Company · London
RIO Tinto Mining and Exploration Limited
Other research and experimental development on natural sciences and engineering
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 41
- Gary Keith Hodgkinson 2013-2019 View profile
- Shane Anthony Sullivan 2011-2018 View profile
- Christopher Michael Welton 2011-2013 View profile
- Kevin Patrick Fox 2009-2014 View profile
- Mark Edward Murchison 2008-2011 View profile
- Ulf Quellmann 2008-2013 View profile
- Stefanie Eva Loader 2007-2008 View profile
- Stephen Mcintosh 2005-2008 View profile
- Timothy Charles Moody 2005-2009 View profile
- Ian Mcmaster Ledlie 2003-2008 View profile
- Andrews, Stephen John, Doctor 2001-2003 View profile
- Eric John Finlayson 2000-2008 View profile
- Julian Richard Frank Bavin 1998-2009 View profile
- Dr Geoffrey David Klingner 1997-2004 View profile
- Gary John Goldberg 1996-1998 View profile
- Thomas Charles Patton 1996-1997 View profile
- Clive Alfred Algar 1995-1997 View profile
- Thomas Albanese 1995-2007 View profile
- Charles Henry Huntley Lawton 1994-2008 View profile
- Christopher Lenon 1993-2008 View profile
- Ian Clay Ratnage 1993-2008 View profile
- Marcus Philip Randolph 1993-1996 View profile
- Donald Charles Bailey 1993 View profile
- Alexander Neil Mclaurin 2004 View profile
- Thomas Gee Elder 1995 View profile
- Thomas David Button 1996 View profile
- Dr Robert Spencer Taylor 1997 View profile
- Ashley Beverley Cyril De Silva 1995 View profile
- Paul Jeffrey Lush 1996 View profile
- Thomas John Lighterness 1993 View profile
- Dr Michael Oates Harris 2004 View profile
- Stephen John Jopling 2005 View profile
- Michael John Davies 1997 View profile
- John Collier 1997 View profile
- Dr Christopher John Morrissey 1997 View profile
- John Kennedy Maclean 1993 View profile
- Helen Christine Day 2014-2017 View profile
- Gemma Jane Constance Aldridge 2010-2014 View profile
- Roger Peter Dowding 1998-2010 View profile
- Keith Charles Bell 1998-1998 View profile
- Glynne Christian Lloyd-Davis 1998 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Other research and experimental development on natural sciences and engineering
- Incorporated
- 30/03/1977
- Registered office
- London
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.
- RIO Tinto Metals Limited
75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06
Group
- RIO Tinto Mining and Exploration Limited
is controlled by RIO Tinto Metals Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - RIO Tinto Metals Limited
is controlled by RIO Tinto European Holdings Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - RIO Tinto European Holdings Limited
is controlled by RIO Tinto PLC
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
Ultimately controlled by RIO Tinto PLC.
71 other companies in this group
- Alcan Chemicals Limited
- Nuton Holdings Limited
- RIO Tinto Indonesian Holdings Limited
- Lawson Mardon Flexible Limited
- RIO Tinto Uranium Services Limited
- RIO Tinto FH Limited
- RIO Tinto Bauxite Atlantic Limited
- Pechiney Aviatube Limited
- RIO Tinto Western Holdings Limited
- RIO Tinto Marketing Services Limited
- British Alcan Aluminium Limited
- IOC Sales Limited
- RIO Tinto International Holdings Limited
- RIO Tinto Iron ORE Atlantic Limited
- RIO Tinto BM Limited
- RIO Tinto OT Management Limited
- IEA Coal Research Limited
- 15909409
- RIO Tinto Finance (USA) PLC
- THR Copper Limited
- Lawson Mardon Smith Brothers LTD.
- Livent Lithium UK Holdings Limited
- RIO Tinto Iron & Titanium Limited
- RIO Tinto Diamonds Limited
- Quebec Lithium Partners (UK) Limited
- RIO Tinto BM Subsidiary Limited
- RTA Holdco 4 Limited
- RIO Tinto Overseas Holdings Limited
- 07105547
- Simfer Jersey Nominee Limited
- RIO Tinto Pension Investments Limited
- RIO Tinto Minerals Limited
- RIO Tinto Brazilian Holdings Limited
- RIO Tinto Copper Limited
- RIO Tinto Nominees Limited
- Lithium Corporation of Europe Limited
- RTA Holdco 7 Limited
- RIO Tinto Metals Limited
- RIO Tinto Australian Holdings Limited
- RIO Tinto Bahia Holdings Limited
- IEA Environmental Projects Limited
- RIO Tinto Secretariat Limited
- RIO Tinto Copper Holdings Limited
- RIO Tinto Brazilian Investments Limited
- Thos W Ward Limited
- RIO Tinto Minerals Development Limited
- 02523945
- RIO Tinto Vostok Limited
- Livent UK Pension Plan Limited
- Anglesey Aluminium Metal Limited
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
- Dr Kenneth Melbourne Tainton Director · appointed 2010
- Arnaud Jean-FrançOis Christophe Brion Director · appointed 2012
- Daniel Linton Brackner Director · appointed 2018
- Jonathan Guy Beswick Director · appointed 2013
12.7y median 13.3y
average tenure
16.5y
longest tenure
Directors past 6 years
- Dr Kenneth Melbourne Tainton Director · appointed 2010
- Arnaud Jean-FrançOis Christophe Brion Director · appointed 2012
- Daniel Linton Brackner Director · appointed 2018
- Jonathan Guy Beswick Director · appointed 2013
First-time vs portfolio directors
First-time (1)
- Jonathan Guy Beswick Director · appointed 2013
Portfolio (3)
- Dr Kenneth Melbourne Tainton Director · appointed 2010
- Arnaud Jean-FrançOis Christophe Brion Director · appointed 2012
- Daniel Linton Brackner Director · appointed 2018
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.
Professional services 3
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
- No director brings board experience from anywhere else
- Narrow spread of sectors across the board
Where to look Suggested search: succession planning for long-tenured seats; a director with board experience elsewhere.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 01305702
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 31/12/2026
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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