SWE is a leading technology & consultancy company in Marlborough, New Zealand – specialising in water engineering, electrical & automation solutions, filtration & irrigation. Southern Water Engineering is a leading water engineering consultancy in Marlborough. Established in 2007 by Stephen and Peter Leitch, we design, install, audit and service irrigation, fertigation, stockwater, effluent, water engineering and wastewater systems for clients throughout the South Island. We are specialists in vineyard irrigation and dairy water and we also work with large clients in the civic, agricultural and general irrigation arena. Our point of difference is the value we place on client relationships, our excellent design and workmanship, and our commitment to continuous quality improvement. We have a team of qualified and experienced staff and maintain a full fleet of vehicles and equipment, plus a full fabrication workshop. Our clients include major corporate vineyards such as Constellation, Yealands Estate, Treasury Estate, Pernod Ricard and Delegats.