Element Six Abrasives Holdings Limited

Active07359523 Private limited company

Incorporated: 27 August 2010 (16 years)
Previously known as: Sunchime Limited (until 10 March 2017)
Industry: Activities of other holding companies n.e.c. (64209)
Directors: Yves Gert Van Rompaey
Geert Frans Olbrechts
Konstantinos Mitsos
all 8 directors
Owned by: Umicore S.A.
Element Six Holdings Limited
Accounts type: Full
Region: Greater London
Address: 17 Charterhouse Street
London
EC1N 6RA

Website & contact details

Group website: debeersgroup.com
The site of this company’s group or brand.

Filing status

Accounts due: 30 September 2027
Last accounts: 31 December 2025
Conf. stmt due: 10 September 2027
Last conf. stmt: 27 August 2026

Officers 9 active

Officer details are public data from the Companies House register.

Van Rompaey, Yves Gert

Director · Appointed 14 September 2026

Belgian

Born September 1968 (58)

Olbrechts, Geert Frans

Director · Appointed 1 June 2024

Belgian

Born August 1973 (53)

Mitsos, Konstantinos

Director · Appointed 24 April 2024

Also at Element Six Holdings Limited, DE Beers Centenary Angola Properties Limited

British

Born May 1979 (47)

Johnson, Thomas Paul Foster

Director · Appointed 24 April 2024

Also at Element Six Holdings Limited, DE Beers Corporate Secretary Limited

British

Born May 1982 (44)

Duffy, Siobhan

Director · Appointed 1 February 2023

Irish

Born October 1966 (60)

Huntley, Stuart Paul

Secretary · Appointed 14 April 2022

Leathers, Erica

Director · Appointed 13 April 2022

Also at Element Six Limited, Element Six Holdings Limited, Element Six (UK) Limited. · more companies

Canadian

Born May 1974 (52)

Lawson, Richard Shaun

Director · Appointed 11 October 2021

Also at Element Six Holdings Limited, DE Beers UK Limited, DE Beers Group · more companies

British

Born September 1973 (53)

Brijs, Erik Louis

Director · Appointed 10 March 2017

Belgian

Born December 1963 (62)

Officer history (16 former)

14 September 2026

Appointed Van Rompaey, Yves Gert as Director

30 November 2025

Resigned Goffaux, Denis Henri as Director

1 June 2024

Appointed Olbrechts, Geert Frans as Director

16 May 2024

Resigned Daufenbach, Frank Mathias as Director

24 April 2024

Appointed Mitsos, Konstantinos as Director

24 April 2024

Appointed Johnson, Thomas Paul Foster as Director

31 December 2023

Resigned Cleaver, Bruce Alan as Director

1 October 2023

Resigned Kuijlaars, Sarah Mary as Director

29 August 2023

Resigned Cleaver, Bruce Alan as Director

1 February 2023

Appointed Duffy, Siobhan as Director

31 January 2023

Resigned Huhn, Walter Friedrich as Director

1 January 2023

Appointed Daufenbach, Frank Mathias as Director

1 January 2023

Resigned Jansseune, Thomas Hendrik as Director

1 December 2022

Appointed Goffaux, Denis Henri as Director

30 September 2022

Resigned Platteeuw, Filip as Director

14 April 2022

Resigned Johnson, Thomas as Secretary

14 April 2022

Appointed Huntley, Stuart Paul as Secretary

13 April 2022

Appointed Leathers, Erica as Director

12 October 2021

Resigned Guthrie, Andrew John as Director

11 October 2021

Appointed Lawson, Richard Shaun as Director

31 March 2021

Resigned Cormack, Ann Catherine as Director

28 October 2020

Appointed Kuijlaars, Sarah Mary as Director

24 July 2020

Resigned Patel, Nimesh Balvir as Director

30 October 2019

Appointed Jansseune, Thomas Hendrik as Director

30 October 2019

Appointed Guthrie, Andrew John as Director

1 May 2018

Appointed Johnson, Thomas as Secretary

30 April 2018

Resigned Huntley, Stuart as Secretary

20 April 2018

Resigned Goffaux, Denis as Director

20 April 2018

Appointed Platteeuw, Filip as Director

1 February 2018

Appointed Cormack, Ann Catherine as Director

31 January 2018

Resigned Mostyn, Gareth as Director

10 March 2017

Appointed Patel, Nimesh Balvir as Director

10 March 2017

Appointed Mostyn, Gareth as Director

10 March 2017

Appointed Huhn, Walter Friedrich as Director

10 March 2017

Appointed Goffaux, Denis as Director

10 March 2017

Appointed Cleaver, Bruce Alan as Director

10 March 2017

Appointed Brijs, Erik Louis as Director

10 March 2017

Appointed Cleaver, Bruce Alan as Director

10 March 2017

Appointed Huntley, Stuart as Secretary

10 March 2017

Resigned Davis, Andrew Simon as Director

27 August 2010

Appointed Davis, Andrew Simon as Director

Ownership 2 active

People and entities with significant control, from the Companies House PSC register

Umicore S.A.

Corporate entity · Notified 3 April 2017

Owns 25–50% of shares

Holds 25–50% of voting rights

Societe Anonyme

Reg. no. 0401.574.852

Element Six Holdings Limited

Corporate entity · Notified 3 April 2017

Owns 50–75% of shares

Holds 50–75% of voting rights

Limited Company

Reg. no. 7359334

Former controllers (1)

10 March 2017

Ceased SDG Registrars Limited — Owns 75–100% of shares

Group structure 5 companies

Ownership group derived from the Companies House PSC register

Element Six Holdings Limited

Element Six Abrasives Holdings Limited This company Owns 50–75% of shares

Element Six (UK) Limited. Owns 75–100% of shares

Element Six Limited Owns 75–100% of shares

Element Six Technologies Limited Owns 75–100% of shares

Filings 102

Date	Description	Made Up To
15 September 2026	Appointment of a director
14 September 2026	Full accounts	31 December 2025
2 September 2026	Confirmation statement with no updates	27 August 2026
2 December 2025	Termination of appointment of a director
27 August 2025	Confirmation statement with no updates	27 August 2025