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Company

ONE-Dyas Mariner Limited

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

Network

The large node is ONE-Dyas Mariner Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 11

  1. Alexander Ferdinand Diederik Berger 2019-2020 Director View profile
  2. Matthew Quentin Hickin 2017-2019 Director View profile
  3. Robert Jan Baurdoux 2013-2020 Director View profile
  4. Stephen Rennie 2013-2017 Director View profile
  5. James Michael Kearney 2013-2014 Director View profile
  6. Adam Euan Thompson 2013-2019 Director View profile
  7. Petrus Johannes Waaijer 2013-2019 Director View profile
  8. Dr Michael John Watts 2013-2013 Director View profile
  9. Simon John Thomson 2013-2013 Director View profile
  10. Janice Margaret Brown 2013-2013 Director View profile
  11. Duncan Alexander Wood 2013-2013 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
08/05/2013

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. ONE-Dyas Mariner Limited is controlled by ONE-Dyas E&P Limited
    Evidence
    active 75-100% voting · notified 2017-01-01 · source: Companies House PSC register
  2. ONE-Dyas E&P Limited is controlled by SHV Energy Holdings UK Limited
    Evidence
    ceased 75-100% shares · notified 2016-04-06, ceased 2018-11-27 · source: Companies House PSC register

Ultimately controlled by SHV Energy Holdings UK Limited.

20 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

6.5y median 6y
average tenure
7.3y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (3)

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.

Mining 24

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
SC449498
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 20th 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