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Company

Mastenbroek Limited

Mastenbroek Limited is an active UK company (number 01121712), incorporated 1973, with 3 current directors including Christopher John Pett and Frederick Ian Clarke. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources · Free, no card or password

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

Who leads it

Previous officers 9

  1. Pieter Marcel De Jong 1996-2002 Director View profile
  2. Jacob Johannis Geelhoed 2022 Director View profile
  3. John Morgan Jenkins 2018 Director View profile
  4. Johannis Mastenbroek 2004 Director View profile
  5. Holly Gauntlett 2009-2014 Secretary View profile
  6. Alan Ward 1999-2009 Secretary View profile
  7. Leentje Mastenbroek-Andrew 1995-2001 Secretary View profile
  8. Helen Lucy Townsend 1992-1995 Secretary View profile
  9. Alan Ward 1992 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
09/07/1973

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. Mastenbroek Limited is controlled by Mastenbroek Holding Company Limited
    Evidence
    active 75-100% shares, 75-100% voting · notified 2016-04-06 · source: Companies House PSC register
  2. Mastenbroek Holding Company Limited is controlled by Jeff Geelhoed
    Evidence
    active 25-50% shares, 25-50% voting · notified 2022-09-23 · source: Companies House PSC register

Ultimately controlled by Jeff Geelhoed.

4 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.

3 directors on the board

6.8y median 6.8y
average tenure
6.8y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (1)

0
also govern a charity
0
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.

Utilities 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.

Gaps to watch

  • Several long-serving directors could step down together

Where to look Suggested search: succession planning for long-tenured seats.

Sources

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

Record details
Company number
01121712
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 11th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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