---
title: "JSM ANAESTHETICS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3914ff79-e01b-5894-99dc-074002324bfd
json: https://whiteintel.dev/api/public/dossier/3914ff79-e01b-5894-99dc-074002324bfd
identifier: oo:GB-COH-07988256
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# JSM ANAESTHETICS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-07988256`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3914ff79-e01b-5894-99dc-074002324bfd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3914ff79-e01b-5894-99dc-074002324bfd  

## Ownership & control

### Owners / controllers

- **Dr Susan Emily Huggard** (beneficial owner) — 75% — https://whiteintel.dev/entity/78f5daf4-b5dc-555f-a04e-988104e048e1
- **Dr James Stephen Mason** (beneficial owner) — 50% — https://whiteintel.dev/entity/08c93a2e-b945-501c-8180-7ded87749e56
- **Dr Susan Emily Huggard** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/bc0b76d8-ce2f-4bd8-9a69-610f52c35cfc
- **Dr James Stephen Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/96f27ebc-33cd-4287-9f93-f324a9093e5b

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

1. **Dr Susan Emily Huggard** — beneficial owner 75% → *JSM ANAESTHETICS LIMITED*
1. **Dr James Stephen Mason** — beneficial owner 50% → *JSM ANAESTHETICS LIMITED*
1. **Dr Susan Emily Huggard** — beneficial owner 62.5% → *JSM ANAESTHETICS LIMITED*
1. **Dr James Stephen Mason** — beneficial owner 37.5% → *JSM ANAESTHETICS LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `07988256`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2012-03-13
- **Registered office:** 75a Westgate, Southwell, NG25 0LD
- **SIC:** 86900

### Officers

- HUGGARD, Susan Emily, Dr — director · British · appointed 2018-09-13
- MASON, James Stephen, Dr — director · British · appointed 2012-03-13

### Beneficial owners (Persons with Significant Control)

- Dr Susan Emily Huggard — 50–75% shares · individual PSC — since 2020-01-17
- Dr James Stephen Mason — 25–50% shares · individual PSC — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07988256
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07988256

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **JSM ANAESTHETICS LIMITED**. Human view: https://whiteintel.dev/entity/3914ff79-e01b-5894-99dc-074002324bfd · Structured JSON: https://whiteintel.dev/api/public/dossier/3914ff79-e01b-5894-99dc-074002324bfd._

_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"._