Mensa International Limited

Active00848100 Private company limited by guarantee
Incorporated
7 May 1965 (61 years)
Industry
Activities of other membership organizations n.e.c. (94990)
Directors
Shintaro Okuno
Jon William Gruebele
Accounts type
Small
Region
East Midlands
Address
The Old Post Office Main Road
Stickney
Boston
PE22 8AY

Filing status

Accounts due
30 September 2027
Last accounts
31 December 2025
Conf. stmt due
7 February 2027
Last conf. stmt
24 January 2026

Officers 10 active

Officer details are public data from the Companies House register.

Okuno, Shintaro
Director · Appointed 22 September 2026
Japanese
Born September 1981 (45)
Director · Appointed 14 December 2025
Also at British Mensa Limited
British
Born May 1957 (69)
Williams, Richard Ashley
Secretary · Appointed 1 September 2025
Gruebele, Jon William
Director · Appointed 1 August 2025
American
Born January 1956 (70)
Jäger, Mel Chris Wolf, Mx
Director · Appointed 21 June 2025
German
Born October 1990 (36)
Burcusel, Sorana
Director · Appointed 1 July 2024
Romanian
Born July 1973 (53)
Crawford, Robin Jill
Director · Appointed 1 July 2024
American
Born November 1962
Kostić, Jovana
Director · Appointed 1 July 2024
Serbian
Born December 1983 (42)
Olsen, Eivind Frydenlund
Director · Appointed 14 July 2023
Norwegian
Born May 1976 (50)
Froehler, Peter Heinrich Walter
Director · Appointed 20 June 2022
German
Born September 1947 (79)
Officer history (69 former)
22 September 2026
Appointed Okuno, Shintaro as Director
14 December 2025
Appointed Sidebottom, Joanna Mary as Director
31 October 2025
Resigned Corson, Arnoldine Rachael as Director
1 September 2025
Appointed Williams, Richard Ashley as Secretary
31 August 2025
Resigned Feenan, Michael Leonard as Secretary
1 August 2025
Appointed Gruebele, Jon William as Director
20 July 2025
Resigned Norris, Lori Jean as Director
21 June 2025
Appointed Jäger, Mel Chris Wolf, Mx as Director
19 April 2025
Resigned Moodie, Therese Anne as Director
20 January 2025
Resigned Rootkin, Ann Karen as Director
20 January 2025
Appointed Corson, Arnoldine Rachael as Director
1 July 2024
Resigned Liljeqvist, Björn Jan-Olof as Director
1 July 2024
Appointed Moodie, Therese Anne as Director
1 July 2024
Resigned Tan, Kee Aun as Director
1 July 2024
Appointed Kostić, Jovana as Director
1 July 2024
Appointed Crawford, Robin Jill as Director
1 July 2024
Appointed Burcusel, Sorana as Director
1 July 2024
Resigned Holz, Isabella as Director
1 July 2024
Resigned Cywinski, Jacek as Director
27 October 2023
Appointed Rootkin, Ann Karen as Director
27 October 2023
Resigned Leek, Christopher Johannes as Director
14 July 2023
Appointed Olsen, Eivind Frydenlund as Director
21 May 2023
Resigned Martínez, José Luis as Director
20 June 2022
Appointed Froehler, Peter Heinrich Walter as Director
4 June 2022
Resigned King, Timothy Joseph as Director
4 June 2022
Appointed Norris, Lori Jean as Director
1 November 2021
Resigned Fröhler, Peter Heinrich Walter, Herr as Director
10 July 2021
Appointed King, Timothy Joseph as Director
10 July 2021
Appointed Martínez, José Luis as Director
10 July 2021
Appointed Tan, Kee Aun as Director
1 July 2021
Resigned Bakerink, Larae as Director
1 July 2021
Resigned Dettinger, Mark Steffen as Director
11 January 2021
Resigned Balanyi, Bibiana as Director
25 November 2019
Appointed Cywinski, Jacek as Director
13 October 2019
Resigned Challupner, Rudolf as Director
1 July 2019
Appointed Liljeqvist, Björn Jan-Olof as Director
1 July 2019
Appointed Holz, Isabella as Director
1 July 2019
Resigned Burg, Daniel Benjamin as Director
1 July 2019
Resigned Sanford, Nicholaus Lynn as Director
25 January 2019
Resigned Hellmonds, Hans Peter as Director
25 January 2019
Appointed Fröhler, Peter Heinrich Walter, Herr as Director
1 November 2017
Appointed Hellmonds, Hans Peter as Director
1 November 2017
Resigned Wiechers, Jens as Director
1 July 2017
Appointed Bakerink, Larae as Director
1 July 2017
Appointed Burg, Daniel Benjamin as Director
1 July 2017
Resigned Blumenstein, Tomas as Director
1 July 2017
Resigned Liljekvist, Björn Jan-Olof as Director
1 July 2017
Resigned Stone, Deborah as Director
1 July 2017
Resigned Moodie, Therese Anne as Director
1 July 2017
Appointed Sanford, Nicholaus Lynn as Director
1 July 2017
Appointed Dettinger, Mark Steffen as Director
1 July 2015
Resigned Kjolstad, Lars Endre as Director
1 July 2015
Resigned Burg, Daniel Benjamin as Director
1 July 2015
Resigned Rudolph, Elissa as Director
1 July 2015
Appointed Balanyi, Bibiana as Director
1 July 2015
Appointed Stone, Deborah as Director
1 July 2015
Appointed Blumenstein, Tomas as Director
5 May 2015
Appointed Wiechers, Jens as Director
29 April 2015
Resigned Berrymore, Vanitas as Director
10 July 2014
Appointed Berrymore, Vanitas as Director
12 April 2014
Resigned Moehl, Matthias as Director
1 July 2013
Appointed Challupner, Rudolf as Director
1 July 2013
Appointed Moodie, Therese Anne as Director
1 July 2013
Appointed Kjolstad, Lars Endre as Director
1 July 2013
Appointed Burg, Daniel Benjamin as Director
30 June 2013
Resigned Balanyi, Bibiana as Director
30 June 2013
Resigned Kuyper, Cynthia Willis as Director
30 June 2013
Resigned Bouwens, Johannes Willem as Director
30 June 2013
Resigned Herbert, Sylvia as Director
12 January 2012
Appointed Moehl, Matthias as Director
1 July 2011
Resigned Warlies, Christine Danielle as Director
1 July 2011
Appointed Liljekvist, Björn Jan-Olof as Director
1 July 2011
Appointed Kuyper, Cynthia Willis as Director
1 June 2011
Resigned Theasby, Deborah Eve as Director
1 July 2009
Appointed Theasby, Deborah Eve as Director
1 July 2009
Appointed Herbert, Sylvia as Director
1 July 2009
Appointed Warlies, Christine Danielle as Director
1 July 2009
Appointed Rudolph, Elissa as Director
1 July 2009
Appointed Balanyi, Bibiana as Director
30 June 2009
Resigned Kirsch, Stacey Marie as Director
30 June 2009
Resigned Zwanenburg, Godwin Dirk as Director
30 June 2009
Resigned Knights, Tim as Director
30 June 2009
Resigned Bakke, Merlin Russell as Director
30 June 2009
Resigned Werdell, James as Director
1 October 2007
Resigned Paines, Jonathan Lee as Secretary
1 October 2007
Resigned Paines, Jonathan Lee as Director
1 July 2007
Appointed Zwanenburg, Godwin Dirk as Director
12 February 2007
Appointed Feenan, Michael Leonard as Secretary
24 January 2007
Appointed Paines, Jonathan Lee as Secretary
23 January 2007
Resigned Kelly, Carmel Marie as Secretary
8 September 2006
Appointed Kelly, Carmel Marie as Secretary
8 September 2006
Resigned Vincent, Edward James as Secretary
12 August 2006
Appointed Knights, Tim as Director
1 July 2005
Resigned Becker, Jean as Director
1 July 2005
Resigned Boswell, Peter William as Director
1 July 2005
Resigned Herbert, Sylvia as Director
1 July 2005
Appointed Bakke, Merlin Russell as Director
1 July 2005
Appointed Bouwens, Johannes Willem as Director
1 July 2005
Appointed Paines, Jonathan Lee as Director
1 July 2003
Appointed Werdell, James as Director
1 July 2003
Appointed Herbert, Sylvia as Director
1 July 2003
Appointed Boswell, Peter William as Director
1 July 2003
Appointed Kirsch, Stacey Marie as Director
30 June 2003
Resigned Schultz, Udo as Director
30 June 2003
Resigned Kunz, Annette Elisabeth as Director
30 June 2003
Resigned Burger, Noel as Director
30 June 2003
Resigned Remine, Dave as Director
6 October 2001
Appointed Schultz, Udo as Director
6 October 2001
Resigned Bell, Carole as Director
1 July 2001
Appointed Burger, Noel as Director
1 July 2001
Appointed Kunz, Annette Elisabeth as Director
1 July 2001
Appointed Bell, Carole as Director
30 June 2001
Resigned Moodie-Bloom, Therese as Director
30 June 2001
Resigned Zwanenburg, Godwin as Director
30 June 2001
Resigned Kunz, Annette Elisabeth as Director
22 January 2001
Appointed Becker, Jean as Director
21 January 2001
Resigned Beatty, Robert as Director
1 January 2000
Resigned Hewitt, Pauline Judy as Director
1 January 2000
Resigned Moodie-Bloom, Therese as Secretary
1 September 1999
Appointed Leek, Christopher Johannes as Director
1 July 1999
Appointed Beatty, Robert as Director
1 July 1999
Resigned Chavdarov, George, Dr as Director
1 July 1999
Appointed Moodie-Bloom, Therese as Director
1 July 1999
Resigned Schultz, Udo as Director
1 July 1999
Appointed Moodie-Bloom, Therese as Secretary
28 September 1998
Appointed Chavdarov, George, Dr as Director
26 September 1998
Appointed Hewitt, Pauline Judy as Director
4 February 1998
Resigned Mattson, Arthur Elmer as Director
4 February 1998
Resigned Sinclair, Clive, Sir as Director
10 September 1997
Appointed Mattson, Arthur Elmer as Director
22 August 1997
Resigned Goulder, Neil Renshaw as Director
1 July 1997
Appointed Kunz, Annette Elisabeth as Director
30 June 1997
Resigned Nathan, Chitra as Director
9 July 1995
Resigned Amyx, Richard Alan as Director
9 July 1995
Appointed Remine, Dave as Director
1 July 1995
Resigned Jeremiah, Velma as Director
1 July 1995
Appointed Nathan, Chitra as Director
21 August 1993
Resigned Felt, David as Director
4 July 1993
Appointed Amyx, Richard Alan as Director
1 July 1993
Appointed Goulder, Neil Renshaw as Director
1 July 1993
Resigned Kirby, Richard, Doctor as 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 Mensa International Limited is registered as a person with significant control

Owns 75–100% of shares
Active

Financials

Net Assets
£771,916
Cash
£1,027,400
Employees
2
Debt Ratio
29%
Current Ratio
10.7x

Trend

Net Assets
£0 £500k £1.0M 2021 2022 2023 2024 £875,937 £934,820 £761,949 £771,916
Balance sheet detail
202420232022202120202019
Fixed Assets£1,916£2,240£3,156£5,262£5,554£3,195
Current Assets£1,087,097£1,158,811£1,146,778£1,031,592£916,272£629,234
Debtors£59,697£125,695£91,364£63,748£78,007£71,249
Cash£1,027,400£1,033,116£1,055,414£967,844£838,265£557,985
Creditors (< 1 year)£101,795£219,304£66,892£53,624£88,314£54,538
Creditors (> 1 year)£215,302£179,798£148,222£107,293
Net Current Assets£985,302£939,507£1,079,886£977,968£827,958£574,696
Net Assets£771,916£761,949£934,820£875,937
Shareholder Funds£771,916£761,949£934,820£875,937£833,512£577,891

What Mensa International say about themselves

“Welcome to Mensa, the High IQ Society. Mensa has around 150,000 members of all ages in 90+ countries worldwide.”

— from mensa.net

Filings 266

DateDescriptionMade Up ToPagesPDF
14 October 2026Accounts for a small company31 December 2025
26 September 2026Appointment of a director
5 February 2026Director's details changed
27 January 2026Confirmation statement with no updates24 January 2026
22 December 2025Termination of appointment of a director
Show all 266 filings

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