ATDBIO LIMITED

🌳Matureactive
05303632 · ltd · incorporated 2004-12-03
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
—
not disclosed
Net worth
—
book net assets
Opportunity
79/100
Strong
🔔
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What this business does
Primary activity: SIC 20590
Sector: Manufacturing
Investor take
Pursue
Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 79/100 (strong), bankability 75/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (73/100).

Data confidence

Overall: low (54/100)

Sparse data coverage. Treat AI-generated outputs as preliminary. Manual diligence essential.

Company profile
address, 1 SIC codes, incorporation date
100
Financials
No iXBRL financials extracted
0
Lenders & charges
Confirmed no charges registered
85
Directors & officers
12 officers (2 active, 12 linked, 8 with DOB)
83
Ownership & PSC
1 active PSC(s) of 3 total, 3 with control declared
90
Director network
Network not yet resolved
30
Filing history
87 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
79/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
75
Strong succession / seller-readiness signals.
Risk profile
85
Few red flags.
Signal strength
90
Good data coverage for analysis.

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 (43 events)Click to expand
  1. 2026-01-09
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC05
  2. 2026-01-09
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  3. 2026-01-09
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC02
  4. 2025-12-28
    📄
    accounts-with-accounts-type-full
    accounts · AA
  5. 2025-06-11
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  6. 2025-05-31
    ➖
    BROWN, Tom, Dr resigned
    director
  7. 2025-01-06
    📄
    accounts-with-accounts-type-full
    accounts · AA
  8. 2024-11-04
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  9. 2024-11-04
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  10. 2024-10-21
    ➕
    VANDERHAEGEN, Frederic Christophe Pierre Marie appointed
    director
  11. 2024-10-21
    ➖
    JØRGENSEN, Torben Vedel Stahl resigned
    director
  12. 2024-01-18
    ➕
    JØRGENSEN, Torben Vedel Stahl appointed
    director
  13. 2024-01-18
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  14. 2024-01-16
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  15. 2024-01-14
    📄
    accounts-with-accounts-type-full
    accounts · AA
  16. 2024-01-04
    ➖
    BLOMQUIST, Tomas resigned
    director
  17. 2023-10-17
    📄
    termination-secretary-company-with-name-termination-date
    officers · TM02
  18. 2023-10-05
    ➖
    BÄCKMAN, Lars resigned
    secretary
  19. 2023-01-09
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  20. 2022-01-06
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  21. 2021-11-08
    📄
    resolution
    resolution · RESOLUTIONS
  22. 2021-11-08
    📄
    memorandum-articles
    incorporation · MA
  23. 2021-11-08
    📄
    statement-of-companys-objects
    change-of-constitution · CC04
  24. 2021-10-28
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC02
  25. 2021-10-28
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  26. 2021-10-28
    📄
    termination-secretary-company-with-name-termination-date
    officers · TM02
  27. 2021-10-20
    ➕
    WILLIAMS, Chris appointed
    director
  28. 2021-10-20
    ➖
    BROWN, Doarcas Jemema Selverani, Dr resigned
    secretary
  29. 2021-10-20
    ➕
    BÄCKMAN, Lars appointed
    secretary
  30. 2021-10-20
    ➕
    BLOMQUIST, Tomas appointed
    director
  31. 2021-10-20
    ➖
    BROWN, Asha, Dr resigned
    director
  32. 2021-10-20
    ➖
    BROWN, Doarcas Jemema Selverani, Dr resigned
    director
  33. 2021-10-20
    ➖
    BROWN, Tom, Professor resigned
    director
  34. 2006-01-01
    ➕
    BROWN, Tom, Professor appointed
    director
  35. 2004-12-13
    ➕
    BROWN, Doarcas Jemema Selverani, Dr appointed
    secretary
  36. 2004-12-13
    ➕
    BROWN, Asha, Dr appointed
    director
  37. 2004-12-13
    ➕
    BROWN, Doarcas Jemema Selverani, Dr appointed
    director
  38. 2004-12-13
    ➕
    BROWN, Tom, Dr appointed
    director
  39. 2004-12-06
    ➖
    FORM 10 SECRETARIES FD LTD resigned
    corporate-nominee-secretary
  40. 2004-12-06
    ➖
    FORM 10 DIRECTORS FD LTD resigned
    corporate-nominee-director
  41. 2004-12-03
    🏢
    Company incorporated
    As ATDBIO LIMITED
  42. 2004-12-03
    ➕
    FORM 10 SECRETARIES FD LTD appointed
    corporate-nominee-secretary
  43. 2004-12-03
    ➕
    FORM 10 DIRECTORS FD LTD appointed
    corporate-nominee-director

Owner dependency

66/100
High — earn-out structure required

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

FACTORS
  • +Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.
  • +Senior director age: Director aged approximately 63 — approaching natural succession window.

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 63. 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.)

Group structure

Kkr Europe Vi Aggregator Holdings Iii Lp holds 25-50% — a significant corporate investor but not a controlling parent.

🏛️
Kkr Europe Vi Aggregator Holdings Iii Lp
Corporate parent · holds 25-50% shares
significant stake
⬇
ATDBIO LIMITED
This company · 05303632

Parent relationships inferred from Persons with Significant Control filings. Full subsidiary tree requires reverse-lookup (coming).

Shareholders & ownership

1 active beneficial owner
NameSharesVoting rightsNature of controlNotified
Kkr Europe Vi Aggregator Holdings Iii Lp
Corporate entity
25–50%
—25-50% shares11/07/2025
2 historic (ceased) PSCs
  • Biotage Abceased 11/07/2025· 75-100% shares · 75-100% voting · board control
  • Dr Doarcas Jemema Selverani Brownceased 20/10/2021· 25-50% shares

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

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
Incorporated2004-12-03
Jurisdictionengland-wales
Primary SIC20590 — SIC 20590

Registered office

Ist House Distribution Way
Dyffryn Industrial Estate
Ystrad Mynach
Hengoed
CF82 7TS
Wales

Filing status

Accounts
Next due: 2026-09-30
Last made up to: 2024-12-31
Confirmation statement
Next due: 2026-12-17
Last: 2025-12-03

Officers (2 active · 10 resigned)

VANDERHAEGEN, Frederic Christophe Pierre Marie→
director · ~59y · appointed 2024-10-21
View their other companies + combined net worth →
Active
WILLIAMS, Chris→
director · ~63y · appointed 2021-10-20
View their other companies + combined net worth →
Active
BROWN, Doarcas Jemema Selverani, Dr→
secretary · appointed 2004-12-13 · resigned 2021-10-20
Resigned
BÄCKMAN, Lars→
secretary · appointed 2021-10-20 · resigned 2023-10-05
Resigned
FORM 10 SECRETARIES FD LTD→
corporate-nominee-secretary · appointed 2004-12-03 · resigned 2004-12-06
Resigned
BLOMQUIST, Tomas→
director · ~56y · appointed 2021-10-20 · resigned 2024-01-04
Resigned
BROWN, Asha, Dr→
director · ~42y · appointed 2004-12-13 · resigned 2021-10-20
Resigned
BROWN, Doarcas Jemema Selverani, Dr→
director · ~76y · appointed 2004-12-13 · resigned 2021-10-20
Resigned
BROWN, Tom, Professor→
director · ~74y · appointed 2006-01-01 · resigned 2021-10-20
Resigned
BROWN, Tom, Dr→
director · ~44y · appointed 2004-12-13 · resigned 2025-05-31
Resigned
JØRGENSEN, Torben Vedel Stahl→
director · ~74y · appointed 2024-01-18 · resigned 2024-10-21
Resigned
FORM 10 DIRECTORS FD LTD→
corporate-nominee-director · appointed 2004-12-03 · resigned 2004-12-06
Resigned

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

Recent filings (87 total)

change-to-a-person-with-significant-control
persons-with-significant-control · PSC05
2026-01-09
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2026-01-09
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC02
2026-01-09
accounts-with-accounts-type-full
accounts · AA
2025-12-28
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-12-04
termination-director-company-with-name-termination-date
officers · TM01
2025-06-11
accounts-with-accounts-type-full
accounts · AA
2025-01-06
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-12-11
appoint-person-director-company-with-name-date
officers · AP01
2024-11-04
termination-director-company-with-name-termination-date
officers · TM01
2024-11-04
appoint-person-director-company-with-name-date
officers · AP01
2024-01-18
termination-director-company-with-name-termination-date
officers · TM01
2024-01-16
accounts-with-accounts-type-full
accounts · AA
2024-01-14
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-01-08
termination-secretary-company-with-name-termination-date
officers · TM02
2023-10-17