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Company

Glaxosmithkline Mercury Limited

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

Network

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

Who leads it

Previous officers 6

  1. Ciara Martha Lynch 2020-2022 Director View profile
  2. James Borger 2019-2020 Director View profile
  3. Oleg Dubianskij 2017-2019 Director View profile
  4. Alan George Burns 2012-2019 Director View profile
  5. Derek Davies 2010-2012 Director View profile
  6. Ashley Alexander Grist 2009-2010 Director View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
28/08/2009

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.

  • GSK PLC
    75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06

Group

  1. Glaxosmithkline Mercury Limited is controlled by GSK PLC
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register

Ultimately controlled by GSK PLC.

86 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.

1 directors on the board

4.5y median 4.5y
average tenure
4.5y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

Portfolio (1)

0
also govern a charity
0
left in the last 12 months
2
corporate seats

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.

Professional services 7Business services 2Finance 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
07004253
Status
Active
Type
Private Limited Company
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