APT SUBSEA SERVICES LTD

🏛️Establishedactive
10993747 · ltd · incorporated 2017-10-03
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 Oct 2024
Net worth
book net assets
Opportunity
76/100
Strong
🔔
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What this business does
Primary activity: Other engineering activities
Sector: Professional, scientific & technical
Investor take
Pursue
Active trading company with a 69-year-old founder — textbook succession opportunity.

Opportunity 76/100 (strong), bankability 75/100. Strong seller-intent signal (60/100, director aged 69). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Cash flow review and working-capital discipline. Cash down -96% YoY — forensic review of receivables, stock turns, and creditor days. 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
2 officers (2 active, 2 linked, 2 with DOB)
90
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
Network not yet resolved
30
Filing history
24 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
Cash draining
Cash down 96% YoY
Cash YoY
-96%
Year on year

Key financials

2 years extracted from filed iXBRL accounts
Cash
£533
↓ 96% YoY
Net Worth
Current Assets
£9k
↓ 83% YoY
Current Liabilities
£0£10k£20k£30k£40k£50kOct 2023Oct 2024

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2024-10-312023-10-31
Total assets£30.2k
Current assets£8.6k£50.0k
Cash£533£14.0k
Debtors£8.1k£36.1k
Net assets£30.2k

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
0
filings
Counts from Companies House filing history.
Corporate timeline (19 events)Click to expand
  1. 2025-07-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2024-07-08
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  3. 2023-06-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  4. 2022-07-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  5. 2021-07-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  6. 2020-08-14
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  7. 2019-07-05
    📄
    capital-allotment-shares
    capital · SH01
  8. 2019-06-14
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  9. 2018-10-16
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  10. 2018-10-16
    📄
    change-person-director-company-with-change-date
    officers · CH01
  11. 2018-10-16
    📄
    change-person-director-company-with-change-date
    officers · CH01
  12. 2018-10-03
    📄
    change-person-director-company-with-change-date
    officers · CH01
  13. 2018-10-03
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  14. 2018-08-14
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  15. 2018-01-29
    THOMASON, Anthony Paul appointed
    director
  16. 2018-01-29
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  17. 2017-10-03
    🏢
    Company incorporated
    As APT SUBSEA SERVICES LTD
  18. 2017-10-03
    THOMASON, Erla Mary appointed
    director
  19. 2017-10-03
    📄
    incorporation-company
    incorporation · NEWINC

Owner dependency

86/100
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 69 — succession pressure is live.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.
  • +No director turnover: Company is 9 years old with no director changes — suggests a very tight-knit founder team never broadened.

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 69. 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

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Mrs Erla Mary Thomason
Individual · British · DOB 10/1957 · age 69
75100%
75-100% shares03/10/2017

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

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.

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Company details

Statusactive
Typeltd
Incorporated2017-10-03
Jurisdictionengland-wales
Primary SIC71129 — Other engineering activities

Registered office

The Old School
The Stennack
St Ives
Cornwall
TR26 1QU
England

Filing status

Accounts
Next due: 2026-07-31
Last made up to: 2024-10-31
Confirmation statement
Next due: 2026-10-16
Last: 2025-10-02

Officers (2 active · 0 resigned)

THOMASON, Anthony Paul
director · ~65y · appointed 2018-01-29
View their other companies + combined net worth →
Active
THOMASON, Erla Mary
director · ~69y · appointed 2017-10-03
View their other companies + combined net worth →
Active

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

Recent filings (24 total)

confirmation-statement-with-updates
confirmation-statement · CS01
2025-10-03
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-07-30
confirmation-statement-with-updates
confirmation-statement · CS01
2024-10-03
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-07-08
confirmation-statement-with-updates
confirmation-statement · CS01
2023-10-03
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-06-26
confirmation-statement-with-updates
confirmation-statement · CS01
2022-10-18
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-07-29
confirmation-statement-with-updates
confirmation-statement · CS01
2021-10-07
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-07-26
confirmation-statement-with-updates
confirmation-statement · CS01
2020-10-15
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-08-14
confirmation-statement-with-updates
confirmation-statement · CS01
2019-10-16
capital-allotment-shares
capital · SH01
2019-07-05
accounts-with-accounts-type-total-exemption-full
accounts · AA
2019-06-14