The Twentieth Century Society

Active05330664 Private company limited by guarantee
Incorporated
12 January 2005 (21 years)
Industry
Activities of other membership organizations n.e.c. (94990)
Accounts type
Total exemption full
Region
Greater London
Address
70 Cowcross Street
London
EC1M 6EJ

Filing status

Accounts due
30 September 2027
Last accounts
31 December 2025
Conf. stmt due
26 January 2027
Last conf. stmt
12 January 2026

Officers 17 active

Officer details are public data from the Companies House register.

Bryan-Brown, Michael
Secretary · Appointed 21 July 2026
Director · Appointed 11 July 2026
British
Born July 1971 (55)
Director · Appointed 11 July 2026
British
Born August 1969 (57)
Schlesinger, Polly
Director · Appointed 11 July 2026
British
Born January 1972 (54)
Director · Appointed 3 March 2026
British
Born October 1956 (70)
Alobaydi, Hiba
Director · Appointed 6 July 2024
British
Born July 1992 (34)
Coleman, Adam
Director · Appointed 6 July 2024
British
Born January 1981 (45)
England, Emma Louise
Director · Appointed 6 July 2024
British
Born December 1971 (54)
Director · Appointed 6 July 2024
British
Born November 1988
Mitchell, Colin
Director · Appointed 6 July 2024
British,American
Born May 1968 (58)
Parkes, Peter John
Director · Appointed 6 July 2024
British
Born July 1985 (41)
Director · Appointed 11 June 2022
British
Born June 1963 (63)
Saumarez-Smith, Otto, Dr
Director · Appointed 15 June 2019
British
Born June 1987 (39)
Director · Appointed 17 June 2017
British
Born July 1958 (68)
Jackson, Sarah Jane
Director · Appointed 18 June 2016
British
Born March 1965 (61)
Gates, Ellen
Director · Appointed 13 June 2015
American
Born January 1952 (74)
Director · Appointed 14 June 2014
British
Born February 1955 (71)
Officer history (66 former)
21 July 2026
Resigned Parmeter, Carolyn Jayne as Secretary
21 July 2026
Appointed Bryan-Brown, Michael as Secretary
11 July 2026
Resigned Parmeter, Carolyn Jayne as Director
11 July 2026
Appointed Bryan-Brown, Michael John as Director
11 July 2026
Appointed Rattray, Sandy Campbell as Director
11 July 2026
Appointed Schlesinger, Polly as Director
11 July 2026
Resigned Eastment, Mark as Director
11 July 2026
Resigned Pearman, Hugh Geoffrey as Director
3 March 2026
Appointed Milburn, Robert John as Director
5 July 2025
Resigned Jackson, Andrew Thomas as Director
5 July 2025
Resigned Gates, Ellen as Secretary
5 July 2025
Appointed Parmeter, Carolyn Jayne as Secretary
6 July 2024
Appointed Mitchell, Colin as Director
6 July 2024
Appointed Alobaydi, Hiba as Director
6 July 2024
Appointed Parkes, Peter John as Director
6 July 2024
Resigned Ruback, Peter Julian as Director
6 July 2024
Appointed Harper, Phineas Grant, Mx as Director
6 July 2024
Resigned Facey, Caz as Director
6 July 2024
Appointed Coleman, Adam as Director
6 July 2024
Appointed England, Emma Louise as Director
20 January 2024
Resigned Shasore, Neal Ethan, Dr as Director
15 August 2023
Resigned Mcinnes, Ian Gavin as Director
8 July 2023
Resigned Rosier, Jane Louise as Director
8 July 2023
Appointed Pearman, Hugh Geoffrey as Director
15 November 2022
Appointed Facey, Caz as Director
11 June 2022
Resigned Heath, David as Director
11 June 2022
Appointed Gates, Ellen as Secretary
11 June 2022
Appointed Gostick, Jeremy Loyd as Director
11 June 2022
Resigned Lane, Julia Mary as Director
11 June 2022
Resigned Clarke, John David as Director
11 June 2022
Resigned Lane, Julia Mary as Secretary
12 June 2021
Resigned Burn, Suzanne as Director
12 April 2021
Appointed Mcinnes, Ian Gavin as Director
24 November 2020
Resigned Arden, Barry as Director
31 October 2020
Appointed Eastment, Mark as Director
31 October 2020
Resigned Brittain-Catlin, Timothy as Director
15 June 2019
Resigned Calder, Barnabas William Luke, Dr as Director
15 June 2019
Resigned Van Heyningen, Simon, Professor as Director
15 June 2019
Appointed Jackson, Andrew Thomas as Director
15 June 2019
Appointed Shasore, Neal Ethan, Dr as Director
15 June 2019
Appointed Saumarez-Smith, Otto, Dr as Director
9 June 2018
Appointed Burn, Suzanne as Director
17 June 2017
Appointed Selley, Cela Anne Frances as Director
17 June 2017
Appointed Heath, David as Director
17 June 2017
Resigned Schofield, Matthew as Director
17 June 2017
Resigned Mcinnes, Ian Gavin as Director
26 July 2016
Appointed Lane, Julia Mary as Secretary
18 June 2016
Appointed Lane, Julia Mary as Director
18 June 2016
Appointed Jackson, Sarah Jane as Director
18 June 2016
Resigned Rutt, Nicola as Director
18 June 2016
Resigned Drake, Robert Andrew as Secretary
18 June 2016
Resigned Drake, Robert Andrew as Director
18 June 2016
Appointed Calder, Barnabas William Luke, Dr as Director
13 June 2015
Appointed Schofield, Matthew as Director
13 June 2015
Resigned Ling, Eva Mathilde as Director
13 June 2015
Appointed Clarke, John David as Director
13 June 2015
Resigned Calder, Barnabas, Dr as Director
13 June 2015
Appointed Gates, Ellen as Director
14 June 2014
Resigned Briggs, Daren as Director
14 June 2014
Appointed Powers, Alan Adrian Robelou as Director
14 June 2014
Appointed Arden, Barry as Director
12 September 2013
Resigned Banks, Michelle as Director
1 June 2013
Resigned Hopkins, Nevil William as Director
1 June 2013
Resigned Harwood, Elain, Dr as Director
1 June 2013
Appointed Van Heyningen, Simon, Professor as Director
1 June 2013
Resigned Powers, Alan Adrian Robelou as Director
1 June 2013
Appointed Calder, Barnabas, Dr as Director
1 June 2013
Appointed Rosier, Jane Louise as Director
1 June 2013
Appointed Parmeter, Carolyn Jayne as Director
26 May 2012
Appointed Drake, Robert Andrew as Secretary
26 May 2012
Appointed Rutt, Nicola as Director
26 May 2012
Appointed Banks, Michelle as Director
26 May 2012
Resigned Wartnaby, Simon Charles as Director
26 May 2012
Appointed Brittain-Catlin, Timothy as Director
26 May 2012
Appointed Ling, Eva Mathilde as Director
26 May 2012
Resigned Davidson, David Andrew as Director
26 May 2012
Resigned Wartnaby, Simon Charles as Secretary
22 June 2011
Resigned Duerden, Patrick as Director
22 June 2011
Resigned Bird, Edmund as Director
22 June 2011
Resigned Jackson, Neil Mckerrow Thornton, Professor as Director
22 June 2011
Resigned Dorey, Helen Fleure as Director
22 June 2011
Appointed Mcinnes, Ian Gavin as Director
22 June 2011
Resigned Collins, Nicholas Robert as Director
18 January 2011
Resigned Mirwitch, Joseph Simon as Director
23 November 2010
Resigned Simpson, Paul as Director
18 October 2010
Resigned Scott, David Andrew Campbell as Director
29 June 2010
Resigned Cherry, Bridget Katherine as Director
29 June 2010
Resigned Mason, Gillian as Director
29 June 2010
Resigned Stamp, Gavin Mark, Prof as Director
29 June 2010
Resigned Waters, Suzanne Elisabeth as Director
29 June 2010
Appointed Ruback, Peter Julian as Director
18 June 2009
Appointed Dorey, Helen Fleure as Director
18 June 2009
Resigned Mcinnes, Ian Gavin as Director
18 June 2009
Resigned East, John Brian as Director
18 June 2009
Appointed Briggs, Daren as Director
18 June 2009
Resigned Ling, Eva Mathilde as Director
18 June 2009
Appointed Scott, David Andrew Campbell as Director
18 June 2009
Resigned Turner-Bishop, Aidan as Director
18 June 2009
Resigned Jeffery, Roland Julian as Director
24 June 2008
Resigned Charlton, Susannah as Director
24 June 2008
Resigned Lincoln, Paul Alan as Director
24 June 2008
Appointed Hopkins, Nevil William as Director
24 June 2008
Appointed Bird, Edmund as Director
24 June 2008
Resigned Rhead, Eddie Michael as Director
24 June 2008
Appointed Simpson, Paul as Director
28 July 2007
Appointed Harwood, Elain, Dr as Director
28 June 2007
Appointed Drake, Robert Andrew as Director
28 June 2007
Resigned Reed, Caroline Mary as Director
28 June 2007
Appointed Jackson, Neil Mckerrow Thornton, Professor as Director
28 June 2007
Resigned Dorey, Helen Fleure as Director
4 August 2006
Resigned Archer, Zoe Lois Edwina as Director
31 May 2006
Appointed Bainbridge, Duncan Norman as Director
31 May 2006
Resigned Bainbridge, Duncan Norman as Director
31 December 2005
Resigned Bainbridge, Duncan Norman as Director
22 June 2005
Appointed Archer, Zoe Lois Edwina as Director
22 June 2005
Resigned Mcinnes, Diana, Dr as Director
22 June 2005
Resigned Rowley, David Michael, Dr as Director
22 June 2005
Resigned Atkinson, Harriet Rachel as Director
22 June 2005
Resigned Speake, Maria Natasha as Director
22 June 2005
Resigned Atkins, Annie as Director
22 June 2005
Appointed Wartnaby, Simon Charles as Director
22 June 2005
Appointed Duerden, Patrick as Director
22 June 2005
Appointed Collins, Nicholas Robert as Director
22 June 2005
Appointed Mirwitch, Joseph Simon as Director
22 June 2005
Appointed Rhead, Eddie Michael as Director
22 June 2005
Appointed Lincoln, Paul Alan as Director
22 June 2005
Appointed Reed, Caroline Mary as Director
12 January 2005
Appointed Bainbridge, Duncan Norman as Director
12 January 2005
Appointed Jeffery, Roland Julian as Director
12 January 2005
Appointed Ling, Eva Mathilde as Director
12 January 2005
Appointed East, John Brian as Director
12 January 2005
Appointed Mcinnes, Ian Gavin as Director
12 January 2005
Appointed Charlton, Susannah as Director
12 January 2005
Appointed Turner-Bishop, Aidan as Director
12 January 2005
Appointed Dorey, Helen Fleure as Director
12 January 2005
Appointed Cherry, Bridget Katherine as Director
12 January 2005
Appointed Speake, Maria Natasha as Director
12 January 2005
Appointed Mason, Gillian as Director
12 January 2005
Appointed Rowley, David Michael, Dr as Director
12 January 2005
Appointed Stamp, Gavin Mark, Prof as Director
12 January 2005
Appointed Mcinnes, Diana, Dr as Director
12 January 2005
Appointed Waters, Suzanne Elisabeth as Director
12 January 2005
Appointed Atkinson, Harriet Rachel as Director
12 January 2005
Appointed Wartnaby, Simon Charles as Secretary
12 January 2005
Appointed Atkins, Annie as Director
12 January 2005
Appointed Davidson, David Andrew as Director
12 January 2005
Resigned Swift Incorporations Limited as Corporate Nominee Secretary
12 January 2005
Appointed Powers, Alan Adrian Robelou as Director
12 January 2005
Appointed Swift Incorporations Limited as Corporate Nominee Secretary

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.

Financials

Balance sheet as at 31 December 2025 · total exemption full accounts

Trend

Employees
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Balance sheet detail
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Filings

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