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Element SIX Ltd., Didcot

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Name

Element SIX Ltd.
De Beers Industrial Diamonds (UK) Ltd.
De Beers Industrial Diamond Division (UK) Ltd.
De Beers Industrial Diamond Division (U.K.) Ltd.
Toneward Ltd.

Identification

Chp
Companies House 02946905

Address

Global Innovation Centre, Fermi Avenue, Harwell Oxford, Didcot OX11 0QR, United Kingdom
Fermi Avenue Harwell Oxford Didcot Oxfordshire, United Kingdom
London, United Kingdom
Ascot, United Kingdom

Corporate purpose

74.9
Other professional, scientific and technical activities n.e.c.

Financials

Revenue

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Employees

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History

Marketing & Tech

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DATA SERVICES

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Publications

14 Aug 2025 also 19/08/2024, 14/08/2023, 12/08/2022, 12/08/2021, 12/08/2020, 12/08/2019, 21/08/2017
Confirmation statement made with no updates
4 Aug 2025
Annual report for the year ending 31/12/2024 · Balance sheet for 31/12/2024
3 Dec 2024
Annual report for the year ending 31/12/2023 · Balance sheet for 31/12/2023
6 Jul 2023
No longer Secretary (1) · Secretary: De Beers Corporate Secretary Ltd
17 Jun 2023
Annual report for the year ending 31/12/2022 · Balance sheet for 31/12/2022
18 Aug 2022
Annual report for the year ending 31/12/2021 · Balance sheet for 31/12/2021
25 Mar 2022
Director: Erica Leathers
12 Oct 2021
No longer Director: Andrew John Guthrie
8 Oct 2021
Annual report for the year ending 31/12/2020 · Balance sheet for 31/12/2020
26 Apr 2021 also 02/08/2017
Companies House - Filing
5 Jan 2021
Annual report for the year ending 31/12/2019 · Balance sheet for 31/12/2019
30 Aug 2019
Annual report for the year ending 31/12/2018 · Balance sheet for 31/12/2018
4 Oct 2018
Annual report for the year ending 31/12/2017 · Balance sheet for 31/12/2017
15 Aug 2018 also 18/08/2016
Confirmation statement made with updates
10 May 2018
Secretary (1) · No longer Secretary (1)
28 Sept 2017
Annual report for the year ending 31/12/2016 · Balance sheet for 31/12/2016
10 Apr 2017
Director: Ciaran O'Donnell · No longer Director: John Andrew Kilshaw
14 Sept 2016
Annual report for the year ending 31/12/2015 · Balance sheet for 31/12/2015
1 Sept 2016 in Ukri
UK funding (£62,500): Scalable Quantum Diamond Devices (SQDD)
27 Jul 2016
Director: Andrew John Guthrie
4 Apr 2016
No longer Director: Rutger A. Helbing
1 Feb 2016 in Hor
EU funding: HIgh throughPut LasER processing of DIamond and Silicon
29 Jan 2016
Secretary (1) · No longer Secretary (1)
28 Sept 2015 also 08/10/2014, 07/10/2013, 01/10/2012, 07/10/2011, 03/10/2010, 24/03/2009, 31/10/2008, 05/11/2007, 24/04/2007, 04/10/2006, 27/09/2005, 03/04/2004, 25/03/2003, 01/11/2001, 03/11/2000, 09/09/1999, 08/05/1998, 12/12/1997, 21/06/1996
Full accounts made up to 2014-12-31
12 Aug 2015
Address · Capital: £1,000.00
11 Aug 2015 in Hor
EU funding: Nanoscale solid-state spin systems in emerging quantum technologies
1 Jun 2015 in Ukri
UK funding (£96,430): Novel Processing for Diamond Quantum Technologies
29 May 2015
No longer Director (1)
1 May 2015 via Centre for Process Innovation Ltd.
UK funding (£27,685): Intelligent Tooling: Embedded Sensors for Machines and Cutting Tools
26 Mar 2015
Director's details changed for Mr Rutger Albert Helbing
25 Mar 2015
Address
12 Mar 2015
Address
26 Feb 2015
Director: Rutger A. Helbing · No longer Director (2)
1 Jan 2015 in Ukri
UK funding (£100,989): Total Residual Oxidant Analyser for the Marine Environment
31 Oct 2014
Address
1 Oct 2014 in Ukri
UK funding (£79,727): Laser Enhancement of Diamond Drill bit insert micro-geometries for Oil and gas Exploration (LEDDOE)
13 Aug 2014
Capital: £1,000.00
30 Jun 2014
Address
1 Mar 2014 via Element SIX (UK) Ltd.
UK funding (£121,908): ntegration of novel sensors for automating HPHT diamond processes
4 Jan 2014
Section 519
29 Aug 2013
Capital: £1,000.00
9 Aug 2013
Patent: In-Situ Electrochemical Deposition and X-RAY Fluorescence Spectroscopy
24 Jul 2013
Secretary (1) · No longer Secretary (1)
1 Jan 2013 in Fts
EU funding (€1,231.32): Information is not Available
12 Dec 2012
Patent: Substrates for Semiconductor Devices
12 Dec 2012
Patent: Substrates for Semiconductor Devices
11 Dec 2012
Resolution of Memorandum and/or Articles of Association · Statement of company's objects
17 Sept 2012
Patent: Diamond Microelectrode
13 Aug 2012
Annual return made up to 2012-08-12 with full list of shareholders · Director's details changed for John Andrew Kilshaw
16 Apr 2012 also 14/07/2011
Director's details changed for Mr N.N.
18 Aug 2011
Annual return made up to 2011-08-12 with full list of shareholders · Director's details changed for Mr Adrian Stuart …
5 Aug 2011
Director (1)
4 May 2011
No longer Secretary: Morley & Scott Corporate Services Ltd. · Address
14 Apr 2011
Patent: Diamond Microelectrode
7 Apr 2011
Appointment of Mr Walter Fredrich Hühn as a director
5 Apr 2011
No longer Director (1)
9 Feb 2011
Annual return made up to 2010-08-15 with full list of shareholders
29 Dec 2010
No longer Director (1)
24 Nov 2010
Patent: Coloured Diamond
24 Nov 2010
Patent: Method for Altering the Colour of a Single Crystal CVD Diamond and Diamond Layer Produced Thereby
5 Oct 2010
Director (1)
6 Sept 2010
Annual return made up to 2010-08-12 with full list of shareholders
11 Aug 2010
Patent: Composite Material Comprising Ultra-Hard Particles Embedded in a Metal or Metal Alloy Matrix and Diaphragm Made Thereof
12 Mar 2010
Secretary's details changed for Morley & Scott Corporate Services Limited
30 Dec 2009
Patent: Wear Component Comprising Single Crystal CVD Diamond
23 Sept 2009
Patent: Diamond Microelectrodes
14 Aug 2009 also 16/09/2008, 07/09/2007, 25/08/2006, 26/10/2005
Return made up to 12/08/09; full list of members
8 Jul 2009
Patent: A Method for Manufacturing a Diamond Composite
10 Nov 2008
Director: John Andrew Kilshaw
6 Nov 2008
Patent: Composite Material
3 Sept 2008
Patent: Method of Incoporating a Mark in CVD Diamond
4 Jan 2008
Auditor's resignation
16 Aug 2006
Director resigned · Auditor's resignation
15 Aug 2006 also 28/09/2005, 19/08/2004, 17/09/2003, 07/10/2002, 11/06/1996, 17/04/1996
Delivery ext'd 3 mth 31/12/05
5 Apr 2006
Patent: CVD Diamond Cutting Insert
20 Mar 2006
Patent: Diamond Based Substrate for Electronic Devices
20 Mar 2006
Patent: Diamond Based Substrate for Electronic Devices
9 Jan 2006
Director resigned · New director appointed
21 Sept 2005
Director resigned
1 Jan 2005 in Ukri
UK funding: Micromachined Diamond Device Initiative
23 Jan 1995 as De Beers Industrial Diamond Division (U.K.) Ltd.
Accounting reference date notified as 31/12
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