---
title: "SIENNA MIDCO 2 LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cd67af10-4df0-5fcb-8cb4-57f41ed08246
json: https://whiteintel.dev/api/public/dossier/cd67af10-4df0-5fcb-8cb4-57f41ed08246
identifier: oo:GB-COH-15310672
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIENNA MIDCO 2 LIMITED

**Type:** Company  
**Identifier:** `oo:GB-COH-15310672`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cd67af10-4df0-5fcb-8cb4-57f41ed08246  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cd67af10-4df0-5fcb-8cb4-57f41ed08246  

## Ownership & control

### Owners / controllers

- **Kkr & Co. Inc.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bcdab458-f5e6-48bf-b6ca-3f23c40e1afd

### Holdings / subsidiaries

- **SIENNA MIDCO 3 LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e12087c0-8a7f-51bc-8f18-84e41b500b6e
- **CYRUS BIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/46352dc1-9337-59d2-8ee2-ebf5a42be0a4

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

A **1-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:** `15310672`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2023-11-27
- **Registered office:** PRENNAU HOUSE COPSE WALK, PONTPRENNAU, CARDIFF, CF23 8XH
- **SIC:** 64209 - Activities of other holding companies n.e.c.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15310672
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15310672

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIENNA MIDCO 2 LIMITED**. Human view: https://whiteintel.dev/entity/cd67af10-4df0-5fcb-8cb4-57f41ed08246 · Structured JSON: https://whiteintel.dev/api/public/dossier/cd67af10-4df0-5fcb-8cb4-57f41ed08246._

_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"._