Disinfectant supplier Tristel’s profit spikes as new chief flown in Business Disinfectant supplier Tristel reported its pre-tax profit rose by 39 per cent to £7.1m over the last year, as the cleaning company appointed a new chief exec to its helm. The company, which primarily sells disinfectant chemicals for medical devices to hospitals, reported record revenue and “strong cash generation”, in its audited preliminary results today. [...]