OPENGAMMA LIMITED

Company summary

Company number: 06989069
Status: ACTIVE
Incorporated / age: 12 August 200917 years
Registered office: Capital House 8th Floor, 85 King William Street, London, EC4N 7BL, England
Accounts due: 31 December 2026
Confirmation statement due: 26 August 2027
Active officers: 2
Outstanding charges: 0

Sourced from Companies House, retrieved 13 October 2026 at 23:44 UTC. This is public register information, not a credit or legal assessment.

View this company on the Companies House register

Company type
Private limited company
Address
Capital House 8th Floor, 85 King William Street, London, EC4N 7BL, England
Nature of business
Information technology consultancy activities

Officer details

Name	Role	Appointed On	Resigned On	Country of Residence	Date of Birth	Address
LLEWELLYN-JONES, Justin Joseph ACTIVE	Director	16 Dec 2025		United States	March 1972	1, South Wacker Drive, Suite 1200, Chicago, Il 6060, United States
RYAN, Michael ACTIVE	Director	28 Jan 2026		United States	August 1969	1, South Wacker Drive, Suite 1200, Chicago, Il 60606, United States
GRAVITAS COMPANY SECRETARIAL SERVICES LIMITED RESIGNED	Secretary	12 Aug 2009	25 Feb 2026			One, New Change, London, EC4M 9AF
BEESTON, Mark Ian RESIGNED	Director	01 May 2014	07 Dec 2016	England	August 1971	International House, 24 Holborn Viaduct, London, EC1A 2BN, England
BEESTON, Mark Ian RESIGNED	Director	02 Aug 2012	31 Jan 2014	United Kingdom	August 1971	2, Broadgate, London, EC2M 7UR, England
BELL, Joshua Carl RESIGNED	Director	22 Mar 2019	10 Feb 2023	England	April 1978	5th Floor, One New Change, London, EC4M 9AF, England
CHAPLIN, Daniel Christopher RESIGNED	Director	10 Feb 2023	16 Dec 2025	England	March 1993	5th Floor, One New Change, London, EC4M 9AF, England
CHEUNG, Eric Darren RESIGNED	Director	13 Nov 2019	30 Jun 2025	United States	January 1984	5th Floor, One New Change, London, EC4M 9AF, England
CONDE, Cristobal Ignacio RESIGNED	Director	04 Nov 2014	16 Dec 2025	United States	April 1960	5th Floor, One New Change, London, EC4M 9AF, England
GIBSON, Steve RESIGNED	Director	09 Apr 2013	28 Mar 2019	United Kingdom	December 1971	Albert House, 256-260 Old Street, 5th Floor, London, EC1V 9DD, England
GOLDEN, Bruce RESIGNED	Director	14 Aug 2009	16 Dec 2025	United States	February 1959	5th Floor, One New Change, London, EC4M 9AF, England
HARDER, Kevin RESIGNED	Director	07 Jan 2022	31 Aug 2023	Germany	June 1994	5th Floor, One New Change, London, EC4M 9AF, England
LENIHAN JR., Lawrence David RESIGNED	Director	21 Dec 2010	30 May 2016	Usa	February 1965	120 West 45th Street, 19th Floor, New York, Ny 10036, United States
MESTCHIAN, Peyman RESIGNED	Director	15 Oct 2009	23 Sep 2014	United Kingdom	January 1967	185, Park Street, London, SE1 9BL, United Kingdom
MILLS, Roger RESIGNED	Director	26 Jan 2026	13 Oct 2026	United States	March 1970	1, South Wacker Drive, Suite 1200, Chicago, Il 60606, United States
NAKACHI, Masaru RESIGNED	Director	09 Apr 2013	31 Mar 2017	Usa	July 1973	Albert House, 256-260 Old Street, 5th Floor, London, EC1V 9DD, England
RAITEN, Gregory Karl RESIGNED	Director	20 Sep 2016	26 Jun 2019	United States	November 1981	100, 5th Avenue, Firstmark Capital, New York, Ny 10011, United States
RIPPON, Peter Edward RESIGNED	Director	01 Sep 2016	16 Dec 2025	England	September 1974	107, Leadenhall Street, 5th Floor, London, EC3A 4AF, England
ROGG, David RESIGNED	Director	26 Jun 2019	18 Oct 2019	United States	November 1989	Albert House, 256-260 Old Street, 5th Floor, London, EC1V 9DD, England
STRAMA, Patrik RESIGNED	Director	12 Sep 2023	16 Dec 2025	Germany	September 1985	5th Floor, One New Change, London, EC4M 9AF, England
WYLIE, David Kirk RESIGNED	Director	12 Aug 2009	30 Aug 2016	United Kingdom	August 1976	International House, 24 Holborn Viaduct, London, EC1A 2BN, England
ZBORIL, Brian Harold RESIGNED	Director	11 Apr 2019	16 Dec 2025	United States	June 1970	5th Floor, One New Change, London, EC4M 9AF, England

LLEWELLYN-JONES, Justin Joseph ACTIVE
Role: Director
Appointed on: 16 Dec 2025
Country of Residence: United States
Date of birth: March 1972
Address: 1, South Wacker Drive, Suite 1200, Chicago, Il 6060, United States

RYAN, Michael ACTIVE
Role: Director
Appointed on: 28 Jan 2026
Country of Residence: United States
Date of birth: August 1969
Address: 1, South Wacker Drive, Suite 1200, Chicago, Il 60606, United States

GRAVITAS COMPANY SECRETARIAL SERVICES LIMITED RESIGNED
Role: Secretary
Appointed on: 12 Aug 2009
Resigned on: 25 Feb 2026
Address: One, New Change, London, EC4M 9AF

BEESTON, Mark Ian RESIGNED
Role: Director
Appointed on: 01 May 2014
Resigned on: 07 Dec 2016
Country of Residence: England
Date of birth: August 1971
Address: International House, 24 Holborn Viaduct, London, EC1A 2BN, England

BEESTON, Mark Ian RESIGNED
Role: Director
Appointed on: 02 Aug 2012
Resigned on: 31 Jan 2014
Country of Residence: United Kingdom
Date of birth: August 1971
Address: 2, Broadgate, London, EC2M 7UR, England

BELL, Joshua Carl RESIGNED
Role: Director
Appointed on: 22 Mar 2019
Resigned on: 10 Feb 2023
Country of Residence: England
Date of birth: April 1978
Address: 5th Floor, One New Change, London, EC4M 9AF, England

CHAPLIN, Daniel Christopher RESIGNED
Role: Director
Appointed on: 10 Feb 2023
Resigned on: 16 Dec 2025
Country of Residence: England
Date of birth: March 1993
Address: 5th Floor, One New Change, London, EC4M 9AF, England

CHEUNG, Eric Darren RESIGNED
Role: Director
Appointed on: 13 Nov 2019
Resigned on: 30 Jun 2025
Country of Residence: United States
Date of birth: January 1984
Address: 5th Floor, One New Change, London, EC4M 9AF, England

CONDE, Cristobal Ignacio RESIGNED
Role: Director
Appointed on: 04 Nov 2014
Resigned on: 16 Dec 2025
Country of Residence: United States
Date of birth: April 1960
Address: 5th Floor, One New Change, London, EC4M 9AF, England

GIBSON, Steve RESIGNED
Role: Director
Appointed on: 09 Apr 2013
Resigned on: 28 Mar 2019
Country of Residence: United Kingdom
Date of birth: December 1971
Address: Albert House, 256-260 Old Street, 5th Floor, London, EC1V 9DD, England

GOLDEN, Bruce RESIGNED
Role: Director
Appointed on: 14 Aug 2009
Resigned on: 16 Dec 2025
Country of Residence: United States
Date of birth: February 1959
Address: 5th Floor, One New Change, London, EC4M 9AF, England

HARDER, Kevin RESIGNED
Role: Director
Appointed on: 07 Jan 2022
Resigned on: 31 Aug 2023
Country of Residence: Germany
Date of birth: June 1994
Address: 5th Floor, One New Change, London, EC4M 9AF, England

LENIHAN JR., Lawrence David RESIGNED
Role: Director
Appointed on: 21 Dec 2010
Resigned on: 30 May 2016
Country of Residence: Usa
Date of birth: February 1965
Address: 120 West 45th Street, 19th Floor, New York, Ny 10036, United States

MESTCHIAN, Peyman RESIGNED
Role: Director
Appointed on: 15 Oct 2009
Resigned on: 23 Sep 2014
Country of Residence: United Kingdom
Date of birth: January 1967
Address: 185, Park Street, London, SE1 9BL, United Kingdom

MILLS, Roger RESIGNED
Role: Director
Appointed on: 26 Jan 2026
Resigned on: 13 Oct 2026
Country of Residence: United States
Date of birth: March 1970
Address: 1, South Wacker Drive, Suite 1200, Chicago, Il 60606, United States

NAKACHI, Masaru RESIGNED
Role: Director
Appointed on: 09 Apr 2013
Resigned on: 31 Mar 2017
Country of Residence: Usa
Date of birth: July 1973
Address: Albert House, 256-260 Old Street, 5th Floor, London, EC1V 9DD, England

RAITEN, Gregory Karl RESIGNED
Role: Director
Appointed on: 20 Sep 2016
Resigned on: 26 Jun 2019
Country of Residence: United States
Date of birth: November 1981
Address: 100, 5th Avenue, Firstmark Capital, New York, Ny 10011, United States

RIPPON, Peter Edward RESIGNED
Role: Director
Appointed on: 01 Sep 2016
Resigned on: 16 Dec 2025
Country of Residence: England
Date of birth: September 1974
Address: 107, Leadenhall Street, 5th Floor, London, EC3A 4AF, England

ROGG, David RESIGNED
Role: Director
Appointed on: 26 Jun 2019
Resigned on: 18 Oct 2019
Country of Residence: United States
Date of birth: November 1989
Address: Albert House, 256-260 Old Street, 5th Floor, London, EC1V 9DD, England

STRAMA, Patrik RESIGNED
Role: Director
Appointed on: 12 Sep 2023
Resigned on: 16 Dec 2025
Country of Residence: Germany
Date of birth: September 1985
Address: 5th Floor, One New Change, London, EC4M 9AF, England

WYLIE, David Kirk RESIGNED
Role: Director
Appointed on: 12 Aug 2009
Resigned on: 30 Aug 2016
Country of Residence: United Kingdom
Date of birth: August 1976
Address: International House, 24 Holborn Viaduct, London, EC1A 2BN, England

ZBORIL, Brian Harold RESIGNED
Role: Director
Appointed on: 11 Apr 2019
Resigned on: 16 Dec 2025
Country of Residence: United States
Date of birth: June 1970
Address: 5th Floor, One New Change, London, EC4M 9AF, England

Filing history

Timeline

People with significant control

Charges

Created	Status	Filings
16 Mar 2021	Satisfied	Registration of a charge (MR01) (opens in a new tab)Satisfaction of a charge (MR04) (opens in a new tab)
19 Mar 2010	Satisfied	Registration of a charge (MG01) (opens in a new tab)All of the property or undertaking no longer forms part of the charge (MR05) (opens in a new tab)

Registers

Exemptions

No PSC exemptions are recorded for this company.

Legal Entity Identifier

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