In 2007, she edited a guide to eco-friendly living, A Slice of Organic Life: Get Closer to the Soil Without Going the Whole Hog, which she followed a year later by publishing a how-to guide for celebrating Christmas in an environmentally friendly way, called A Greener Christmas.
In June 2013, she launched a "concept jewellery" label Loquet London with her friend and model Laura Bailey.
Goldsmith frequently contributed as a columnist to various national newspapers and other UK publications; she has three children by her former husband, Zac Goldsmith, former Conservative MP for Richmond Park, whom she divorced in 2010.