The customer, which did not want to be named, specialises in building performance engineering, structural engineering and highways infrastructure.
Zest supplies copiers, scanners, printers and multi-function machines to schools and businesses. The company also installs multi-media projectors and interactive screens from brands including Ricoh, Olivetti, HP Samsung and Lexmark.Turnover has increased every year since its formation in 2016, and growth has trebled in the first three months of the financial year. Zest is now on course to beat all previous turnover records.
Anthony Gawthrop, who runs the company with fellow directors Craig Lemon and Leigh Hammond, said growth had surpassed all expectations and if it continued at the same pace, they were on course to be the top supplier of Ricoh machines in the UK.