---
title: "ROCK BIDCO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/229084e0-7859-5eb2-be07-bd48aca4e5da
json: https://whiteintel.dev/api/public/dossier/229084e0-7859-5eb2-be07-bd48aca4e5da
identifier: oo:GB-COH-15726438
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ROCK BIDCO LIMITED

**Type:** Company  
**Identifier:** `oo:GB-COH-15726438`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/229084e0-7859-5eb2-be07-bd48aca4e5da  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/229084e0-7859-5eb2-be07-bd48aca4e5da  

## Ownership & control

### Owners / controllers

- **Sony Group Corporation** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/5f5b0f69-7bbc-457f-91f1-020dbf563834

### Holdings / subsidiaries

- **MERCURY SONGS DEMERGED HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f7017bb7-12c4-58a1-8125-cadd9d3c66e5
- **NIGHTJAR DEMERGED HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/9dbb5b9d-e1df-5b58-a929-46f0a2b26eac
- **DUCK DEMERGED HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d35d0436-6f09-54df-a5a1-767c5a71955d
- **GOLDFINCH PRODUCTIONS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b7ee3d4a-ff38-5644-a4f4-2a2449b78061
- **GOOSE PRODUCTIONS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/84e25943-0cef-5a3b-bccc-a548a56198f5
- **QUEEN PRODUCTIONS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/7927bb0c-0260-55b2-8be6-4413112337a2
- **QUEEN MUSIC LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4ea987cf-ab97-5ffe-9f0d-23b6c14194e7

### 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:** `15726438`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2024-05-17
- **Registered office:** 2 CANAL REACH, LONDON, N1C 4DB
- **SIC:** 64209 - Activities of other holding companies n.e.c.

## Financials (Companies House accounts)

| Figure | 2025-06-30 |
|---|---:|
| Profit / (loss) | £44,624,000 |
| Net assets | £1,084,717,000 |
| Shareholder funds | £0 |
| Fixed assets | £1,061,321,000 |
| Employees | 0 |

_Latest filed period. As filed at Companies House._

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15726438
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15726438
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/15726438/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ROCK BIDCO LIMITED**. Human view: https://whiteintel.dev/entity/229084e0-7859-5eb2-be07-bd48aca4e5da · Structured JSON: https://whiteintel.dev/api/public/dossier/229084e0-7859-5eb2-be07-bd48aca4e5da._

_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"._