RT

RIO TINTO MINING AND EXPLORATION LIMITED

Active

Company number 01305702

London · Incorporated 30 March 1977

6 St James's Square, London, SW1Y 4AD

Last updated on 23 August 2026

Other research and experimental development on natural sciences and engineering · SIC 72190

Status
Active
Company age
49 years
Company type
Private limited
Accounts
Up to date
Total raised
—
Shares allotted
0
Latest round
18 July 2023

Company history

Previous company names

PERSKIP LIMITED · 30 March 1977 – 31 December 1981

DELABOLE SLATE LIMITED · 31 December 1981 – 14 October 1988

RTZ MINING AND EXPLORATION LIMITED · 14 October 1988 – 25 June 1997

Company overview

Rio Tinto Mining and Exploration Limited is an active private limited company incorporated on 30 March 1977 and registered in England and Wales. Its registered office is at 6 St James’s Square, London SW1Y 4AD.

The company is engaged in other research and experimental development on natural sciences and engineering (SIC 72190). It is wholly owned and controlled by Rio Tinto Metals Limited, which holds 75–100% of the shares and voting rights and the right to appoint and remove directors.

As at the latest filings, the company has three directors: Dr Kenneth Melbourne Tainton (appointed 2010), Jonathan Guy Beswick (appointed 2013) and Arnaud Jean-François Christophe Brion (appointed 2012). It has no charges, no insolvency history and has never been liquidated.

The most recent full accounts, made up to 31 December 2024, were filed on 8 October 2025. The latest confirmation statement, with updates, was filed on 6 July 2026. The next accounts are due by 30 September 2026 and the next confirmation statement by 1 July 2027.

Compliance

Annual accounts Up to date
Last filed
31 December 2024
Next due
30 September 2026
2 weeks left
Confirmation statement Up to date
Last filed
17 June 2026
Next due
1 July 2027
10 months left

Financial snapshot

Last accounts type
Full
Period end
31 December 2024

Detailed figures (assets, liabilities, net worth) are available in the full credit report.

Officers

No officers on record.

Persons with significant control

PS
Rio Tinto Metals Limited
Ownership Of Shares 75 To 100 Percent
Voting Rights 75 To 100 Percent
Right To Appoint And Remove Directors
6 April 2016

Funding

8 funding rounds
18 July 2023
Shares allotted · 0 shares allotted
—
12 July 2021
Shares allotted · 0 shares allotted
—
20 December 2019
Shares allotted · 0 shares allotted
—
4 September 2018
Shares allotted · 0 shares allotted
—
27 September 2016
Shares allotted · 0 shares allotted
—
—
Shares allotted · 0 shares allotted
—
—
Shares allotted · 0 shares allotted
—
—
Shares allotted · 0 shares allotted
—
Total (8 rounds, 0 shares)
—

Filing history

Confirmation Statement With Updates
Confirmation Statement
6 July 2026 View
Accounts With Accounts Type Full
Accounts
8 October 2025 View
Legacy
Change Of Name
9 September 2025 View
Capital Allotment Shares
Capital
28 August 2025 View
Confirmation Statement With No Updates
Confirmation Statement
23 June 2025 View
Accounts With Accounts Type Full
Accounts
7 January 2025 View
Confirmation Statement With Updates
Confirmation Statement
1 July 2024 View
Legacy
Change Of Name
13 June 2024 View
Legacy
Change Of Name
5 June 2024 View
Capital Allotment Shares
Capital
29 May 2024 View
Capital Allotment Shares
Capital
22 May 2024 View
Gazette Filings Brought Up To Date
Gazette
9 January 2024 View
Accounts With Accounts Type Full
Accounts
8 January 2024 View
Gazette Notice Compulsory
Gazette
28 November 2023 View
Confirmation Statement With No Updates
Confirmation Statement
20 June 2023 View
Accounts With Accounts Type Full
Accounts
20 January 2023 View
Confirmation Statement With No Updates
Confirmation Statement
1 July 2022 View
Accounts With Accounts Type Full
Accounts
5 January 2022 View
Capital Allotment Shares
Capital
20 September 2021 View
Confirmation Statement With No Updates
Confirmation Statement
30 June 2021 View
Accounts With Accounts Type Full
Accounts
6 January 2021 View
Termination Director Company With Name Termination Date
Officers
9 September 2020 View
Confirmation Statement With Updates
Confirmation Statement
1 July 2020 View
Capital Allotment Shares
Capital
2 January 2020 View
Accounts With Accounts Type Full
Accounts
9 October 2019 View
Confirmation Statement With Updates
Confirmation Statement
27 June 2019 View
Appoint Person Director Company With Name Date
Officers
21 December 2018 View
Termination Director Company With Name Termination Date
Officers
21 December 2018 View
Change Person Director Company With Change Date
Officers
26 November 2018 View
Accounts With Accounts Type Full
Accounts
6 October 2018 View
Capital Allotment Shares
Capital
7 September 2018 View
Confirmation Statement With Updates
Confirmation Statement
29 June 2018 View
Accounts With Accounts Type Full
Accounts
14 September 2017 View
Confirmation Statement With Updates
Confirmation Statement
23 June 2017 View
Termination Secretary Company With Name Termination Date
Officers
10 May 2017 View
Appoint Corporate Secretary Company With Name Date
Officers
10 May 2017 View
Change Person Director Company With Change Date
Officers
31 January 2017 View
Resolution
Resolution
27 October 2016 View
Capital Allotment Shares
Capital
7 October 2016 View
Accounts With Accounts Type Full
Accounts
7 October 2016 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
27 June 2016 View
Accounts With Accounts Type Full
Accounts
18 September 2015 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
2 July 2015 View
Change Registered Office Address Company With Date Old Address New Address
Address
27 May 2015 View
Change Person Director Company With Change Date
Officers
6 March 2015 View
Change Person Director Company With Change Date
Officers
6 March 2015 View
Change Person Director Company With Change Date
Officers
8 January 2015 View
Termination Director Company With Name Termination Date
Officers
18 December 2014 View
Appoint Person Secretary Company With Name Date
Officers
17 December 2014 View
Termination Secretary Company With Name Termination Date
Officers
17 December 2014 View
Change Person Director Company With Change Date
Officers
10 October 2014 View
Second Filing Of Form With Form Type
Document Replacement
10 October 2014 View
Accounts With Accounts Type Full
Accounts
14 August 2014 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
25 June 2014 View
Termination Director Company With Name
Officers
24 December 2013 View
Appoint Person Director Company With Name Date
Officers
11 November 2013 View
Appoint Person Director Company With Name
Officers
6 November 2013 View
Termination Director Company With Name
Officers
6 November 2013 View
Accounts With Accounts Type Full
Accounts
25 September 2013 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
2 July 2013 View
Change Person Director Company With Change Date
Officers
12 November 2012 View
Accounts With Accounts Type Full
Accounts
25 September 2012 View
Appoint Person Director Company With Name
Officers
20 September 2012 View
Change Person Director Company With Change Date
Officers
6 August 2012 View
Appoint Person Director Company With Name
Officers
26 June 2012 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
26 June 2012 View
Change Person Director Company
Officers
12 June 2012 View
Change Person Director Company With Change Date
Officers
10 October 2011 View
Accounts With Accounts Type Full
Accounts
14 September 2011 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
23 June 2011 View
Termination Director Company With Name
Officers
12 May 2011 View
Appoint Person Director Company With Name
Officers
4 February 2011 View
Resolution
Resolution
16 September 2010 View
Accounts With Accounts Type Full
Accounts
16 September 2010 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
11 June 2010 View
Appoint Person Secretary Company With Name
Officers
19 April 2010 View
Termination Secretary Company With Name
Officers
7 April 2010 View
Appoint Person Director Company With Name
Officers
1 February 2010 View
Termination Director Company With Name
Officers
30 January 2010 View
Termination Director Company With Name
Officers
30 January 2010 View
Appoint Person Director Company With Name
Officers
23 December 2009 View
Termination Director Company With Name
Officers
23 December 2009 View
Change Person Director Company With Change Date
Officers
15 October 2009 View
Change Person Director Company With Change Date
Officers
15 October 2009 View
Change Person Director Company With Change Date
Officers
15 October 2009 View
Change Person Director Company With Change Date
Officers
15 October 2009 View
Change Person Director Company With Change Date
Officers
15 October 2009 View
Accounts With Accounts Type Full
Accounts
14 October 2009 View
Change Person Secretary Company With Change Date
Officers
14 October 2009 View
Legacy
Annual Return
16 June 2009 View
Legacy
Officers
16 June 2009 View
Legacy
Officers
16 June 2009 View
Legacy
Officers
16 June 2009 View
Legacy
Officers
5 May 2009 View
Legacy
Officers
6 March 2009 View
Legacy
Officers
21 January 2009 View
Accounts With Accounts Type Full
Accounts
8 January 2009 View
Legacy
Officers
17 December 2008 View
Legacy
Annual Return
17 June 2008 View
Legacy
Officers
16 June 2008 View
Legacy
Officers
12 June 2008 View
Legacy
Officers
12 June 2008 View
Legacy
Officers
9 June 2008 View
Legacy
Officers
9 June 2008 View
Legacy
Officers
9 June 2008 View
Legacy
Officers
9 June 2008 View
Legacy
Address
28 November 2007 View
Accounts With Accounts Type Full
Accounts
1 November 2007 View
Legacy
Officers
18 August 2007 View
Legacy
Officers
14 August 2007 View
Legacy
Officers
27 July 2007 View
Legacy
Annual Return
22 June 2007 View
Legacy
Address
22 June 2007 View
Legacy
Officers
17 May 2007 View
Legacy
Officers
17 May 2007 View
Legacy
Officers
12 April 2007 View
Legacy
Officers
1 March 2007 View
Legacy
Officers
19 January 2007 View
Accounts With Accounts Type Full
Accounts
2 November 2006 View
Legacy
Officers
10 October 2006 View
Legacy
Annual Return
11 August 2006 View
Legacy
Officers
10 July 2006 View
Accounts With Accounts Type Full
Accounts
1 November 2005 View
Legacy
Officers
19 September 2005 View
Legacy
Annual Return
19 August 2005 View
Legacy
Officers
10 June 2005 View
Legacy
Officers
10 June 2005 View
Legacy
Officers
3 February 2005 View
Legacy
Officers
3 February 2005 View
Accounts With Accounts Type Full
Accounts
19 October 2004 View
Legacy
Annual Return
6 August 2004 View
Legacy
Officers
29 July 2004 View
Legacy
Officers
17 January 2004 View
Legacy
Annual Return
22 September 2003 View
Accounts With Accounts Type Full
Accounts
17 September 2003 View
Auditors Resignation Company
Auditors
5 March 2003 View
Legacy
Officers
5 March 2003 View
Accounts With Accounts Type Full
Accounts
3 August 2002 View
Legacy
Annual Return
24 July 2002 View
Legacy
Mortgage
6 April 2002 View
Legacy
Officers
16 January 2002 View
Legacy
Officers
28 November 2001 View
Legacy
Officers
26 October 2001 View
Legacy
Annual Return
4 July 2001 View
Accounts With Accounts Type Full
Accounts
25 June 2001 View
Legacy
Officers
11 January 2001 View
Accounts With Accounts Type Full
Accounts
13 July 2000 View
Legacy
Annual Return
11 July 2000 View
Legacy
Officers
24 March 2000 View
Legacy
Officers
24 February 2000 View
Legacy
Officers
29 December 1999 View
Accounts With Accounts Type Full
Accounts
24 August 1999 View
Legacy
Annual Return
14 June 1999 View
Resolution
Resolution
26 March 1999 View
Resolution
Resolution
26 March 1999 View
Resolution
Resolution
26 March 1999 View
Resolution
Resolution
26 March 1999 View
Auditors Resignation Company
Auditors
23 October 1998 View
Accounts With Accounts Type Full
Accounts
6 October 1998 View
Legacy
Officers
24 September 1998 View
Legacy
Annual Return
6 July 1998 View
Legacy
Officers
28 May 1998 View
Legacy
Officers
28 May 1998 View
Legacy
Officers
20 February 1998 View
Legacy
Officers
20 February 1998 View
Legacy
Officers
9 February 1998 View
Legacy
Officers
9 February 1998 View
Legacy
Officers
27 January 1998 View
Legacy
Officers
27 January 1998 View
Legacy
Officers
27 January 1998 View
Legacy
Officers
16 January 1998 View
Legacy
Officers
12 January 1998 View
Accounts With Accounts Type Full
Accounts
30 December 1997 View
Legacy
Officers
17 November 1997 View
Legacy
Accounts
27 October 1997 View
Legacy
Officers
8 July 1997 View
Legacy
Annual Return
1 July 1997 View
Certificate Change Of Name Company
Change Of Name
24 June 1997 View
Legacy
Officers
30 December 1996 View
Legacy
Officers
18 November 1996 View
Legacy
Officers
8 November 1996 View
Legacy
Officers
7 October 1996 View
Legacy
Officers
29 July 1996 View
Accounts With Accounts Type Full
Accounts
19 July 1996 View
Legacy
Annual Return
8 July 1996 View
Legacy
Officers
2 May 1996 View
Legacy
Officers
7 November 1995 View
Legacy
Officers
24 August 1995 View
Legacy
Officers
24 August 1995 View
Accounts With Accounts Type Full
Accounts
26 July 1995 View
Legacy
Officers
24 July 1995 View
Legacy
Annual Return
19 June 1995 View
Legacy
Officers
20 February 1995 View
Selection Of Documents Registered Before January 1995
Historical
1 January 1995 View
Legacy
Officers
4 July 1994 View
Legacy
Annual Return
13 June 1994 View
Accounts With Accounts Type Full
Accounts
8 June 1994 View
Legacy
Officers
3 March 1994 View
Memorandum Articles
Incorporation
8 February 1994 View
Legacy
Officers
12 January 1994 View
Legacy
Officers
20 December 1993 View
Legacy
Officers
6 December 1993 View
Accounts With Accounts Type Full
Accounts
2 November 1993 View
Legacy
Officers
28 June 1993 View
Legacy
Annual Return
22 June 1993 View
Legacy
Officers
15 March 1993 View
Legacy
Officers
26 January 1993 View
Legacy
Officers
12 January 1993 View
Legacy
Officers
11 January 1993 View
Accounts With Accounts Type Full
Accounts
16 July 1992 View
Legacy
Annual Return
19 June 1992 View
Legacy
Officers
3 April 1992 View
Legacy
Capital
27 January 1992 View
Resolution
Resolution
27 January 1992 View
Accounts With Accounts Type Full
Accounts
25 October 1991 View
Legacy
Annual Return
30 July 1991 View
Legacy
Officers
16 June 1991 View
Accounts With Accounts Type Full
Accounts
6 November 1990 View
Legacy
Annual Return
5 September 1990 View
Legacy
Officers
13 August 1990 View
Auditors Resignation Company
Auditors
15 June 1990 View
Legacy
Officers
9 May 1990 View
Legacy
Officers
9 May 1990 View
Legacy
Capital
9 May 1990 View
Legacy
Officers
28 February 1990 View
Legacy
Officers
28 February 1990 View
Legacy
Officers
28 February 1990 View
Legacy
Officers
28 February 1990 View
Legacy
Officers
28 February 1990 View
Legacy
Officers
28 February 1990 View
Legacy
Officers
28 February 1990 View
Legacy
Officers
15 December 1989 View
Legacy
Officers
1 August 1989 View
Legacy
Officers
21 July 1989 View
Memorandum Articles
Incorporation
19 July 1989 View
Resolution
Resolution
11 July 1989 View
Resolution
Resolution
11 July 1989 View
Resolution
Resolution
11 July 1989 View
Accounts With Accounts Type Full
Accounts
3 May 1989 View
Legacy
Annual Return
3 May 1989 View
Legacy
Officers
23 January 1989 View
Legacy
Address
23 January 1989 View
Legacy
Officers
19 January 1989 View
Certificate Change Of Name Company
Change Of Name
13 October 1988 View
Accounts With Accounts Type Full
Accounts
13 October 1988 View
Legacy
Annual Return
13 October 1988 View
Legacy
Officers
6 October 1988 View
Legacy
Officers
6 October 1988 View
Legacy
Officers
6 October 1988 View
Legacy
Officers
6 October 1988 View
Legacy
Officers
9 August 1988 View
Legacy
Officers
9 August 1988 View
Legacy
Officers
9 August 1988 View
Legacy
Address
8 June 1988 View
Legacy
Officers
1 June 1988 View
Accounts With Accounts Type Full
Accounts
3 October 1987 View
Legacy
Annual Return
3 October 1987 View
Selection Of Documents Registered Before January 1987
Historical
1 January 1987 View
Legacy
Annual Return
6 September 1986 View
Accounts With Accounts Type Full
Accounts
8 July 1986 View
Legacy
Officers
2 May 1986 View
Certificate Change Of Name Company
Change Of Name
13 October 1981 View
Miscellaneous
Miscellaneous
30 March 1977 View
Incorporation Company
Incorporation
30 March 1977 View

Risk at a glance

  • Company active
  • Accounts up to date
  • Confirmation statement up to date
  • No insolvency history
  • No registered charges
  • Credit score
  • Recommended limit
  • Payment risk

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