011-04-15
MAHONEY, Leo D→
Resigneddirector · ~98y · appointed 1965-05-18 · resigned 2010-06-03
MAHONEY, Peter→
Resigneddirector · ~67y · appointed 2011-04-15 · resigned 2015-01-21
Click a director name to see their full track record across all companies.
Recent filings (168 total)
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-12-31
change-person-director-company-with-change-date
officers · CH01
2025-10-22
accounts-with-accounts-type-medium
accounts · AA
2025-08-20
change-to-a-person-with-significant-control
persons-with-significant-control · PSC05
2025-03-18
change-person-director-company-with-change-date
officers · CH01
2025-02-20
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-12-30
change-person-director-company-with-change-date
officers · CH01
2024-08-19
change-person-director-company-with-change-date
officers · CH01
2024-08-19
accounts-with-accounts-type-full
accounts · AA
2024-08-13
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-01-05
accounts-with-accounts-type-full
accounts · AA
2023-08-15
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-01-06
accounts-with-accounts-type-full
accounts · AA
2022-08-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-01-10
accounts-with-accounts-type-full
accounts · AA
2021-08-23