RIO TINTO SIMFER UK LIMITED
Company Number 06375648
Status
Active
Incorporated
September 19, 2007
Entity Type
Ltd
Registered Office
6 St James's Square
London
SW1Y 4AD
70100
Previous Names
FRONTIER GREEN RESOURCES LIMITED
Ceased on Aug 20, 2010
Financial Calendar & Filing Registry
Filing Classification
Audit Exemption Subsidiary
Dec 31, 2024
Next Accounts Due
Accounts Up to Date
Sep 30, 2026
Confirmation Statement
Active & Verified
Sep 30, 2026
Registry Status
Live Synced
Corporate Intelligence Summary
RIO TINTO SIMFER UK LIMITED is a British corporate entity currently listed with a status of active. Registered as company #06375648, this organization has been active since September 2007. Primarily in the 70100 sector, the business maintains its official headquarters at 6 St James's Square. This profile provides deep-link access to officer appointment history, ownership structures (PSCs), and full filing history as recorded by Companies House.
Filing History & Activity
Recent Documents
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Accounts
Apr 13, 2026
Other
Apr 13, 2026
Other
Apr 13, 2026
Accounts
Oct 17, 2025
Confirmation Statement
Sep 18, 2025
Capital
Sep 17, 2025
Capital
Sep 16, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Capital
Aug 6, 2025
Change Of Name
Jul 21, 2025
Change Of Name
Jul 21, 2025
Confirmation Statement
Jul 21, 2025
Change Of Name
Jul 21, 2025
Ownership & Significant Control
Significant Controllers
Corporate Entity Person With Significant Control
Rio Tinto International Holdings Limited
• Ownership of shares 75 to 100 percent
• Voting rights 75 to 100 percent
• Right to appoint and remove directors
Board & Leadership
Board Retention
12%
over 19 years
Directory of Officers
Active
Active
Active
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
Resigned
corporate secretary
director
director
secretary
secretary
secretary
secretary
secretary
corporate nominee secretary
director
director
director
director
director
director
director
director
director
director
director
director
director
director
director
director
corporate nominee director
Connected Companies
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PASMORE, Michael Stuart is a director
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PASMORE, Michael Stuart is a director
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RIO TINTO SECRETARIAT LIMITED is a corporate secretary
15070996
RIO TINTO COPPER LIMITED
PASMORE, Michael Stuart is a director
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PASMORE, Michael Stuart is a director
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RIO TINTO COPPER HOLDINGS LIMITED
PASMORE, Michael Stuart is a director
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RIO TINTO SECRETARIAT LIMITED is a corporate secretary
13807147
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PASMORE, Michael Stuart is a director
13575404
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RIO TINTO SECRETARIAT LIMITED is a corporate secretary
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PASMORE, Michael Stuart is a director
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RIO TINTO SECRETARIAT LIMITED is a corporate secretary
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RIO TINTO SECRETARIAT LIMITED is a corporate secretary
03074852
RIO TINTO INDONESIAN HOLDINGS LIMITED
PASMORE, Michael Stuart is a director
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PASMORE, Michael Stuart is a director
09247092
RIO TINTO OT MANAGEMENT LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
00007132
RIO TINTO WESTERN HOLDINGS LIMITED
PASMORE, Michael Stuart is a director
01338672
RIO TINTO BAHIA HOLDINGS LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
03699290
RIO TINTO SOUTH EAST ASIA LIMITED
PASMORE, Michael Stuart is a director
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PECHINEY AVIATUBE LIMITED
PASMORE, Michael Stuart is a director
00081020
THOS W WARD LIMITED
PASMORE, Michael Stuart is a director
06386663
RTA HOLDCO 1 LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
07451623
RIO TINTO SULAWESI HOLDINGS LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
00336873
ALCAN CHEMICALS LIMITED
PASMORE, Michael Stuart is a director
00280423
RIO TINTO OVERSEAS HOLDINGS LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
00460473
RIO TINTO LONDON LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
01181093
RIO TINTO NOMINEES LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
00982701
RIO TINTO PENSION FUND TRUSTEES LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
06404791
RTA HOLDCO 4 LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
00067341
LAWSON MARDON SMITH BROTHERS LTD.
PASMORE, Michael Stuart is a director
00358901
RIO TINTO FINANCE PLC
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
00147115
RIO TINTO METALS LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
00909645
ANGLESEY ALUMINIUM METAL LIMITED
PASMORE, Michael Stuart is a director
00459767
LAWSON MARDON FLEXIBLE LIMITED
PASMORE, Michael Stuart is a director
05699397
RIO TINTO ENERGY LIMITED
RIO TINTO SECRETARIAT LIMITED is a corporate secretary
08270236
RIO TINTO TECHNOLOGICAL RESOURCES UK LIMITED
PASMORE, Michael Stuart is a director
01086684
ALCAN FARMS LIMITED
PASMORE, Michael Stuart is a director
00385816
BRITISH ALCAN ALUMINIUM LIMITED
PASMORE, Michael Stuart is a director
08651526
RIO TINTO IRON ORE TRADING CHINA LIMITED
PASMORE, Michael Stuart is a director
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PASMORE, Michael Stuart is a director
02796146
RIO TINTO IRON & TITANIUM LIMITED
PASMORE, Michael Stuart is a director
10754108
RIO TINTO SECRETARIAT LIMITED
PASMORE, Michael Stuart is a director