TUNNELMED SERVICES LTD

🏛️Establishedactive
SC587119 · ltd · incorporated 2018-01-29
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 Jan 2025
Net worth
£96.0k
book net assets
Opportunity
76/100
Strong
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What this business does
Primary activity: Specialist medical practice activities
Sector: Human health & social work
Investor take
Pursue
Asset-holding vehicle with a 66-year-old founder — textbook succession opportunity.

Opportunity 76/100 (strong), bankability 75/100. Strong seller-intent signal (60/100, director aged 66). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Deleverage or restructure. Leverage at 100% of assets — consider sale of non-core assets or equity injection. Most likely exit: share sale to pe / searcher (73/100).

Data confidence

Overall: medium (78/100)

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
3 officers (2 active, 3 linked, 3 with DOB)
90
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
Network not yet resolved
30
Filing history
20 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
76/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
65
Adequate — check latest filings for context.
Acquirability
70
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 · accounting standard not declared
Positive net assets
Net assets £95,951
High leverage
Liabilities are 100% of total assets
Leverage
100%
Liabilities / Total assets

Key financials

2 years extracted from filed iXBRL accounts
Cash
—
Net Worth
£96k
Current Assets
£113k
Current Liabilities
—
£0£23k£45k£68k£90k£113kJan 2024Jan 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2025-01-312024-01-31
Total assets£115.6k—
Current assets£112.6k—
Net assets£96.0k—

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 confirmation-statement
  • • 1 persons-with-significant-control
Counts from Companies House filing history.
Corporate timeline (17 events)Click to expand
  1. 2025-12-20
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  2. 2025-09-18
    📄
    change-person-director-company-with-change-date
    officers · CH01
  3. 2025-08-05
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  4. 2024-07-18
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  5. 2023-05-29
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  6. 2022-10-13
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  7. 2021-10-26
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  8. 2020-12-07
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  9. 2020-12-01
    ➕
    COLVIN, Catherine appointed
    director
  10. 2020-10-12
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  11. 2019-10-14
    📄
    accounts-with-accounts-type-unaudited-abridged
    accounts · AA
  12. 2018-09-24
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  13. 2018-01-29
    🏢
    Company incorporated
    As TUNNELMED SERVICES LTD
  14. 2018-01-29
    ➕
    COLVIN, Andrew, Dr appointed
    director
  15. 2018-01-29
    ➕
    JEWELL, Cathy, Dr appointed
    director
  16. 2018-01-29
    ➖
    JEWELL, Cathy, Dr resigned
    director
  17. 2018-01-29
    📄
    incorporation-company
    incorporation · NEWINC

Owner dependency

81/100
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 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

56/100
Strong succession signal

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

SIGNALS
  • primaryFounder aged 63+: Senior director is approximately 66. Approaching typical UK retirement age — succession thinking likely.
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.

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

2 active beneficial owners
NameSharesVoting rightsNature of controlNotified
Dr Andrew Colvin
Individual · British · DOB 06/1960 · age 66
25–50%
25–50%25-50% shares · 25-50% voting29/01/2018
Cathy Colvin
Individual · British · DOB 01/1963 · age 63
25–50%
25–50%25-50% shares · 25-50% voting29/01/2018

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.

See pricing →

Company details

Statusactive
Typeltd
Incorporated2018-01-29
Jurisdictionscotland
Primary SIC86220 — Specialist medical practice activities

Registered office

Rokeby House
Doune Road
Dunblane
Stirlingshire
FK15 9AT
United Kingdom

Filing status

Accounts
Next due: 2026-10-31
Last made up to: 2025-01-31
Confirmation statement
Next due: 2027-02-11
Last: 2026-01-28

Officers (2 active · 1 resigned)

COLVIN, Andrew, Dr→
director · ~66y · appointed 2018-01-29
View their other companies + combined net worth →
Active
COLVIN, Catherine→
director · ~63y · appointed 2020-12-01
View their other companies + combined net worth →
Active
JEWELL, Cathy, Dr→
director · ~63y · appointed 2018-01-29 · resigned 2018-01-29
Resigned

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

Recent filings (20 total)

confirmation-statement-with-updates
confirmation-statement · CS01
2026-01-30
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2025-12-20
change-person-director-company-with-change-date
officers · CH01
2025-09-18
accounts-with-accounts-type-micro-entity
accounts · AA
2025-08-05
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-01-30
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2024-07-18
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-03-05
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2023-05-29
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-03-06
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2022-10-13
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-03-04
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2021-10-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-03-29
appoint-person-director-company-with-name-date
officers · AP01
2020-12-07
accounts-with-accounts-type-unaudited-abridged
accounts · AA
2020-10-12