---
title: "PHOSPHONICS HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3deb6f00-ff66-5eaf-a9dd-6dcebfa193db
json: https://whiteintel.dev/api/public/dossier/3deb6f00-ff66-5eaf-a9dd-6dcebfa193db
identifier: oo:GB-COH-11830856
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PHOSPHONICS HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11830856`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3deb6f00-ff66-5eaf-a9dd-6dcebfa193db  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3deb6f00-ff66-5eaf-a9dd-6dcebfa193db  

## Ownership & control

### Owners / controllers

- **GATELEY INCORPORATIONS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/2c50bd98-5ff3-57a0-8604-ac87fdd61221
- **Mr James Bryce** (beneficial owner) — 50% — https://whiteintel.dev/entity/0fd3aed5-48f5-534b-832c-5604821d218a
- **Gateley Incorporations Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/efa766cc-04e2-46b9-a9c6-c8a4bb6db2c8
- **Dr Vanessa Mary Eastwick-Field** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fc586f87-48a6-43d8-85fb-6dc14c3fa161
- **Mr James Bryce** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/17cdedbe-69a3-4182-9b96-1336e8331b28

### Holdings / subsidiaries

- **PHOSPHONICS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/ce2ee4c4-bdc1-5430-92c4-3faa8a3db026
- **PHOSPHONICS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ce2ee4c4-bdc1-5430-92c4-3faa8a3db026

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

A **13-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:** `11830856`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-02-18
- **Registered office:** Unit 7, The Quadrangle Downsview Road, Grove Business Park, Wantage, Oxon, OX12 9FA, England
- **SIC:** 74990

### Officers

- BRYCE, James — director · British · appointed 2019-05-14
- EASTWICK-FIELD, Vanessa Mary, Dr — director · British · appointed 2019-03-29
- ROBBINS, Mark Ian — director · British · appointed 2019-05-14
- GATELEY SECRETARIES LIMITED — corporate secretary · appointed 2019-02-18 · resigned 2019-03-29
- WARD, Michael James — director · British · appointed 2019-02-18 · resigned 2019-03-29
- [GATELEY INCORPORATIONS LIMITED](https://whiteintel.dev/entity/efa766cc-04e2-46b9-a9c6-c8a4bb6db2c8) — corporate director · appointed 2019-02-18 · resigned 2019-03-29

### Beneficial owners (Persons with Significant Control)

- Mr James Bryce — 25–50% shares · individual PSC · England — since 2019-05-14
- Dr Vanessa Mary Eastwick-Field — 25–50% shares · individual PSC · England — since 2019-03-29
- [Gateley Incorporations Limited](https://whiteintel.dev/entity/efa766cc-04e2-46b9-a9c6-c8a4bb6db2c8) — 75–100% shares · corporate PSC · United Kingdom — ceased 2019-03-29

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11830856
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11830856

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PHOSPHONICS HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/3deb6f00-ff66-5eaf-a9dd-6dcebfa193db · Structured JSON: https://whiteintel.dev/api/public/dossier/3deb6f00-ff66-5eaf-a9dd-6dcebfa193db._

_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"._