---
title: "OPIANT PHARMACEUTICALS UK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6f065530-4c4f-5a09-aa25-e977f0235298
json: https://whiteintel.dev/api/public/dossier/6f065530-4c4f-5a09-aa25-e977f0235298
identifier: oo:GB-COH-10463071
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# OPIANT PHARMACEUTICALS UK LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10463071`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6f065530-4c4f-5a09-aa25-e977f0235298  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6f065530-4c4f-5a09-aa25-e977f0235298  

## Ownership & control

### Owners / controllers

- **INDIVIOR UK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/8d36af52-5c63-5c9c-8234-300bbfe9ead4
- **RBP GLOBAL HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/94cc3a64-2745-57cc-8161-e0a42d58c42e
- **Dr Michael Jeffrey Sinclair** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/8a74e142-9f93-44f6-887d-6ca953956f54
- **Roger Crystal** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/2c70002c-8d53-4647-a77f-091ddc22750f
- **Geoffrey Charles Wolf** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d42689af-68ea-40a1-a1fb-d5fdc873f623
- **RBP GLOBAL HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/94cc3a64-2745-57cc-8161-e0a42d58c42e
- **INDIVIOR UK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8d36af52-5c63-5c9c-8234-300bbfe9ead4

### UBO chain (walk to the ultimate owner)

A **18-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `10463071`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-11-04
- **Registered office:** Indivior, Dansom Lane, Hull, HU8 7DS, United Kingdom
- **SIC:** 21200

### Officers

- BARBATO, Jerry — director · American · appointed 2025-12-15
- WILSON, Adam — director · American · appointed 2025-12-15
- CRYSTAL, Roger — director · British · appointed 2017-07-07 · resigned 2023-03-02
- HUDSON, Kathryn Barbara — director · British · appointed 2023-03-02 · resigned 2025-05-08
- LUCAS, Steven — director · British · appointed 2025-05-08 · resigned 2025-12-15
- O'TOOLE, David — director · American · appointed 2017-09-12 · resigned 2023-03-02
- POLLACK, Kevin Andrew — director · American · appointed 2016-11-04 · resigned 2017-09-11
- SHEPPARD, Abigail Christine — director · British · appointed 2023-03-02 · resigned 2025-12-15

### Beneficial owners (Persons with Significant Control)

- [Indivior Uk Limited](https://whiteintel.dev/entity/8d36af52-5c63-5c9c-8234-300bbfe9ead4) — 75–100% shares · corporate PSC · United Kingdom — since 2023-05-31
- [Rbp Global Holdings Limited](https://whiteintel.dev/entity/94cc3a64-2745-57cc-8161-e0a42d58c42e) — 75–100% shares · corporate PSC · United Kingdom — ceased 2023-05-31
- Dr Michael Jeffrey Sinclair — 25–50% shares · individual PSC · United Kingdom — ceased 2023-03-02
- Roger Crystal — 25–50% shares · individual PSC · United Kingdom — ceased 2023-03-02
- Geoffrey Charles Wolf — 25–50% shares · individual PSC · United Kingdom — ceased 2023-03-02

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10463071
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10463071

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **OPIANT PHARMACEUTICALS UK LIMITED** — https://whiteintel.dev/entity/6f065530-4c4f-5a09-aa25-e977f0235298 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **OPIANT PHARMACEUTICALS UK LIMITED**. Human view: https://whiteintel.dev/entity/6f065530-4c4f-5a09-aa25-e977f0235298 · Structured JSON: https://whiteintel.dev/api/public/dossier/6f065530-4c4f-5a09-aa25-e977f0235298._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._