Tern PLC

Active05131386 Public limited company
Incorporated
18 May 2004 (22 years)
Previously known as
Silvermere Energy PLC (until 16 August 2013)
Chalkwell Investments PLC (until 14 July 2011)
Silvermere Energy PLC (until 30 June 2011)
Earlier: Chalkwell Investments PLC, The Core Business PLC
This list may be incomplete. See all names on Companies House
Industry
Activities of venture and development capital companies (64303)
Directors
Jane Catherine Karwoski
Accounts type
Full
Region
Greater London
Address
27/28 Eastcastle Street
London
W1W 8DH

Filing status

Accounts due
30 June 2027
Last accounts
31 December 2025
Conf. stmt due
1 June 2027
Last conf. stmt
18 May 2026

Charges

Total
1
Outstanding
0
Part satisfied
0
Satisfied
1

Officers 3 active

Officer details are public data from the Companies House register.

Karwoski, Jane Catherine
Director · Appointed 29 October 2024
American
Born July 1958 (68)
Director · Appointed 29 October 2024
Also at Silence Therapeutics PLC · more companies
British
Born January 1954 (72)
Corporate Secretary · Appointed 15 September 2023
Also at Great Southern Copper PLC, Orp Germany Limited, Nettledene Limited · more companies
Officer history (39 former)
30 June 2025
Resigned Ritchie, Ian Cleland as Director
29 October 2024
Appointed Karwoski, Jane Catherine as Director
29 October 2024
Resigned Howarth, Alan Miles as Director
29 October 2024
Resigned Payne, Sarah Louise as Director
29 October 2024
Appointed Ross, Iain Gladstone as Director
15 September 2023
Appointed Msp Corporate Services Limited as Corporate Secretary
15 September 2023
Resigned Payne, Sarah Louise as Secretary
9 August 2023
Resigned Scherba, Matthew as Director
9 August 2023
Resigned Leith, Bruce Henderson as Director
29 June 2023
Resigned Sisto, Albert Ernest as Director
30 March 2020
Appointed Scherba, Matthew as Director
15 January 2018
Resigned Turner, Richard Keith as Director
25 October 2017
Appointed Turner, Richard Keith as Director
20 October 2017
Resigned Forrest, Angus George Patrick as Director
1 June 2017
Appointed Ritchie, Ian Cleland as Director
23 November 2015
Appointed Howarth, Alan Miles as Director
1 September 2015
Appointed Payne, Sarah Louise as Secretary
1 September 2015
Appointed Payne, Sarah Louise as Director
31 August 2015
Resigned Keith, Philippa Anne as Secretary
29 July 2015
Resigned Clark, Michael John as Director
17 July 2015
Resigned Read, Laurence Thomas Martin as Director
4 February 2014
Resigned Kerr, Alastair Rawes as Director
4 February 2014
Appointed Sisto, Albert Ernest as Director
1 November 2013
Appointed Kerr, Alastair Rawes as Director
1 November 2013
Appointed Clark, Michael John as Director
16 August 2013
Appointed Leith, Bruce Henderson as Director
16 August 2013
Resigned Morrison, Andrew John Gowdt as Director
16 August 2013
Appointed Read, Laurence Thomas Martin as Director
16 August 2013
Appointed Keith, Philippa Anne as Secretary
16 August 2013
Resigned Moxon, Frank Hoyt as Director
16 August 2013
Resigned Cargil Management Services Limited as Corporate Secretary
16 August 2013
Appointed Forrest, Angus George Patrick as Director
16 August 2013
Resigned Dalby, Stewart James as Director
18 April 2012
Resigned Evers, Bruce George Alexander as Director
31 August 2011
Appointed Morrison, Andrew John Gowdt as Director
31 August 2011
Appointed Dalby, Stewart James as Director
31 August 2011
Appointed Moxon, Frank Hoyt as Director
31 August 2011
Appointed Cargil Management Services Limited as Corporate Secretary
31 August 2011
Resigned Roddison, John as Secretary
31 August 2011
Resigned Heus, Reinhold Adriaan Maria as Director
31 August 2011
Resigned Roddison, John as Director
14 February 2011
Appointed Roddison, John as Secretary
14 February 2011
Resigned International Registrars Limited as Corporate Secretary
10 January 2011
Resigned Knifton, Leo Ernest Vaughan as Director
10 January 2011
Resigned Weller, William Nigel Valentine as Director
2 December 2010
Appointed Heus, Reinhold Adriaan Maria as Director
2 December 2010
Appointed Evers, Bruce George Alexander as Director
29 November 2010
Appointed Roddison, John as Director
23 March 2010
Resigned Gilmour, Melissa Jane as Director
23 March 2010
Appointed Weller, William Nigel Valentine as Director
23 March 2010
Appointed International Registrars Limited as Corporate Secretary
23 March 2010
Resigned Cooper, Matthew Jonathan as Director
23 March 2010
Appointed Knifton, Leo Ernest Vaughan as Director
23 March 2010
Resigned Murray, Stirling Michael as Director
21 September 2009
Resigned Kennedy, Alastair John as Secretary
21 September 2009
Resigned Kennedy, Alastair John as Director
16 March 2009
20 November 2008
Appointed Zingraff, Muriel Valerie Fabienne as Director
1 November 2008
Appointed Cooper, Matthew Jonathan as Director
1 November 2008
Resigned Watson-Mitchell, Mark Nicholas as Director
1 September 2008
Resigned Gordon, Jack as Director
27 July 2007
Appointed Gordon, Jack as Director
24 July 2007
Resigned Jennings, May Louise as Director
12 April 2006
Appointed Kennedy, Alastair John as Director
12 April 2006
Appointed Kennedy, Alastair John as Secretary
12 April 2006
Resigned Abeyesinhe, Robin as Secretary
12 April 2006
Resigned Abeyesinhe, Robin as Director
16 November 2005
Appointed Jennings, May Louise as Director
16 November 2005
Resigned Murray, Linda as Director
16 November 2005
Appointed Gilmour, Melissa Jane as Director
16 November 2005
Appointed Abeyesinhe, Robin as Director
16 November 2005
Appointed Watson-Mitchell, Mark Nicholas as Director
16 November 2005
Resigned Murray, Linda as Secretary
16 November 2005
Appointed Abeyesinhe, Robin as Secretary
23 November 2004
Appointed Murray, Linda as Secretary
23 November 2004
Appointed Murray, Stirling Michael as Director
23 November 2004
Appointed Murray, Linda as Director
23 November 2004
Resigned Qa Registrars Limited as Corporate Nominee Secretary
23 November 2004
Resigned Qa Nominees Limited as Corporate Nominee Director
18 May 2004
Appointed Qa Registrars Limited as Corporate Nominee Secretary
18 May 2004
Appointed Qa Nominees Limited as Corporate Nominee Director

Ownership 0 active

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

The company has declared that it has no person with significant control.

Holdings 1

Companies where Tern PLC is registered as a person with significant control

Owns 25–50% of shares
Active

What Tern say about themselves

“Tern backs companies with proven Internet of Things (IoT) technology, based in the UK but with global ambition. We are always keen to speak to ambitious entrepreneurs in the IoT space looking for support to grow, so get in touch.”

— from ternplc.com

Filings 341

DateDescriptionMade Up ToPagesPDF
2 October 2026Statement of capital following an allotment of shares
23 July 2026Statement of capital following an allotment of shares
9 July 2026Resolutions
5 July 2026Full accounts31 December 2025
26 May 2026Statement of capital following an allotment of shares
Show all 341 filings

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