Guthrie (J. & W.) & Andrew Wells

J. & W. Guthrie & Andrew Wells was the successor to J. & W. Guthrie. Andrew Wells had joined the firm in 1895 and it became J. & W. Guthrie & Andrew Wells in 1897. This remained the firm’s name until the early 1960s, when it became Guthrie & Wells. Andrew Wells had previously worked with Daniel Cottier, becoming one of his chief assistants, before spending sometime in Australia with Lyon, Cottier & Co. in Sydney.

Sources:
Glasgow School of Art archives – Guthrie-and-Wells-ltd
Mackintosh-architecture – University of Glasgow catalogue