---
title: "PCB BYRNE LLP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/90caa66e-f95d-5446-a5f1-e3452a9fc992
json: https://whiteintel.dev/api/public/dossier/90caa66e-f95d-5446-a5f1-e3452a9fc992
identifier: oo:GB-COH-OC322793
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PCB BYRNE LLP

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-OC322793`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/90caa66e-f95d-5446-a5f1-e3452a9fc992  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/90caa66e-f95d-5446-a5f1-e3452a9fc992  

## Ownership & control

### Owners / controllers

- **Mr Trevor Andrew Mascarenhas** (beneficial owner) — 50% — https://whiteintel.dev/entity/77fbb034-f198-5c32-9a04-516bdc1e00c5
- **Mr Anthony John Riem** (beneficial owner) — 50% — https://whiteintel.dev/entity/bbc3078f-45af-5a1f-9a3e-cc7177f04d9c
- **BURFORD CAPITAL HOLDINGS (UK) LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/067230ea-0bb1-5fce-9bd8-62abf33d57b3
- **Mr Steven Nathan Philippsohn** (beneficial owner) — 75% — https://whiteintel.dev/entity/ee3bfe01-7878-5b87-b50c-6e19dffef0f7
- **Mr Anthony John Riem** (beneficial owner) — https://whiteintel.dev/entity/6b74b97d-e06a-48ba-a762-247b55ab9ac0
- **Mr Trevor Andrew Mascarenhas** (beneficial owner) — https://whiteintel.dev/entity/ef646262-36ce-4ce0-a729-01dde72c9ea5
- **Mr Steven Nathan Philippsohn** (beneficial owner) — https://whiteintel.dev/entity/6e1795d0-147f-440a-923d-6e35f6060303
- **BURFORD CAPITAL HOLDINGS (UK) LIMITED** (beneficial owner) — https://whiteintel.dev/entity/067230ea-0bb1-5fce-9bd8-62abf33d57b3

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

A **11-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:** `OC322793`
- **Status:** active
- **Type:** llp
- **Incorporated:** 2006-09-29
- **Registered office:** 4th Floor 33 Gutter Lane, London, EC2V 8AS, United Kingdom

### Officers

- MASCARENHAS, Trevor Andrew — llp designated member · appointed 2006-09-29
- RIEM, Anthony John — llp designated member · appointed 2006-09-29
- TEASDALE, Sara Therese — llp designated member · appointed 2021-04-01
- BISCHOF, Olga — llp member · appointed 2024-06-01
- BROOKS, Emma Charlotte — llp member · appointed 2024-06-01
- COLLEDGE, Simon William — llp member · appointed 2025-02-03
- DAVIES, Benjamin Paul — llp member · appointed 2021-04-01
- JOHNSON, David William — llp member · appointed 2026-06-01
- MACMILLAN, Bruce Islay — llp member · appointed 2026-06-01
- POTTS, Michael John — llp member · appointed 2021-04-01
- RACTLIFF, Nicholas David — llp member · appointed 2017-07-28
- WESCOTT, Matthew Graham — llp member · appointed 2025-03-17
- [BURFORD CAPITAL HOLDINGS (UK) LIMITED](https://whiteintel.dev/entity/067230ea-0bb1-5fce-9bd8-62abf33d57b3) — corporate llp member · appointed 2020-06-22
- PHILIPPSOHN, Steven Nathan — llp designated member · appointed 2006-09-29 · resigned 2019-06-28
- BOULTON, Nicola Jane — llp member · appointed 2021-04-01 · resigned 2024-07-31
- FRANKLAND, Matthew Paul — llp member · appointed 2021-04-01 · resigned 2026-05-31
- SEBORG, Elizabeth Ann — llp member · appointed 2021-04-01 · resigned 2025-04-30

### Beneficial owners (Persons with Significant Control)

- [Burford Capital Holdings (Uk) Limited](https://whiteintel.dev/entity/067230ea-0bb1-5fce-9bd8-62abf33d57b3) — 25–50% shares · corporate PSC · England — ceased 2021-03-31
- Mr Anthony John Riem — 25–50% votes · individual PSC · England — ceased 2021-03-31
- Mr Trevor Andrew Mascarenhas — 25–50% votes · individual PSC · England — ceased 2021-03-31
- Mr Steven Nathan Philippsohn — 50–75% votes · individual PSC — ceased 2019-06-28

## Exposure (derived from the ownership graph)

**1** owner upstream in this entity's ownership/control chain is flagged — a sanctions hit or a secrecy jurisdiction — an investigative lead by resolved identity, not a legal determination. The contributing parties and the hop-by-hop path unlock with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/OC322793
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/OC322793

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PCB BYRNE LLP**. Human view: https://whiteintel.dev/entity/90caa66e-f95d-5446-a5f1-e3452a9fc992 · Structured JSON: https://whiteintel.dev/api/public/dossier/90caa66e-f95d-5446-a5f1-e3452a9fc992._

_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"._