JBLB PLUMBING & HEATING SERVICES LTD

💤Zombieactive
SC662114 · ltd · incorporated 2020-05-26
Investment thesis
Zombie company — trading but stalled; unlikely mover.
Why interesting: Quiet, steady; could be a succession or carve-out candidate with the right conversation.
Why risky: No growth signal; thin margin for error on price.
🔒Estimated value
Upgrade to see
Turnover
year to May 2025
Net worth
£66.8k
book net assets
Opportunity
72/100
Strong
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What this business does
Primary activity: SIC 35300
Sector: Electricity, gas & energy
Investor take
Pursue
Strong opportunity: asset-holding vehicle with strong profile and bankable structure.

Opportunity 72/100 (strong), bankability 75/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Biggest value-creation lever: Broaden director team. Sole director creates succession risk and reduces buyer comfort. Appoint a second director or strong #2. Most likely exit: share sale to pe / searcher (58/100).

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
6 officers (1 active, 6 linked, 6 with DOB)
90
Ownership & PSC
1 active PSC(s) of 4 total, 4 with control declared
90
Director network
1 connected companies via shared directors
48
Filing history
37 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
72/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
65
Adequate — check latest filings for context.
Acquirability
55
Some acquirability indicators.
Risk profile
85
Few red 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 £66,794
Cash YoY
+1470%
Year on year

Key financials

2 years extracted from filed iXBRL accounts
Cash
£21k
↑ 1470% YoY
Net Worth
£67k
↑ 2171% YoY
Current Assets
£72k
↑ 139% YoY
Current Liabilities
£0£14k£29k£43k£58k£72kMay 2024May 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2025-05-312024-05-31
Total assets£129.9k£39.0k
Current assets£72.2k£30.2k
Cash£20.9k£1.3k
Debtors£36.4k£10.2k
Net assets£66.8k£2.9k

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
2
filings
  • 1 accounts
  • 1 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (33 events)Click to expand
  1. 2025-11-13
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2025-02-27
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  3. 2024-05-01
    📄
    gazette-filings-brought-up-to-date
    gazette · DISS40
  4. 2024-04-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  5. 2024-04-30
    📄
    gazette-notice-compulsory
    gazette · GAZ1
  6. 2023-10-05
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  7. 2023-07-06
    📄
    accounts-amended-with-accounts-type-total-exemption-full
    accounts · AAMD
  8. 2023-05-31
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  9. 2023-02-16
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  10. 2023-02-16
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  11. 2023-02-16
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  12. 2023-02-16
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  13. 2023-02-03
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  14. 2023-01-04
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  15. 2023-01-04
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  16. 2022-11-08
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  17. 2022-11-08
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  18. 2022-11-08
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  19. 2022-11-08
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  20. 2022-11-08
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  21. 2022-11-08
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  22. 2022-11-01
    SMALL, Graham Dunn appointed
    director
  23. 2022-11-01
    MACKENZIE, Heather resigned
    director
  24. 2022-11-01
    SMALL, Barry James appointed
    director
  25. 2022-11-01
    SMALL, Barry James resigned
    director
  26. 2022-11-01
    SMALL, Graham appointed
    director
  27. 2022-11-01
    SMALL, Graham resigned
    director
  28. 2022-11-01
    SMALL, Jade appointed
    director
  29. 2022-11-01
    SMALL, Jade resigned
    director
  30. 2022-03-01
    MACKENZIE, Heather appointed
    director
  31. 2022-03-01
    SMALL, Graham Dunn resigned
    director
  32. 2020-05-26
    🏢
    Company incorporated
    As JBLB PLUMBING & HEATING SERVICES LTD
  33. 2020-05-26
    SMALL, Graham Dunn appointed
    director

Owner dependency

75/100
High — earn-out structure required

Material founder dependency. Consider a 2-3 year earn-out and build in a handover plan before completion.

FACTORS
  • +Sole director: Only one active director — all governance concentrated on one person.

Succession & seller-readiness

45/100
Moderate signal

Some succession indicators present. Worth watching; approach if sector/strategy fits.

SIGNALS
  • primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.

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 · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Mr Graham Dunn Small Jr
Individual · British · DOB 07/1986 · age 40
75100%
75–100%board control75-100% shares · 75-100% voting · board control01/11/2022
3 historic (ceased) PSCs
  • Mr Graham Smallceased 01/11/2022· 25-50% shares · 25-50% voting · board control
  • Mrs Heather Mackenzieceased 01/11/2022· 75-100% shares · 75-100% voting · board control
  • Mr Graham Dunn Smallceased 01/03/2022· 75-100% shares

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

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
Incorporated2020-05-26
Jurisdictionscotland
Primary SIC35300 — SIC 35300

Registered office

3 Fairmuir Street
Dundee
DD3 8HT
Scotland

Filing status

Accounts
Next due: 2027-02-28
Last made up to: 2025-05-31
Confirmation statement
Next due: 2026-11-18
Last: 2025-11-04

Officers (1 active · 5 resigned)

SMALL, Graham Dunn
director · ~40y · appointed 2022-11-01
View their other companies + combined net worth →
Active
MACKENZIE, Heather
director · ~48y · appointed 2022-03-01 · resigned 2022-11-01
Resigned
SMALL, Barry James
director · ~33y · appointed 2022-11-01 · resigned 2022-11-01
Resigned
SMALL, Graham
director · ~65y · appointed 2022-11-01 · resigned 2022-11-01
Resigned
SMALL, Graham Dunn
director · ~40y · appointed 2020-05-26 · resigned 2022-03-01
Resigned
SMALL, Jade
director · ~24y · appointed 2022-11-01 · resigned 2022-11-01
Resigned

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

Recent filings (37 total)

accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-11-13
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-11-04
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-02-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-11-12
gazette-filings-brought-up-to-date
gazette · DISS40
2024-05-01
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-04-30
gazette-notice-compulsory
gazette · GAZ1
2024-04-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-11-09
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2023-10-05
accounts-amended-with-accounts-type-total-exemption-full
accounts · AAMD
2023-07-06
accounts-with-accounts-type-dormant
accounts · AA
2023-05-31
appoint-person-director-company-with-name-date
officers · AP01
2023-02-16
termination-director-company-with-name-termination-date
officers · TM01
2023-02-16
termination-director-company-with-name-termination-date
officers · TM01
2023-02-16
termination-director-company-with-name-termination-date
officers · TM01
2023-02-16