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Company · London

Sigmaroc PLC

Other mining and quarrying n.e.c.

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

Network

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

Who leads it

Previous officers 16

  1. Dean Masefield 2020-2021 Director View profile
  2. Gary Roger Drinkwater 2017-2018 Director View profile
  3. Garth Mervyn Palmer 2017-2024 Director View profile
  4. Patrick Dolberg 2017-2020 Director View profile
  5. Dominic Traynor 2016-2020 Director View profile
  6. Horacio Furman 2005-2016 Director View profile
  7. Guy Levit 2005-2016 Director View profile
  8. David Rubner 2005-2016 Director View profile
  9. Geoffrey Michael Simmonds 2004-2015 Director View profile
  10. Richard Lawrence Owen 2004-2005 Director View profile
  11. Filex Nominees Limited 2004-2004 Corporate-director View profile
  12. Tom Jenkins 2024-2024 Secretary View profile
  13. Julie Louise Kuenzel 2022-2024 Secretary View profile
  14. Westend Corporate LLP 2016-2022 Corporate-secretary View profile
  15. Irvin Fishman 2005-2016 Secretary View profile
  16. David Hillel 2004-2005 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

What it does
Other mining and quarrying n.e.c.
Incorporated
12/08/2004
Registered office
London
Previous names
Messaging International PLC (until 23/08/2016)

Group

No further corporate or individual controller is recorded above Sigmaroc PLC on the PSC register - it appears to be the top of its group.

26 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

5.5y median 6.2y
average tenure
9.9y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (7)

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.

Mining 9Dormant 7Property 5Manufacturing 4Finance 3Professional services 2Utilities 2Business 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

  • 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
05204176
Status
Active
Type
Public Limited Company
Accounts next due
30/06/2027
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data