---
title: "SATURN HOLDCO 1 LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3d8a05d0-a99f-5c8a-9fbd-142e96ed2cf5
json: https://whiteintel.dev/api/public/dossier/3d8a05d0-a99f-5c8a-9fbd-142e96ed2cf5
identifier: oo:GB-COH-13158003
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SATURN HOLDCO 1 LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-13158003`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3d8a05d0-a99f-5c8a-9fbd-142e96ed2cf5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3d8a05d0-a99f-5c8a-9fbd-142e96ed2cf5  

## Ownership & control

### Owners / controllers

- **CSC CORPORATE SERVICES (LONDON) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b5a26a61-1156-57c9-ba6c-cee46a99906b
- **Csc Corporate Services (London) Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ea83755d-1f7e-461c-9df4-0fd169418d3f

### Holdings / subsidiaries

- **SATURN ASSETCO 1 LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/6657472b-c2ac-557c-aac8-ea0fec9a66a2
- **SATURN ISSUERCO 1 LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/f5d0ebd8-551e-5d1e-b431-049278abfea8
- **SATURN ASSETCO 1 LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/6657472b-c2ac-557c-aac8-ea0fec9a66a2
- **SATURN ISSUERCO 1 LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f5d0ebd8-551e-5d1e-b431-049278abfea8

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

1. **CSC CORPORATE SERVICES (LONDON) LIMITED** — beneficial owner 100% → *SATURN HOLDCO 1 LIMITED*
1. **Csc Corporate Services (London) Limited** — beneficial owner 87.5% → *SATURN HOLDCO 1 LIMITED*
2. **CSC MANAGEMENT SERVICES (UK) LIMITED** — beneficial owner 100% → *CSC CORPORATE SERVICES (LONDON) LIMITED*
2. **CSC MANAGEMENT SERVICES (UK) LIMITED** — beneficial owner 87.5% → *CSC CORPORATE SERVICES (LONDON) LIMITED*
3. **BIPLANE BIDCO (UK) LIMITED** — beneficial owner 100% → *CSC MANAGEMENT SERVICES (UK) LIMITED*
3. **CSC ITG HOLDINGS LIMITED** — beneficial owner 87.5% → *CSC MANAGEMENT SERVICES (UK) LIMITED*
3. **BIPLANE BIDCO (UK) LIMITED** — beneficial owner 87.5% → *CSC MANAGEMENT SERVICES (UK) LIMITED*
4. **Hna Group Limited** — beneficial owner 87.5% → *CSC ITG HOLDINGS LIMITED*
4. **CSC CLS (UK) LIMITED** — beneficial owner 100% → *BIPLANE BIDCO (UK) LIMITED*
5. **CSC ITG HOLDINGS LIMITED** — beneficial owner 87.5% → *CSC CLS (UK) LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `13158003`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-01-26
- **Registered office:** 5 Churchill Place, 10th Floor, London, E14 5HU, United Kingdom
- **SIC:** 64999

### Officers

- [CSC CORPORATE SERVICES (LONDON) LIMITED](https://whiteintel.dev/entity/ea83755d-1f7e-461c-9df4-0fd169418d3f) — corporate secretary · appointed 2021-01-26
- WHITAKER, Paivi Helena — director · Finnish · appointed 2021-01-26
- [CSC DIRECTORS (NO.3) LIMITED](https://whiteintel.dev/entity/8ea3263c-2586-5156-ba50-19a70a7ebf1f) — corporate director · appointed 2021-01-26
- [CSC DIRECTORS (NO.4) LIMITED](https://whiteintel.dev/entity/bc495d19-54c8-5c8f-8810-add27dcca8cf) — corporate director · appointed 2021-01-26

### Beneficial owners (Persons with Significant Control)

- [Csc Corporate Services (London) Limited](https://whiteintel.dev/entity/ea83755d-1f7e-461c-9df4-0fd169418d3f) — 75–100% shares · corporate PSC · United Kingdom — since 2021-01-26

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13158003

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SATURN HOLDCO 1 LIMITED**. Human view: https://whiteintel.dev/entity/3d8a05d0-a99f-5c8a-9fbd-142e96ed2cf5 · Structured JSON: https://whiteintel.dev/api/public/dossier/3d8a05d0-a99f-5c8a-9fbd-142e96ed2cf5._

_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"._