MECHANICAL INSTALLATIONS & MAINTENANCE (N.I.) LIMITED

🌳Matureactive
NI028109 · ltd · incorporated 1994-01-25
Investment thesis
Well-run mature business — low negotiation leverage; premium likely.
Why interesting: Textbook target; clean filings, stable trading.
Why risky: No pressure on seller; any deal likely at full price.
Opportunity decay
approaching window · 12-months
Approaching a transaction window — refinance or sale event plausible in the next 12 months.
  • · Oldest live charge 28.0y old — refinance window within 12 months
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Feb 2025
Net worth
£4.17M
book net assets
Opportunity
82/100
Exceptional
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What this business does
Primary activity: SIC 33200
Sector: Manufacturing
Investor take
Pursue
Active trading company with a 64-year-old founder — textbook succession opportunity.

Opportunity 82/100 (exceptional), bankability 67/100. Strong seller-intent signal (70/100, director aged 64). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Consolidate lender relationships. 4 distinct lenders creates friction — refinance into single-lender structure for cleaner diligence. Most likely exit: share sale to pe / searcher (73/100).

🏦

Refinance opportunity

3 live charges · 2 lenders · oldest 28.0y

50/100
clean up first

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

  • · Oldest live charge is 28.0 years old — likely at or near maturity.
  • · Two lenders — manageable, but coordination required.
  • · Legal-friction score 35/100 — workable, but lender will want more DD.

Data confidence

Overall: high (80/100)

Strong data coverage across all sections. AI outputs should be trusted with minimal caveats.

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
9 officers (2 active, 9 linked, 7 with DOB)
86
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
2 connected companies via shared directors
51
Filing history
101 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.

Signals from accounts

Derived from iXBRL accounts · FRS 102
Positive net assets
Net assets £4,166,049
Cash YoY
+7%
Year on year

Key financials

2 years extracted from filed iXBRL accounts
Cash
£933k
↑ 6.6% YoY
Net Worth
£4.2m
↑ 53% YoY
Current Assets
£4.2m
↑ 65% YoY
Current Liabilities
—
£0£848k£1.7m£2.5m£3.4m£4.2mFeb 2024Feb 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-02-282024-02-28
Total assets£4.19M£2.74M
Current assets£4.24M£2.57M
Cash£933.1k£875.6k
Debtors£2.96M£1.18M
Net assets£4.17M£2.72M

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
0
filings
Counts from Companies House filing history.
Corporate timeline (36 events)Click to expand
  1. 2025-11-11
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  2. 2024-11-27
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  3. 2023-11-30
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  4. 2023-02-28
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  5. 2022-05-18
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  6. 2021-11-15
    ➕
    DEERY, Catherine appointed
    director
  7. 2021-11-08
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  8. 2021-02-26
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  9. 2020-09-21
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  10. 2019-05-30
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  11. 2018-06-08
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  12. 2017-11-15
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  13. 2016-10-13
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  14. 2015-11-16
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  15. 2015-11-12
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  16. 2014-11-10
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  17. 2011-09-14
    ➖
    MC GARRIGLE, Robert Gerard resigned
    director
  18. 2008-10-30
    ➖
    TIERNEY, Martin resigned
    secretary
  19. 2008-10-30
    ➖
    TIERNEY, Martin Joseph resigned
    director
  20. 2008-02-01
    ➖
    BOYD, John Thompson resigned
    director
  21. 2008-02-01
    ➖
    HARTIN, Graeme Patrick resigned
    director
  22. 2007-05-01
    ➖
    HARTIN, Graeme Patrick resigned
    secretary
  23. 2007-05-01
    ➕
    TIERNEY, Martin appointed
    secretary
  24. 2004-12-21
    🔓
    Charge satisfied #3
  25. 2003-09-11
    🔒
    Charge registered #3
    Lender: Of Ireland Donegall
  26. 2000-02-25
    ➖
    MC LAUGHLIN, Liam Antony resigned
    director
  27. 1998-05-27
    🔒
    Charge registered #2
    Lender: Northern Bank LTD
  28. 1998-05-27
    🔒
    Charge registered #1
    Lender: Northern Bank LTD
  29. 1994-01-25
    🏢
    Company incorporated
    As MECHANICAL INSTALLATIONS & MAINTENANCE (N.I.) LIMITED
  30. 1994-01-25
    ➕
    DEERY, John Finbar appointed
    director
  31. 1994-01-25
    ➕
    HARTIN, Graeme Patrick appointed
    secretary
  32. 1994-01-25
    ➕
    BOYD, John Thompson appointed
    director
  33. 1994-01-25
    ➕
    HARTIN, Graeme Patrick appointed
    director
  34. 1994-01-25
    ➕
    MC GARRIGLE, Robert Gerard appointed
    director
  35. 1994-01-25
    ➕
    MC LAUGHLIN, Liam Antony appointed
    director
  36. 1994-01-25
    ➕
    TIERNEY, Martin Joseph 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 32 years — deep operational knowledge concentrated in one person.
  • +Senior director age: Director aged approximately 64 — approaching natural succession window.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

86/100
Likely off-market candidate

Strong acquirability signals converging. Worth approaching directly — this is how off-market deals start.

SIGNALS
  • primaryFounder aged 63+: Senior director is approximately 64. Approaching typical UK retirement age — succession thinking likely.
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • primary20+ year tenure: Director in role 32 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 32 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

1 active beneficial owner
NameSharesVoting rightsNature of controlNotified
Mr John Finbar Deery
Individual · Irish · DOB 06/1963 · age 63
25–50%
—25-50% shares01/11/2016

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
Incorporated1994-01-25
Jurisdictionnorthern-ireland
Primary SIC33200 — SIC 33200

Registered office

6 Carrakeel Industrial Park
Maydown
Londonderry
BT47 6SZ
Northern Ireland

Filing status

Accounts
Next due: 2026-11-30
Last made up to: 2025-02-28
Confirmation statement
Next due: 2026-11-19
Last: 2025-11-05

Officers (2 active · 7 resigned)

DEERY, Catherine→
director · ~64y · appointed 2021-11-15
View their other companies + combined net worth →
Active
DEERY, John Finbar→
director · ~63y · appointed 1994-01-25
View their other companies + combined net worth →
Active
HARTIN, Graeme Patrick→
secretary · appointed 1994-01-25 · resigned 2007-05-01
Resigned
TIERNEY, Martin→
secretary · appointed 2007-05-01 · resigned 2008-10-30
Resigned
BOYD, John Thompson→
director · ~73y · appointed 1994-01-25 · resigned 2008-02-01
Resigned
HARTIN, Graeme Patrick→
director · ~64y · appointed 1994-01-25 · resigned 2008-02-01
Resigned
MC GARRIGLE, Robert Gerard→
director · ~77y · appointed 1994-01-25 · resigned 2011-09-14
Resigned
MC LAUGHLIN, Liam Antony→
director · ~81y · appointed 1994-01-25 · resigned 2000-02-25
Resigned
TIERNEY, Martin Joseph→
director · ~74y · appointed 1994-01-25 · resigned 2008-10-30
Resigned

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

Mortgages & charges

3
Total charges
2
Outstanding
1
Active lenders
Status:Lender:3 of 3 shown
TypeProperties
satisfied
Of Ireland Donegall / Square North / The Governor And
Mortgage or charge1 property11/09/200321/12/2004
outstanding
Northern Bank
Northern Bank LTD
Mortgage or charge1 property27/05/1998—
outstanding
Northern Bank
Northern Bank LTD
Mortgage or charge1 property27/05/1998—
Click column headers to sort. Use filters above to narrow by status and lender.

Recent filings (101 total)

accounts-with-accounts-type-unaudited-abridged
accounts · AA
2025-11-11
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-11-05
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2024-11-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-11-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-11-30
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2023-11-30
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2023-02-28
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-12-14
appoint-person-director-company-with-name-date
officers · AP01
2022-05-18
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-12-13
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2021-11-08
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2021-02-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-11-18
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2020-09-21
confirmation-statement-with-no-updates
confirmation-statement · CS01
2019-11-19