Calculus Capital was incorporated in October 1999, previously called McDonald-Glencross Limited. It was co-founded by Susan McDonald and John Glencross, following careers in leading investment banks, and remains wholly owned by both in equal proportion.
Calculus Capital is one of the most well-known EIS providers in the industry, having launched the UK’s first HMRC approved EIS fund in 1999. Calculus now have approximately £147 million of assets under management. In addition to the 16 iterations of their EIS offering, Calculus also manage a VCT which was launched in March 2010.