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Governance Register

Company

Topmix Limited

Official record Companies House · updated 20th September 2026 · Sources

Network

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

Who leads it

Previous officers 12

  1. Ruth Sarah Button 2022–2025 Director View profile
  2. Richard John Wood 2021–2022 Director View profile
  3. James Richard Stirk 2010–2012 Director View profile
  4. David Anthony Grady 2009–2010 Director View profile
  5. Christopher Gordon Reynolds 2008–2009 Director View profile
  6. Tarmac Nominees Limited 2004–2013 Corporate-director View profile
  7. Peter Beresford Rothwell 1993–2001 Director View profile
  8. John Ferguson Bowater 1993–2004 Director View profile
  9. Jack Mawdsley 1992 Director View profile
  10. Charles Novotny 1997 Director View profile
  11. Bernard Desmond Andrews 1992 Director View profile
  12. Tarmac Nominees TWO Limited 2004–2013 Corporate-secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
05/11/1925

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. Topmix Limited is controlled by Tarmac Trading Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. Tarmac Trading Limited is controlled by Tarmac Holdings Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  3. Tarmac Holdings Limited is controlled by Cities Group Holdings Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  4. Cities Group Holdings Limited is controlled by CRH (UK) Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2019-11-27 · source: Companies House PSC register

Ultimately controlled by CRH (UK) Limited.

301 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 for researchers

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.

1 directors on the board

0.8y median 0.8y
average tenure
0.8y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

Portfolio (1)

0
also govern a charity

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.

Dormant 92Professional services 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

  • A single director - no second pair of eyes on any decision

Where to look Suggested search: a second director to remove single-point control.

Sources

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

Record details
Company number
00209470
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 20th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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