The Ernest Kleinwort Charitable Trust makes grants to charities working in the area of wildlife and environmental conservation in the UK and internationally. The international grants are primarily for conservation projects in the developing world. Applicants may request medium grants (up to £10 thousand) and large grants (over £10 thousand). The Trust offers four application windows for medium grants with deadlines on 11 February, 19 May, 20 August, and 19 November as well as two applications windows for large grants with deadlines on 04 March and 10 September.