Elementis PLC

Active03299608 Public limited company

Incorporated: 7 January 1997 (29 years)
Industry: Activities of head offices (70100)
Directors: Michael Humphrey
Katharina Helen Marie Kearney-Croft
Lucas Van Ravenstein
all 8 directors
Accounts type: Group
Region: Greater London
Address: The Bindery
5th Floor
51-53 Hatton Garden
London
EC1N 8HN

Website & contact details

Website: elementis.com

Filing status

Accounts due: 30 June 2027
Last accounts: 31 December 2025
Conf. stmt due: 28 November 2026
Last conf. stmt: 14 November 2025

Officers 9 active

Officer details are public data from the Companies House register.

Humphrey, Michael

Director · Appointed 29 April 2026

Also at Moorland Close Property Management Co Limited · more companies

British

Born March 1951 (75)

Kearney-Croft, Katharina Helen Marie

Director · Appointed 1 January 2026

British

Born May 1974 (52)

Constantine, Hannah Kate

Secretary · Appointed 26 August 2025

Van Ravenstein, Lucas

Director · Appointed 29 April 2025

Dutch

Born April 1978 (48)

Mills, Christopher Harwood Bernard

Director · Appointed 1 January 2025

Also at Bigblu Broadband Limited, Sourcebio International Limited, MJ Gleeson PLC · more companies

British

Born November 1952

Ciliberti, Maria

Director · Appointed 11 March 2024

American

Born January 1964 (62)

Woon, Hin Yong Clement

Director · Appointed 1 December 2022

Singaporean

Born July 1959 (67)

Schoolenberg, Geertrui Elizabeth, Dr

Director · Appointed 15 March 2022

Also at Accsys Technologies PLC · more companies

Dutch

Born August 1958 (68)

Soden, Christine Helen

Director · Appointed 1 November 2020

British

Born June 1957 (69)

Officer history (46 former)

29 April 2026

Resigned O'Higgins, John Edward as Director

29 April 2026

Appointed Humphrey, Michael as Director

28 February 2026

Resigned Deuring, Dorothee Anna as Director

1 January 2026

Appointed Kearney-Croft, Katharina Helen Marie as Director

31 December 2025

Resigned Chae, Heejae Richard as Director

31 December 2025

Resigned Hewins, Ralph Rex as Director

26 August 2025

Appointed Constantine, Hannah Kate as Secretary

26 August 2025

Resigned Boardman, Lynton David as Secretary

1 May 2025

Appointed Boardman, Lynton David as Secretary

30 April 2025

Resigned Lawrence, Anna as Secretary

29 April 2025

Appointed Van Ravenstein, Lucas as Director

29 April 2025

Resigned Waterman, Lynn Paul, Mr. as Director

1 January 2025

Appointed Mills, Christopher Harwood Bernard as Director

30 April 2024

Resigned Good, Stephen Paul as Director

25 March 2024

Appointed Chae, Heejae Richard as Director

11 March 2024

Appointed Ciliberti, Maria as Director

1 December 2022

Appointed Woon, Hin Yong Clement as Director

1 May 2022

Appointed Lawrence, Anna as Secretary

30 April 2022

Resigned Higgins, Laura Ann Maria as Secretary

26 April 2022

Resigned Hyland, Anne Philomena as Director

15 March 2022

Appointed Schoolenberg, Geertrui Elizabeth, Dr as Director

1 September 2021

Resigned Duff, Andrew James as Director

1 November 2020

Appointed Soden, Christine Helen as Director

29 April 2020

Resigned Boss, Sandra Lynne as Director

29 April 2020

Resigned Salmon, Nicholas Robin as Director

4 February 2020

Appointed O'Higgins, John Edward as Director

31 January 2018

Resigned Wong, Wai Chung as Secretary

31 January 2018

Appointed Higgins, Laura Ann Maria as Secretary

25 April 2017

Resigned Christie, Andrew Hildred as Director

1 March 2017

Appointed Deuring, Dorothee Anna as Director

1 February 2017

Appointed Boss, Sandra Lynne as Director

31 October 2016

Resigned Taylorson, Brian Geoffrey as Director

12 September 2016

Appointed Hewins, Ralph Rex as Director

8 February 2016

Appointed Waterman, Lynn Paul, Mr. as Director

7 February 2016

Resigned Dutro, David as Director

15 December 2014

Resigned Brindle, Ian as Director

31 October 2014

Resigned Matthews, Kevin Roger Kenneth, Dr as Director

20 October 2014

Appointed Salmon, Nicholas Robin as Director

20 October 2014

Appointed Good, Stephen Paul as Director

1 April 2014

Appointed Duff, Andrew James as Director

31 July 2013

Resigned Beeston, Robert Geoffrey as Director

31 July 2013

Resigned Girling, Christopher Francis as Director

1 June 2013

Appointed Hyland, Anne Philomena as Director

11 August 2008

Appointed Christie, Andrew Hildred as Director

24 April 2008

Resigned Minton, Kenneth Joseph as Director

31 January 2008

Resigned Peacock, Matthew Roy as Director

15 June 2007

Resigned Silverwood, Kathryn as Secretary

21 May 2007

Appointed Wong, Wai Chung as Secretary

26 April 2007

Resigned Bramson, Edward John as Director

17 January 2007

Appointed Dutro, David as Director

14 December 2006

Appointed Silverwood, Kathryn as Secretary

14 December 2006

Resigned Murphy, Jennifer Mary as Secretary

22 September 2006

Appointed Beeston, Robert Geoffrey as Director

15 December 2005

Resigned Prudden, Mark Darren as Secretary

15 December 2005

Appointed Murphy, Jennifer Mary as Secretary

8 August 2005

Resigned Gaywood, Geoffrey Antony as Director

1 July 2005

Appointed Prudden, Mark Darren as Secretary

30 June 2005

Resigned Brown, Philip Damian as Director

30 June 2005

Resigned Brown, Philip Damian as Secretary

6 June 2005

Appointed Bramson, Edward John as Director

6 June 2005

Appointed Peacock, Matthew Roy as Director

6 June 2005

Appointed Minton, Kenneth Joseph as Director

6 June 2005

Appointed Brindle, Ian as Director

5 June 2005

Resigned Wilson, Edward Anthony as Director

5 June 2005

Resigned Hopkins, Keith George Grant, Dr as Director

29 April 2005

Appointed Girling, Christopher Francis as Director

28 April 2005

Resigned Hartnall, Michael James as Director

16 February 2005

Appointed Matthews, Kevin Roger Kenneth, Dr as Director

7 October 2004

Resigned Fry, Jonathan Michael as Director

1 August 2004

Appointed Hopkins, Keith George Grant, Dr as Director

30 December 2003

Resigned Mcneel, Richard Lee as Director

2 April 2002

Appointed Taylorson, Brian Geoffrey as Director

31 March 2002

Resigned Fairweather, George Rollo as Director

1 October 2001

Appointed Gaywood, Geoffrey Antony as Director

5 July 2001

Resigned Cole, Lyndon Evan, Dr as Director

28 July 2000

Appointed Brown, Philip Damian as Director

28 July 2000

Appointed Mcneel, Richard Lee as Director

14 July 2000

Resigned Parker, Michael Peter as Director

28 April 2000

Resigned Easton, Robert Alexander as Director

9 November 1999

Resigned Ratcliffe, James Arthur, Sir as Director

1 July 1999

Appointed Wilson, Edward Anthony as Director

1 July 1999

Appointed Ratcliffe, James Arthur, Sir as Director

30 April 1999

Resigned Mellor, Hugh Salisbury as Director

30 April 1999

Resigned Heaton, Frances Anne as Director

13 November 1998

Resigned Turcan, William James as Director

1 October 1998

Appointed Cole, Lyndon Evan, Dr as Director

11 December 1997

Appointed Easton, Robert Alexander as Director

11 December 1997

Appointed Fry, Jonathan Michael as Director

11 December 1997

Appointed Mellor, Hugh Salisbury as Director

11 December 1997

Appointed Hartnall, Michael James as Director

11 December 1997

Appointed Parker, Michael Peter as Director

11 December 1997

Appointed Heaton, Frances Anne as Director

21 November 1997

Resigned Harrington, Michael as Nominee Secretary

21 November 1997

Resigned Waterlow Secretaries Limited as Corporate Nominee Director

21 November 1997

Resigned Waterlow Nominees Limited as Corporate Nominee Director

19 November 1997

Appointed Fairweather, George Rollo as Director

19 November 1997

Appointed Brown, Philip Damian as Secretary

19 November 1997

Appointed Turcan, William James as Director

7 January 1997

Appointed Harrington, Michael as Nominee Secretary

7 January 1997

Appointed Waterlow Nominees Limited as Corporate Nominee Director

7 January 1997

Appointed Waterlow Secretaries Limited as Corporate Nominee Director

Group structure 7 companies

Ownership group derived from the Companies House PSC register

Elementis PLC This company

Elementis Holdings Limited Owns 75–100% of shares

Alchemy Ingredients Limited Owns 75–100% of shares

Elementis UK Limited Owns 25–50% of shares

Elementis Overseas Investments Limited Owns 75–100% of shares

Elementis Securities Limited Owns 75–100% of shares

Agrichrome Limited DissolvedOwns 75–100% of shares

Filings

Recent filings only. See the full history on Companies House

Date	Description	Made Up To	Pages	PDF
15 September 2026	Cancellation of shares
10 September 2026	Purchase of own shares
10 September 2026	Purchase of own shares
10 September 2026	Cancellation of shares
10 September 2026	Cancellation of shares