Calculus Capital Limited
Company 03861194 Active
Connected board network
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This company's record is public. The network of who else its directors govern is compiled from the registers by us, and an account keeps it out of bulk scrapers.
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How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
2 directors on the board
- Arthur John Glencross Director · appointed 1999
- Susan Rebecca Mcdonald Director · appointed 1999
Directors past 6 years
- Arthur John Glencross Director · appointed 1999
- Susan Rebecca Mcdonald Director · appointed 1999
First-time vs portfolio directors
Portfolio (2)
- Arthur John Glencross Director · appointed 1999
- Susan Rebecca Mcdonald Director · appointed 1999
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Gaps to watch
- Several long-serving directors could step down together
Where to look Suggested search: succession planning for long-tenured seats.
Related organisations iRelated organisationsTwo groups, both deterministic from public records. Related organisations share two or more directors with this board - a real structural link, such as a subsidiary or group company. Connected through a shared director share exactly one person - a genuine connection, but not the same group.
Related organisations
- Calculus Group Limited 2 shared directors
Connected through a shared director
- Calculus Asset Management Limited 1 shared director
- Mcdonald Glencross Limited 1 shared director
- Calculus Capital Partners Limited 1 shared director
- Calculus Nominees Limited 1 shared director
- Calculus Media Limited 1 shared director
Deterministic, from public records.
Company details
| Number | 03861194 |
| Status | Active |
| Type | Private Limited Company |
| Incorporated | 19/10/1999 |
| Address | 12 CONDUIT STREET, LONDON,, W1S 2XH |
| Accounts next due | 31/07/2027 |
| Accounts last made up | 31/10/2025 |
Industry (SIC)
Ownership - persons with significant control (1)
- Calculus Holdings Limited
ownership of shares 75-100% voting rights 75-100% right to appoint and remove directors
Owns 5 companies iOwnsCompanies where this company is registered as having significant control, from the Companies House PSC (persons with significant control) register.
- Calculus Nominees Limited
75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 - Calculus Asset Management Limited
75-100% shares, 75-100% voting · notified 2016-04-06 - Arcis Biotechnology Holdings Limited
appoints directors · notified 2016-04-06 - Tauo 2025 Limited ceased 2019-12-20
25-50% shares · notified 2016-04-06 - OB Realisations 2021 Limited ceased 2018-09-11
50-75% shares · notified 2018-06-06
Officers (14)
- Julie Hong Nhan Ngo Secretary · appointed 2021
- Arthur John Glencross Director · appointed 1999
- Susan Rebecca Mcdonald Director · appointed 1999
Show 11 former officers
- Natalie Krystyna Evans Secretary · appointed 2019 · resigned 2024
- Robert Martin Davis Director · appointed 2018 · resigned 2019
- Kenneth Edwards Director · appointed 2012 · resigned 2025
- Diane Seymour-Williams Director · appointed 2007 · resigned 2012
- David Malcolm Thomson Director · appointed 2005 · resigned 2006
- Herman Constantyn Van Der Wyck Director · appointed 2004 · resigned 2005
- Lesley Susan Watkins Secretary · appointed 2002 · resigned 2019
- Mark Thompson Secretary · appointed 1999 · resigned 2007
- Doreen Julie Langston Director · appointed 1999 · resigned 2005
- L.C.I. Secretaries Limited Corporate-secretary · appointed 1999 · resigned 1999
- L.C.I. Directors Limited Corporate-director · appointed 1999 · resigned 1999
Directors and officers on the Companies House record, current and former.
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