Founded by Susan McDonald and John Glencross in 1999, Calculus Capital, based in Mayfair, London has grown steadily to become an acknowledged industry leader in unquoted company investment.

The company has approximately £150 million under management and has a range of tax efficient funds (Enterprise Investment Schemes and Venture Capital Trusts) which invest UK growth companies predominantly in the unquoted market. Current key areas for investment are technology, life sciences and media and entertainment.

Calculus is looking to appoint a Chief Operating Officer (COO) to a newly created role.


The Chief Operating Officer (COO) will have responsibility for the operational and administrative functions of the business. The individual will report to the Chief Executive Officer (CEO). They will support the CEO and will collaborate with the CEO in implementing organisational vision and operational strategy. The individual will communicate regularly with the CEO concerning policy recommendations and suggested courses of action pertinent to developing and ensuring operational efficiency. The individual will support the wider management team by providing leadership in administrative and operational matters.

The COO will have overall responsibility and authority for technology, administrative and support systems across the company, including those of the Investment Team and Investor Relations team. They will be responsible for analysing internal operations, identifying areas of process and systems enhancement, ensuring alignment of systems across the organisation and for building scalable systems.

The heads of the Investment Team, the Investor Relations team and the Portfolio Management team will continue to report direct to the Chief Executive Officer on investment, client facing and marketing related activities.

The COO will have oversight of the management of all external relationships relating to administrative, operational and support functions.

The COO will have responsibility and authority for direction, evaluation and co-ordination for the following functions and activities:

Technology and systems,

Finance and administration,

Data analytics, metrics and performance evaluation

Risk management and contingency planning,


Company legal

Human resources

New fund and business structures                                                                         

Facilities management and support



The COO will be responsible for evaluating and analysing business performance, including revenues, costs and contingent risks, across the business and will oversee the implementation of agreed change strategies. The individual will analyse and interpret data metrics and develop KPIs that align with operational and financial efficiency and measure competitiveness against the company’s peer group. They will report regularly to, and liaise with the CEO, on these matters.


The COO will support the CEO in developing and establishing new business initiatives and will be responsible for the structuring process of establishing new funds and special purpose vehicles.


The successful candidate will ideally have:  

A finance or business qualification

Experience of working at a senior managerial level within a financial organisation

Be able to demonstrate strong financial and analytical skills and be able to analyse and assess risk

Experience of developing appropriate KPIs for firms operating in the PE and venture capital markets

Experience of the legal and technical aspects of analysing and implementing appropriate fund structures for new fund ventures

Ability to lead and drive organisational change initiatives

A collaborative approach together with relationship building skills

Calculus operates a hybrid working model, but the successful candidate will be expected to be in the office for an average of at least three days per week and more as and when required.

Competitive remuneration package offered

Cover letter and CV to [email protected] by 14th April 2022