John Hogg Backs SwitchDye’s CO2-Responsive Dyeing Technology to Advance Sustainable Textiles

Manchester, UK – April 2026  – John Hogg Technical Solutions has announced a strategic minority equity investment in SwitchDye Limited, a University of Leeds spin-out.

This vital partnership aims to rapidly scale SwitchDye's pioneering CO2-responsive, drop-in dyeing system, answering the urgent industry need to significantly reduce chemical intensity, energy use, and water consumption in the dyeing of polyester and other synthetic fibres.