Company officer · Companies House register
Matthew John Whyte
26 current appointments and 24 former, as recorded on the register.
Current appointments
- Rio Tinto Secretariat Limited
Director · since Jun 2026
- Rio Tinto Finance (USA) PLC
Director · since May 2026
- Rio Tinto International Holdings Limited
Director · since May 2026
- Rio Tinto Indonesian Holdings Limited
Director · since May 2026
- Alcan Chemicals Limited
Director · since May 2026
- Rio Tinto Finance PLC
Director · since May 2026
- Lawson Mardon Flexible Limited
Director · since May 2026
- Lawson Mardon Smith Brothers Ltd.
Director · since May 2026
- Tbac Limited
Director · since May 2026
- Rio Tinto Canada Finance Limited
Director · since May 2026
- Rio Tinto European Holdings Limited
Director · since May 2026
- Rio Tinto London Limited
Director · since May 2026
- Rio Tinto Medical Plan Trustees Limited
Director · since May 2026
- Alcan Farms Limited
Director · since May 2026
- Pechiney Aviatube Limited
Director · since May 2026
- SMITHS GROUP FINANCE US LIMITED
Director · since Mar 2023 · Dissolved
- SMITHS GROUP FINANCE EU LIMITED
Director · since Mar 2023 · Dissolved
- SOVOS LIMITED
Director · since Nov 2021 · Dissolved
- SITI 1 LIMITED
Director · since Aug 2021 · Dissolved
- GRASEBY LIMITED
Director · since Aug 2021 · Dissolved
- CAZENOVE CAPITAL MANAGEMENT PENSION TRUSTEE LIMITED
Director · since Aug 2016 · Dissolved
- CAZENOVE INVESTMENT FUND MANAGEMENT LIMITED
Director · since Jan 2016 · Dissolved
- HECA LONDON LIMITED
Director · since Apr 2012 · Dissolved
- HEADLEY (READING) LIMITED
Director · since Feb 2010 · Dissolved
- HEADLEY LTD
Director · since Feb 2010 · Dissolved
- BORAX INTERNATIONAL LIMITED
Director · since Feb 2007 · Dissolved
Former appointments
- Smiths Pensions Limited
Director · Feb 2023 – Apr 2026
- Roof Units (Group) Limited
Director · Feb 2023 – Apr 2026
- Smiths Group International Holdings Limited
Director · Feb 2022 – Apr 2026
- Air Log Limited
Director · Aug 2021 – Apr 2026
- Si Properties Limited
Director · Aug 2021 – Apr 2026
- Smiths Finance Limited
Director · Aug 2021 – Apr 2026
- Cve Trustee Limited
Director · Aug 2021 – Apr 2026
- Eis Group Limited
Director · Aug 2021 – Apr 2026
- Smiths Group Innovation Limited
Director · Aug 2021 – Apr 2026
- Smiths Detection Limited
Director · Sept 2025 – Apr 2026
- CAZENOVE CAPITAL MANAGEMENT LIMITED
Director · Jan 2016 – Sept 2017 · Dissolved
- SCHRODER VENTURES HOLDINGS LIMITED
Director · Nov 2016 – Sept 2017 · Dissolved
- SCHRODER VENTURES INVESTMENT ADVISERS LIMITED
Director · Nov 2016 – Sept 2017 · Dissolved
- Thos W Ward Limited
Director · Oct 2004 – Jun 2012
- RIO TINTO INVESTMENT HOLDINGS B.V.
Director · Nov 2004 – Jun 2012 · Converted closed
- RIO TINTO HOLDINGS B.V.
Director · Nov 2004 – Jun 2012 · Converted closed
- Rtlds UK Limited
Director · Nov 2004 – Jun 2012
- Rio Tinto Nominees Limited
Director · Nov 2004 – Jun 2012
- RIO TINTO BRAZILIAN INVESTMENTS LIMITED
Director · Dec 2004 – Jun 2012 · Dissolved
- RIO TINTO EASTERN INVESTMENTS B.V.
Director · Sept 2005 – Jun 2012 · Converted closed
- Rio Tinto Indonesian Holdings Limited
Director · Sept 2006 – Jun 2012
- RIO TINTO PENSION INVESTMENTS LIMITED
Director · May 2007 – Jun 2012 · Dissolved
- CNA UK LIMITED
Director · May 2008 – Jun 2012 · Dissolved
- RIO TINTO OVERSEAS SERVICES LIMITED
Director · Sept 2008 – Jun 2012 · Dissolved
From the Companies House register, checked 2026-11-02. Names, roles and dates only; contains public sector information licensed under the Open Government Licence v3.0. Profit is each company's latest filed figure. Appointments under other records of the same person may be listed separately.
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