Dunedin Enterprise Investment Trust plc is a private equity investment trust that specializes in investing in UK mid-market buyouts. The company primarily generates revenue through capital appreciation of its investments in unquoted companies, which are held through both Dunedin-managed funds and third-party managed funds. Its portfolio includes investments in sectors such as technology and energy, serving a diverse range of customers. Dunedin operates primarily within the UK, with its investment strategy focused on management buyouts and growth-stage businesses.