Who owns OPSYDIA LIMITED?

In the current sources, OPSYDIA LIMITED is connected to PARKWALK ADVISORS LTD, OXFORD SCIENCE ENTERPRISES PLC, Dr Martin James Booth, Mr Patrick Stephen Salter, Dr Martin James Booth and 3 more. Trace the full chain to the ultimate beneficial owner in the WhiteIntel ownership graph.

What is OPSYDIA LIMITED's risk level?

WhiteIntel flags OPSYDIA LIMITED as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does OPSYDIA LIMITED appear across sources?

OPSYDIA LIMITED is indexed in the WhiteIntel corporate-ownership graph (GB), with a source on every claim.

LIVE · CORPUS

Dossier

■

OPSYDIA LIMITED

Name: OPSYDIA LIMITED — ownership dossier
Creator: WhiteIntel
License: https://whiteintel.dev/terms
Keywords: corporate ownership, beneficial ownership, UBO, corporate intelligence, OSINT, corporate registry, OPSYDIA LIMITED, Company, GB

LowActive

CompanyGB

View network JSON / MCPsample

SnitchScore · reading…

placeholder

The finding

Ownership resolves 12 hops deep toward the ultimate beneficial owner.

/01

At a glance

Dimensions on file

Owners: 8
Officers: 13
Beneficial owners: 4
Same address: 8
UBO hops: 12

/02

Key facts

Risk signal

Status: active
Incorporated: 2017-07-20
Legal form: ltd
Activity: 72190
Registered office: 9400 Garsington Road, Oxford Business Park, Oxford, OX4 2HN, United Kingdom

Low

Risk

OPSYDIA LIMITED is a ltd registered in GB, incorporated 2017-07-20 (active).

/03

Ownership & control

Links are shown as observed in a source registry — we do not currently hold ownership end dates, so a link here may since have ended. Each row carries its source; check it before relying on currency.

Owners / controllers

OPSYDIA LIMITED
- PARKWALK ADVISORS LTD· beneficial owner· via OpenOwnership
- OXFORD SCIENCE ENTERPRISES PLC· beneficial owner50%· via OpenOwnership
- Dr Martin James Booth· beneficial owner50%· via OpenOwnership
- Mr Patrick Stephen Salter· beneficial owner50%· via OpenOwnership
- Dr Martin James Booth· beneficial owner37.5%· via CH PSC
- Mr Patrick Stephen Salter· beneficial owner37.5%· via CH PSC

Holdings / subsidiaries

None in current sources.

Walk the full UBO chain

12 hops lockedStandard

12-step ownership / control trace to the ultimate beneficial owner — cited at every hop. Unlock the full chain.

Unlock in the full dossier

/04

Also at this address

Shared registered office

Other companies registered at the same address — a common structuring / formation-agent signal, not proof of a link.

8 companiesStandard

8 other companies at this registered office — unlock the itemised list.

Unlock in the full dossier

/05

Activity timeline

30 Jun 2027Companies House
Accounts due
02 Aug 2026Companies House
Confirmation statement overdue
30 Sept 2025Companies House
Latest accounts made up
20 Jul 2017Companies House
Registered

/06

Company profile

live · Companies House

Company no.: 10876500
Status: active
Type: ltd
Incorporated: 2017-07-20
Registered office: 9400 Garsington Road, Oxford Business Park, Oxford, OX4 2HN, United Kingdom
SIC: 72190

Officers · 6 active

PENNSEC LIMITED
corporate secretary · appt 2017-07-20
BOOTH, Martin James, Dr
director · British · appt 2017-09-13
SALTER, Patrick Stephen
director · British · appt 2017-09-13
VAUGHAN, Nigel Leslie Richard
director · British · appt 2024-07-10
WILES, Christopher John
director · British · appt 2022-06-24
PARKWALK ADVISORS LTD
corporate director · appt 2019-04-24
DIXON-CLEGG, Nicholas George(resigned)
director · British · appt 2020-08-06
KENDALL, Jonathan George(resigned)
director · British · appt 2021-05-28
MACKINNON, Lachlan Tom(resigned)
director · British · appt 2017-09-13
MAHONY, Oliver(resigned)
director · British · appt 2023-03-07
RIMMER, Andrew Neil(resigned)
director · British · appt 2017-07-20
SMITH, Alistair Ingram Chalmers, Dr(resigned)
director · British · appt 2017-09-13

Beneficial owners · PSC · 1 current

■
Parkwalk Advisors Ltd
corporate PSC · England · since 2022-06-23 · trace owners →
significant influence or control
■
Oxford Science Enterprises Plc
corporate PSC · England · ceased 2025-04-04 · trace owners →
25–50% shares
●
Dr Martin James Booth
individual PSC · United Kingdom · ceased 2017-09-13
25–50% shares
●
Mr Patrick Stephen Salter
individual PSC · United Kingdom · ceased 2017-09-13
25–50% shares

Persons with significant control, live from Companies House. Ceased entries are retained as ownership history.

FILING & COMPLIANCE

Accounts type: total exemption full
Last accounts: 2025-09-30
Accounts due: 2027-06-30
Confirmation stmt due: 2026-08-02overdue

/07

Directorship network

196 other roles

Where this entity’s officers also hold (or held) positions — the wider network reached through shared people. Roles are registry records, not a claim of control.

PARKWALK ADVISORS LTD

MOA TECHNOLOGY LIMITEDbeneficial owner
BRAMBLE ENERGY LIMITEDbeneficial owner
AQDOT LIMITEDbeneficial owner
IP GROUP PLCbeneficial owner
Ip2ipo Limitedbeneficial owner
SALUNDA LIMITEDbeneficial owner
PARAGRAF LIMITEDbeneficial owner
PREDICTIMMUNE LIMITEDbeneficial owner
PSYOMICS LTDbeneficial owner
ARKIVUM LIMITEDbeneficial owner
CAMBRIDGE TOUCH TECHNOLOGIES LTDbeneficial owner
CONGENICA LTDbeneficial owner
YASA LIMITEDbeneficial owner
8POWER LIMITEDbeneficial owner
CRYPTO QUANTIQUE LIMITEDbeneficial owner
IKAROVEC LIMITEDbeneficial owner
OXFORD ENDOVASCULAR LIMITEDbeneficial owner
OXFORD QUANTUM CIRCUITS LIMITEDbeneficial owner
CAMBRIDGE GAN DEVICES LIMITEDbeneficial owner
PERVASID LIMITEDbeneficial owner
MOA TECHNOLOGY LIMITEDbeneficial owner
8POWER LIMITEDbeneficial owner
METIR PLCbeneficial owner
IKAROVEC LIMITEDbeneficial owner
PARAGRAF LIMITEDbeneficial owner
BRAMBLE ENERGY LIMITEDbeneficial owner
LETTUS GROW LTDbeneficial owner
AQDOT LIMITEDbeneficial owner
CRYPTO QUANTIQUE LIMITEDbeneficial owner
IP GROUP PLCbeneficial owner
MOGRIFY LIMITEDbeneficial owner
CAMBRIDGE TOUCH TECHNOLOGIES LTDbeneficial owner
CONGENICA LTDbeneficial owner
ZOETIS SERVICES UK LIMITEDbeneficial owner
SYMETRICA LIMITEDbeneficial owner
OXFORD ENDOVASCULAR LIMITEDbeneficial owner
OXFORD ENDOVASCULAR LIMITEDbeneficial owner
PSYOMICS LTDbeneficial owner
Ip2ipo Limitedbeneficial owner
PERVASID LIMITEDbeneficial owner
MIND FOUNDRY LIMITEDbeneficial owner
SALUNDA LIMITEDbeneficial owner
OXFORD QUANTUM CIRCUITS LIMITEDbeneficial owner
YASA LIMITEDbeneficial owner
PREDICTIMMUNE LIMITEDbeneficial owner
ZOETIS SERVICES UK LIMITEDbeneficial owner
CAMBRIDGE GAN DEVICES LIMITEDbeneficial owner

OXFORD SCIENCE ENTERPRISES PLC

DARK HORSE TECHNOLOGIES LTDbeneficial owner
METABOARDS LIMITEDbeneficial owner
ANIMAL DYNAMICS LIMITEDbeneficial owner
SNOWFOX DISCOVERY LTDbeneficial owner
OSLER DIAGNOSTICS LIMITEDbeneficial owner
BARINTHUS BIOTHERAPEUTICS PLCbeneficial owner
SELOXIUM LIMITEDbeneficial owner
OXFORD FLOW LIMITEDbeneficial owner
ASCENSION EARTH RESOURCES LTDbeneficial owner
THEOLYTICS LTDbeneficial owner
COVATIC LTDbeneficial owner
FLUOROK LIMITEDbeneficial owner
BODLE TECHNOLOGIES LIMITEDbeneficial owner
MIROBIO LTDbeneficial owner
BIBLIU LIMITEDbeneficial owner
ARGONAUT THERAPEUTICS LIMITEDbeneficial owner
CREDO THERAPIES LTDbeneficial owner
WILD BIOSCIENCE LTDbeneficial owner
FRACTILE LTDbeneficial owner
NATURAL CAPITAL RESEARCH LIMITEDbeneficial owner
DIFFBLUE LIMITEDbeneficial owner
NUCLEOME THERAPEUTICS LIMITEDbeneficial owner
DJS ANTIBODIES LTDbeneficial owner
OMASS THERAPEUTICS LIMITEDbeneficial owner
MOA TECHNOLOGY LIMITEDbeneficial owner
OSE MANAGER LIMITEDbeneficial owner
IOTA SCIENCES LIMITEDbeneficial owner
ULTROMICS LIMITEDbeneficial owner
OXFORD NANOIMAGING LIMITEDbeneficial owner
LIVING OPTICS LIMITEDbeneficial owner
HEXR LTDbeneficial owner
SALIENCE LABS LTDbeneficial owner
QUANTUM MOTION TECHNOLOGIES LIMITEDbeneficial owner
ORFONYX BIO LTDbeneficial owner
ORBIT DISCOVERY GROUP LTDbeneficial owner
MODE LABS LTDbeneficial owner
MIXERGY LIMITEDbeneficial owner
PQSHIELD LTDbeneficial owner
XERION HEALTHCARE LIMITEDbeneficial owner
ARCHANGEL LIGHTWORKS LTDbeneficial owner
T-CYPHER BIO LIMITEDbeneficial owner
GROUND TRUTH LABS LTDbeneficial owner
ENZBOND LIMITEDbeneficial owner
CIRCADIAN THERAPEUTICS LIMITEDbeneficial owner
MACROPHOX LTDbeneficial owner
T-CYPHER BIO HOLDINGS LIMITEDbeneficial owner
OXFORD IONICS LIMITEDbeneficial owner
MIND FOUNDRY LIMITEDbeneficial owner
CARISTO DIAGNOSTICS LIMITEDbeneficial owner
AMBER THERAPEUTICS HOLDINGS LIMITEDbeneficial owner
SPYBIOTECH LIMITEDbeneficial owner
OXFORD QUANTUM CIRCUITS LIMITEDbeneficial owner
ALLOYED LIMITEDbeneficial owner
OXFORD SCIENCE ENTERPRISES HOLDINGS LIMITEDbeneficial owner
REFEYN LTDbeneficial owner
DARK BLUE THERAPEUTICS LTDbeneficial owner
EXACT SCIENCES INNOVATION, LTDbeneficial owner
OXFORD VR LIMITEDbeneficial owner
EVOX THERAPEUTICS LIMITEDbeneficial owner
OSE LABS LIMITEDbeneficial owner
SALIENCE LABS LTDbeneficial owner
OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITEDbeneficial owner
EVOLITO LTDbeneficial owner
PROXISENSE LIMITEDbeneficial owner
CREDO THERAPIES LTDbeneficial owner
OXFORD VR LIMITEDbeneficial owner
NAVENIO LIMITEDbeneficial owner
GROUND TRUTH LABS LTDbeneficial owner
OSE MANAGER LIMITEDbeneficial owner
KNEU HEALTH LIMITEDbeneficial owner
PROXISENSE LIMITEDbeneficial owner
ULTROMICS LIMITEDbeneficial owner
ANIMAL DYNAMICS LIMITEDbeneficial owner
CIRCADIAN THERAPEUTICS LIMITEDbeneficial owner
MIROBIO LTDbeneficial owner
THEOLYTICS LTDbeneficial owner
DJS ANTIBODIES LTDbeneficial owner
OSLER DIAGNOSTICS LIMITEDbeneficial owner
SPYBIOTECH LIMITEDbeneficial owner
EVOX THERAPEUTICS LIMITEDbeneficial owner
FRACTILE LTDbeneficial owner
ORBIT DISCOVERY GROUP LTDbeneficial owner
MOA TECHNOLOGY LIMITEDbeneficial owner
ISOGENIX LIMITEDbeneficial owner
DARK HORSE TECHNOLOGIES LTDbeneficial owner
MIROBIO LTDbeneficial owner
PQSHIELD LTDbeneficial owner
DIFFBLUE LIMITEDbeneficial owner
COVATIC LTDbeneficial owner
XERION HEALTHCARE LIMITEDbeneficial owner
OSI MIDCO LIMITEDbeneficial owner
FLUOROK LIMITEDbeneficial owner
T-CYPHER BIO HOLDINGS LIMITEDbeneficial owner
OXFORD QUANTUM CIRCUITS LIMITEDbeneficial owner
IOTA SCIENCES LIMITEDbeneficial owner
DARK BLUE THERAPEUTICS LTDbeneficial owner
MACROPHOX LTDbeneficial owner
REFEYN LTDbeneficial owner
EVOLITO LTDbeneficial owner
OMASS THERAPEUTICS LIMITEDbeneficial owner
BODLE TECHNOLOGIES LIMITEDbeneficial owner
OXFORD IONICS LIMITEDbeneficial owner
NAVENIO LIMITEDbeneficial owner
SELOXIUM LIMITEDbeneficial owner
OXFORD ENDOVASCULAR LIMITEDbeneficial owner
LIVING OPTICS LIMITEDbeneficial owner
MIND FOUNDRY LIMITEDbeneficial owner
ORFONYX BIO LTDbeneficial owner
KODIFORM THERAPEUTICS LIMITEDbeneficial owner
CORA BIOSCIENCES LIMITEDbeneficial owner
AMBER THERAPEUTICS HOLDINGS LIMITEDbeneficial owner
QUANTUM MOTION TECHNOLOGIES LIMITEDbeneficial owner
ALLOYED LIMITEDbeneficial owner
VIVID DX LIMITEDbeneficial owner
OSE LABS LIMITEDbeneficial owner
NUANCED BIO LTDbeneficial owner
DENSIX LIMITEDbeneficial owner
NATURAL CAPITAL RESEARCH LIMITEDbeneficial owner
ELIGENTIS LIMITEDbeneficial owner
MODE LABS LTDbeneficial owner
ASCENSION EARTH RESOURCES LTDbeneficial owner
OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITEDbeneficial owner
SALIENCE LABS LTDbeneficial owner
THELIOR BIO LIMITEDbeneficial owner
ACIONNA THERAPEUTICS LTDbeneficial owner
MARLEY HEALTH LTDbeneficial owner
ACIONNA THERAPEUTICS LTDbeneficial owner
NOTOS MEDICAL LIMITEDbeneficial owner
MIND FOUNDRY LIMITEDbeneficial owner
CAUDAL ENERGY LIMITEDbeneficial owner
DYNA THERAPEUTICS LIMITEDbeneficial owner
METABOARDS LIMITEDbeneficial owner
SNOWFOX DISCOVERY LTDbeneficial owner
NUCLEOME THERAPEUTICS LIMITEDbeneficial owner
ODQA RENEWABLE ENERGY TECHNOLOGIES LIMITEDbeneficial owner
ION THERAPEUTICS LIMITEDbeneficial owner
ARCHANGEL LIGHTWORKS LTDbeneficial owner
ARGONAUT THERAPEUTICS LIMITEDbeneficial owner
ENZBOND LIMITEDbeneficial owner
BIBLIU LIMITEDbeneficial owner
OXFORD NANOIMAGING LIMITEDbeneficial owner
BARINTHUS BIOTHERAPEUTICS (UK) LIMITEDbeneficial owner
MIROBIO LTDbeneficial owner
CARISTO DIAGNOSTICS LIMITEDbeneficial owner
EXACT SCIENCES INNOVATION, LTDbeneficial owner
OXFORD FLOW LIMITEDbeneficial owner
MIXERGY LIMITEDbeneficial owner
WILD BIOSCIENCE LTDbeneficial owner
OXFORD SCIENCE ENTERPRISES HOLDINGS LIMITEDbeneficial owner

Community intel

Crowd leads · unverified

Tips, corrections and leads contributed by the community on OPSYDIA LIMITED. These are unverified leads, not WhiteIntel findings — we surface them for investigators to chase, and analyse the corroborated ones into SnitchScore.

Loading tips…

GET THE FULL DOSSIER

The complete file, cited.

Everything we hold on OPSYDIA LIMITED, resolved and sourced — yours to keep, no subscription.

UBO trace
same-address
Branded PDF + un-redacted JSON · every claim linked to its source
Re-download for 90 days

UBO trace · same-address

Guest checkout · email only · re-download 90 days. Or subscribe from €149.

PROVENANCE

WHAT YOU CAN SEEFREE

YOURS NOW · FREE4

Identity, address & registry profile
Sanctions & watchlist detail
Direct connections (1 hop)
Community notes

BEHIND THE GLASS7

Full ownership trace to the UBOStandard
Financial history / periodic reportsStandard
Cross-source resolution & same-addressStandard
Property holdings (UK)Premium
Linked vessels & aircraftPremium
Adverse-media & person enrichmentPremium
Full export (PDF + un-redacted JSON) & change alertsPremium

See what unlocking adds

AGENT-NATIVE

Pull this dossier from any agent:

get_dossier(id: "dc28908e-b51b-504e-b4f2-31b9f556b160")