---
title: "INTERNATIONAL SCIENTIFIC SUPPLIES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7331c2b4-e237-5a37-809b-bc3c05a1f27b
json: https://whiteintel.dev/api/public/dossier/7331c2b4-e237-5a37-809b-bc3c05a1f27b
identifier: oo:GB-COH-04373041
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# INTERNATIONAL SCIENTIFIC SUPPLIES LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-04373041`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7331c2b4-e237-5a37-809b-bc3c05a1f27b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7331c2b4-e237-5a37-809b-bc3c05a1f27b  

## Ownership & control

### Owners / controllers

- **STH PLASTICS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/5f16b1e9-8dfb-5ce9-85fd-4bfd6e7e3aa7
- **Mr Samuel Thomas Hill** (beneficial owner) — 100% — https://whiteintel.dev/entity/5accd283-d67c-5fa2-a1f0-e8713723e3cb
- **Mrs Jean Mary Trowbridge** (beneficial owner) — 100% — https://whiteintel.dev/entity/9dccb90d-e7de-53a0-9133-6ba8de48e9f0
- **Mrs Jean Mary Trowbridge** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fcaf218f-cedf-41c2-b79b-d1ac343fb0b7

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

1. **STH PLASTICS LIMITED** — beneficial owner 100% → *INTERNATIONAL SCIENTIFIC SUPPLIES LIMITED*
1. **Mr Samuel Thomas Hill** — beneficial owner 100% → *INTERNATIONAL SCIENTIFIC SUPPLIES LIMITED*
1. **Mrs Jean Mary Trowbridge** — beneficial owner 100% → *INTERNATIONAL SCIENTIFIC SUPPLIES LIMITED*
1. **Mrs Jean Mary Trowbridge** — beneficial owner 87.5% → *INTERNATIONAL SCIENTIFIC SUPPLIES LIMITED*
2. **Mrs Penelope Jane Hill** — beneficial owner 50% → *STH PLASTICS LIMITED*
2. **Mr Samuel Thomas Hill** — beneficial owner 50% → *STH PLASTICS LIMITED*
2. **Mrs Penelope Jane Hill** — beneficial owner 37.5% → *STH PLASTICS LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `04373041`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2002-02-13
- **Registered office:** Unit 6 Valley Road, Bradford, BD1 4RU, England
- **SIC:** 21100

### Officers

- LEONARD, Lorna — secretary · appointed 2023-11-14
- GRIFFITHS, David — director · British · appointed 2022-12-01
- HILL, Samuel Thomas — director · British · appointed 2021-10-29
- JARVIS, Benjamin Richard — director · British · appointed 2024-10-14
- BRIGHTEN, Michael William — secretary · British · appointed 2004-04-01 · resigned 2022-11-30
- TROWBRIDGE, John Barry — secretary · British · appointed 2002-02-20 · resigned 2004-04-01
- SECRETARIAL APPOINTMENTS LIMITED — corporate nominee secretary · appointed 2002-02-13 · resigned 2002-02-20
- BUCKLEY, Christopher — director · British · appointed 2002-02-20 · resigned 2021-10-11
- HUGHES, Kelly Ann — director · British · appointed 2022-01-31 · resigned 2022-11-30
- LITTLEWOOD, Andrew — director · British · appointed 2021-04-01 · resigned 2025-01-30
- TROWBRIDGE, Jean Margaret — director · British · appointed 2021-03-09 · resigned 2021-10-29
- TROWBRIDGE, John Barry — director · British · appointed 2002-02-20 · resigned 2021-04-01
- CORPORATE APPOINTMENTS LIMITED — corporate nominee director · appointed 2002-02-13 · resigned 2002-02-20

### Beneficial owners (Persons with Significant Control)

- [Sth Plastics Ltd](https://whiteintel.dev/entity/5f16b1e9-8dfb-5ce9-85fd-4bfd6e7e3aa7) — 75–100% shares · corporate PSC · United Kingdom — since 2021-11-01
- Mr Samuel Thomas Hill — 25–50% shares · individual PSC · England — since 2021-10-29
- Mrs Jean Mary Trowbridge — 75–100% shares · individual PSC — ceased 2021-10-29

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04373041

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **INTERNATIONAL SCIENTIFIC SUPPLIES LIMITED**. Human view: https://whiteintel.dev/entity/7331c2b4-e237-5a37-809b-bc3c05a1f27b · Structured JSON: https://whiteintel.dev/api/public/dossier/7331c2b4-e237-5a37-809b-bc3c05a1f27b._

_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"._