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Company · London

Jupiter 1 Topco Limited

Activities of other holding companies n.e.c.

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Official record Companies House · updated 27th September 2026 · Sources

Network

The large node is Jupiter 1 Topco Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 1

  1. Jeremy Wilson Macartney 2024-2026 Director View profile

Directors and secretaries as filed at Companies House.

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About

What it does
Activities of other holding companies n.e.c.
Incorporated
20/06/2024
Registered office
London

Ownership

Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.

Group

  1. Jupiter 1 Topco Limited is controlled by Exponent Private Equity (Holdings) LLP
    Evidence
    active 25-50% shares, 50-75% voting · notified 2024-06-20 · source: Companies House PSC register
  2. Exponent Private Equity (Holdings) LLP is controlled by James Richard St. John Lenane
    Evidence
    ceased 25-50% voting (LLP), 25-50% surplus assets (LLP) · notified 2016-06-30, ceased 2019-01-01 · source: Companies House PSC register

Ultimately controlled by James Richard St. John Lenane.

155 other companies in this group

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

Board analysis

Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.

9 directors on the board

1.7y median 1.9y
average tenure
2.1y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (7)

Left in the last 12 months

Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.

Finance 32Health and social care 19Professional services 3Education 2Business services 1Construction 1Property 1

The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
15791032
Status
Active
Type
Private Limited Company
Accounts next due
31/12/2026
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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