An impact investment vehicle co-founded by the Hoare family has today opened to professional investors, part of its overarching goal to make high-quality impact investing more widely available.

Snowball’s total impact fund was founded four years ago by investors including C Hoare & Co’s Golden Bottle Trust, as well as Friends Provident Foundation and Skagen Conscious Capital.

Initially the fund was open only to its founding partners as it looked to prove its approach, under which it targets 3 to 4 percent above inflation net of fees, while investing with managers addressing the United Nations’ 17 sustainable d...