---
title: "JUPITER 1 TOPCO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d2e156cd-cb95-5994-8ddb-eae590157f80
json: https://whiteintel.dev/api/public/dossier/d2e156cd-cb95-5994-8ddb-eae590157f80
identifier: oo:GB-COH-15791032
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# JUPITER 1 TOPCO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-15791032`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d2e156cd-cb95-5994-8ddb-eae590157f80  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d2e156cd-cb95-5994-8ddb-eae590157f80  

## Ownership & control

### Owners / controllers

- **EXPONENT PRIVATE EQUITY (HOLDINGS) LLP** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/12052050-1325-510e-b348-57256a3e28d2

### Holdings / subsidiaries

- **JUPITER 1 BIDCO LIMITED** (beneficial owner) — https://whiteintel.dev/entity/aa7caa02-7b07-5381-a1f0-786335351eb1
- **JUPITER 1 HOLDCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/215f2fcc-a9f8-5284-83ec-b6b8f0eb8a80
- **JUPITER 1 MIDCO LIMITED** (beneficial owner) — https://whiteintel.dev/entity/5f3974ab-3a1c-5daf-bf45-e509a7bcb965
- **JUPITER 1 MIDCO LIMITED** (beneficial owner) — https://whiteintel.dev/entity/5f3974ab-3a1c-5daf-bf45-e509a7bcb965
- **JUPITER 1 HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/215f2fcc-a9f8-5284-83ec-b6b8f0eb8a80
- **JUPITER 1 BIDCO LIMITED** (beneficial owner) — https://whiteintel.dev/entity/aa7caa02-7b07-5381-a1f0-786335351eb1

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

A **13-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:** `15791032`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-06-20
- **Registered office:** Augustine House C/O A&L Goodbody, Austin Friars, London, EC2N 2HA, England
- **SIC:** 64209

### Officers

- LENANE, James Richard St John — director · British · appointed 2024-06-20
- MACSORLEY, Raymond, Mr. — director · Irish · appointed 2024-08-08
- MCGOVERN, David — director · Irish · appointed 2024-06-20
- O'NEILL, Mark — director · Irish · appointed 2026-04-01
- REGAN, Mark Simon — director · British · appointed 2024-08-08
- REGEUR, Jeroen Bernard Sebastian — director · Dutch · appointed 2024-06-20
- SONGRA, Ashok Kumar, Dr — director · British · appointed 2024-08-08
- THARMARATNAM, Suresh — director · British · appointed 2024-08-08
- WALL, Niall James — director · Irish · appointed 2025-07-16
- MACARTNEY, Jeremy Wilson — director · British · appointed 2024-08-08 · resigned 2026-04-01

### Beneficial owners (Persons with Significant Control)

- [Exponent Private Equity (Holdings) Llp](https://whiteintel.dev/entity/12052050-1325-510e-b348-57256a3e28d2) — 25–50% shares · corporate PSC · United Kingdom — since 2024-06-20

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15791032
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15791032

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **JUPITER 1 TOPCO LIMITED**. Human view: https://whiteintel.dev/entity/d2e156cd-cb95-5994-8ddb-eae590157f80 · Structured JSON: https://whiteintel.dev/api/public/dossier/d2e156cd-cb95-5994-8ddb-eae590157f80._

_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"._