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Company

Seaham Harbour Dock Company

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

Network

The large node is Seaham Harbour Dock Company. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 13

  1. Stephen William Marshall 2025-2025 Director View profile
  2. Alan Burgoyne Luscombe 2003-2025 Director View profile
  3. Andrew Patrick Hurst 1996-2003 Director View profile
  4. James Robert Weir 1995-1995 Director View profile
  5. Dr Mervyn John Blades 1994-2003 Director View profile
  6. David Clifford 1994 Director View profile
  7. Brian George Train 1995 Director View profile
  8. David Patrick Mcerlain 1993 Director View profile
  9. Gordon Hicks 2003 Director View profile
  10. John Henry Gainham 1996 Director View profile
  11. Cottam, Harold, Managing Director 1996 Director View profile
  12. David Sydney Martin 2003-2021 Secretary View profile
  13. Bryan Park 2003 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

About

Incorporated
01/01/1981

Ownership

Owned by (2) 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. Seaham Harbour Dock Company is controlled by Mark Alexander Vernon Gatehouse
    Evidence
    active significant influence · notified 2016-04-06 · source: Companies House PSC register

Ultimately controlled by Mark Alexander Vernon Gatehouse.

5 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.

4 directors on the board

12.8y median 13.9y
average tenure
22.9y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (4)

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.

Transport 7Professional services 4Dormant 2Finance 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
ZC000191
Status
Active
Type
Other company type
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