---
title: "PORTERHOUSE MEDICAL GROUP LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/82719c8f-a60f-5e65-8157-8fe5e92feec9
json: https://whiteintel.dev/api/public/dossier/82719c8f-a60f-5e65-8157-8fe5e92feec9
identifier: oo:GB-COH-10974201
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PORTERHOUSE MEDICAL GROUP LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10974201`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/82719c8f-a60f-5e65-8157-8fe5e92feec9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/82719c8f-a60f-5e65-8157-8fe5e92feec9  

## Ownership & control

### Owners / controllers

- **Mr Jon Anthony Hallows** (beneficial owner) — 50% — https://whiteintel.dev/entity/76739f96-ecf7-5795-8433-c49fef8f0a72
- **Mr Brian Nicholas Parsons** (beneficial owner) — 50% — https://whiteintel.dev/entity/cc7abc82-13bd-515a-bbb8-39c750a5da44
- **SCIRIS GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/36648b6b-6401-5c99-894d-3f045a778b7a
- **Mr Jon Anthony Hallows** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/37948c76-cf64-4c93-b81d-11a91f970b61
- **Mr Brian Nicholas Parsons** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/636eb9f0-4adc-488a-86e5-2697c307f961

### Holdings / subsidiaries

- **PORTERHOUSE INSIGHTS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/33000255-7c29-5618-8a08-8fb05b876f4c
- **PORTERHOUSE MEDICAL LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d05ba82b-7019-5cd7-abd6-fa6732d365a7
- **PORTERHOUSE INSIGHTS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/33000255-7c29-5618-8a08-8fb05b876f4c

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

A **9-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:** `10974201`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-09-21
- **Registered office:** 4 Windsor Square, Silver Street, Reading, Berkshire, RG1 2TH, United Kingdom
- **SIC:** 70210

### Officers

- CARRODUS, Andrea — director · British · appointed 2024-07-23
- EVANS, James — director · British · appointed 2025-06-24
- HALLOWS, Jon Anthony — director · British · appointed 2017-09-21
- SPACIE, Dan — director · British · appointed 2024-07-23
- WASHER, Alison — director · British · appointed 2024-07-23
- BATLEY, Isaac David Joseph — director · British · appointed 2023-01-23 · resigned 2024-07-03
- COULDERY, Susan Jane — director · British · appointed 2022-01-05 · resigned 2023-08-17
- PARSONS, Brian Nicholas — director · British · appointed 2017-09-21 · resigned 2023-08-01
- STRICKER, Maria — director · British · appointed 2023-08-10 · resigned 2023-12-01

### Beneficial owners (Persons with Significant Control)

- [Sciris Group Limited](https://whiteintel.dev/entity/36648b6b-6401-5c99-894d-3f045a778b7a) — 75–100% shares · corporate PSC · United Kingdom — since 2020-07-30
- Mr Jon Anthony Hallows — 25–50% shares · individual PSC · United Kingdom — ceased 2020-07-30
- Mr Brian Nicholas Parsons — 25–50% shares · individual PSC · United Kingdom — ceased 2020-07-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10974201
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10974201

## 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 **PORTERHOUSE MEDICAL GROUP LTD** — https://whiteintel.dev/entity/82719c8f-a60f-5e65-8157-8fe5e92feec9 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PORTERHOUSE MEDICAL GROUP LTD**. Human view: https://whiteintel.dev/entity/82719c8f-a60f-5e65-8157-8fe5e92feec9 · Structured JSON: https://whiteintel.dev/api/public/dossier/82719c8f-a60f-5e65-8157-8fe5e92feec9._

_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"._