---
title: "NEPHROSTOMY UK LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f2b5d8d3-c21c-5044-9fe7-80c85bbdf950
json: https://whiteintel.dev/api/public/dossier/f2b5d8d3-c21c-5044-9fe7-80c85bbdf950
identifier: oo:GB-COH-12131274
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NEPHROSTOMY UK LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12131274`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f2b5d8d3-c21c-5044-9fe7-80c85bbdf950  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f2b5d8d3-c21c-5044-9fe7-80c85bbdf950  

## Ownership & control

### Owners / controllers

- **Mr Barry Kaighin** (beneficial owner) — 50% — https://whiteintel.dev/entity/7f3d7c1d-915c-520f-acc6-cd85381867c8
- **OPTIMUM MEDICAL SOLUTIONS LEEDS LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/57565328-e618-5389-8ca7-2fa81522833e
- **Mr Lewis Norman Calcutt** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/46f74707-a480-441a-835f-edcc6fba5dfe
- **Mr Barry Kaighin** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/41b24647-06c7-4005-a2e3-c8f03f75c53e
- **OPTIMUM MEDICAL SOLUTIONS LEEDS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/57565328-e618-5389-8ca7-2fa81522833e

### 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:** `12131274`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-07-31
- **Registered office:** High Barn, High Barn Road, Leatherhead, Surrey, KT24 5PR
- **SIC:** 47749

### Officers

- CALCUTT, Lewis Norman — director · British · appointed 2019-07-31
- KAIGHIN, Barry — director · British · appointed 2019-09-15
- RIMMINGTON, Gareth Alexander — director · British · appointed 2023-06-26

### Beneficial owners (Persons with Significant Control)

- [Optimum Medical Solutions Leeds Limited](https://whiteintel.dev/entity/57565328-e618-5389-8ca7-2fa81522833e) — 25–50% shares · corporate PSC · United Kingdom — since 2023-06-16
- Mr Barry Kaighin — 25–50% shares · individual PSC · Isle Of Man — since 2021-02-09
- Mr Lewis Norman Calcutt — 25–50% shares · individual PSC · England — since 2019-07-31

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12131274
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12131274

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NEPHROSTOMY UK LTD**. Human view: https://whiteintel.dev/entity/f2b5d8d3-c21c-5044-9fe7-80c85bbdf950 · Structured JSON: https://whiteintel.dev/api/public/dossier/f2b5d8d3-c21c-5044-9fe7-80c85bbdf950._

_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"._