ANTABIO LTD

💤Zombieactive
08620153 · ltd · incorporated 2013-07-23
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 Dec 2025
Net worth
book net assets
Opportunity
78/100
Strong
🔔
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What this business does
Primary activity: Research and experimental development on biotechnology
Sector: Professional, scientific & technical
Investor take
Pursue
Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 78/100 (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 (73/100).

Data confidence

Overall: medium (76/100)

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, 1 with DOB)
77
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
Network not yet resolved
30
Filing history
34 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
78/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
70
Strong succession / seller-readiness signals.
Risk profile
85
Few red flags.
Signal strength
90
Good data coverage for analysis.

Key financials

2 years extracted from filed iXBRL accounts
Cash
Net Worth
Current Assets
Current Liabilities
£0£0£0£0£0£0Dec 2024Dec 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-12-312024-12-31
Average employees200100

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
1
filing
  • 1 accounts
Last 90 days
1
filing
  • 1 accounts
Last 180 days
2
filings
  • 1 accounts
  • 1 officers
Counts from Companies House filing history.
Corporate timeline (21 events)Click to expand
  1. 2026-04-23
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2026-01-12
    📄
    change-corporate-secretary-company-with-change-date
    officers · CH04
  3. 2025-10-22
    📄
    change-person-director-company-with-change-date
    officers · CH01
  4. 2025-04-28
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  5. 2024-08-15
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  6. 2023-03-22
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  7. 2022-05-31
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  8. 2021-09-10
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  9. 2020-11-02
    📄
    termination-secretary-company-with-name-termination-date
    officers · TM02
  10. 2020-11-02
    📄
    appoint-corporate-secretary-company-with-name-date
    officers · AP04
  11. 2020-10-31
    ALTIOS INTERNATIONAL UK LIMITED appointed
    corporate-secretary
  12. 2020-10-31
    FRENGER INTERNATIONAL LTD resigned
    corporate-secretary
  13. 2020-06-11
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  14. 2019-09-13
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  15. 2019-02-28
    📄
    capital-allotment-shares
    capital · SH01
  16. 2018-07-31
    📄
    change-person-director-company-with-change-date
    officers · CH01
  17. 2018-06-11
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  18. 2017-07-24
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC05
  19. 2013-07-23
    🏢
    Company incorporated
    As ANTABIO LTD
  20. 2013-07-23
    LEMONNIER, Marc appointed
    director
  21. 2013-07-23
    FRENGER INTERNATIONAL LTD appointed
    corporate-secretary

Owner dependency

83/100
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
  • +Sole director: Only one active director — all governance concentrated on one person.
  • +Senior director age: Director aged approximately 59 — approaching natural succession window.

Succession & seller-readiness

68/100
Strong succession signal

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

SIGNALS
  • secondaryFounder aged 58+: Senior director is approximately 59. Early succession window.
  • primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.
  • secondary12+ year tenure: Director in role 13 years.
  • 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.)

Group structure

Antabio Sas is the ultimate parent — holding 75%+ shares. This company sits inside their group.

🏛️
Antabio Sas
Corporate parent · holds 75-100% shares · board control
ultimate parent
ANTABIO LTD
This company · 08620153

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%
NameSharesVoting rightsNature of controlNotified
Antabio Sas
Corporate entity
75100%
75–100%board controlsig. influence75-100% shares · 75-100% voting · board control · significant influence · firm interest23/07/2016

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.

See pricing →

Company details

Statusactive
Typeltd
Incorporated2013-07-23
Jurisdictionengland-wales
Primary SIC72110 — Research and experimental development on biotechnology

Registered office

Wilberforce House
Station Road
London
NW4 4QE

Filing status

Accounts
Next due: 2027-09-30
Last made up to: 2025-12-31
Confirmation statement
Next due: 2026-07-25
Last: 2025-07-11

Officers (2 active · 1 resigned)

ALTIOS INTERNATIONAL UK LIMITED
corporate-secretary · appointed 2020-10-31
View their other companies + combined net worth →
Active
LEMONNIER, Marc
director · ~59y · appointed 2013-07-23
View their other companies + combined net worth →
Active
FRENGER INTERNATIONAL LTD
corporate-secretary · appointed 2013-07-23 · resigned 2020-10-31
Resigned

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

Recent filings (34 total)

accounts-with-accounts-type-total-exemption-full
accounts · AA
2026-04-23
change-corporate-secretary-company-with-change-date
officers · CH04
2026-01-12
change-person-director-company-with-change-date
officers · CH01
2025-10-22
confirmation-statement-with-updates
confirmation-statement · CS01
2025-07-15
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-04-28
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-08-15
confirmation-statement-with-updates
confirmation-statement · CS01
2024-07-16
confirmation-statement-with-updates
confirmation-statement · CS01
2023-07-11
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-03-22
confirmation-statement-with-updates
confirmation-statement · CS01
2022-07-20
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-05-31
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-09-10
confirmation-statement-with-updates
confirmation-statement · CS01
2021-08-10
termination-secretary-company-with-name-termination-date
officers · TM02
2020-11-02
appoint-corporate-secretary-company-with-name-date
officers · AP04
2020-11-02