Biosearch is a division of the W&R Barnett Group and has been in operation for over 20 years.(Top 250 Private Companies in the UK, Sunday Times Nov 2010)The Microbiological and Chemical Laboratory's test Water, Food, Feed and Environmental Swabs and Samples for Hospitals & Clinics, Water processing companies, the Food & Drink Industry and Feed Companies.With the largest UKAS accredited water testing facility in Ireland, we process half the drinking waters of the North and most of the leading Food and Drink Suppliers. Biosearch is further approved by M&S and Tesco for testing their suppliers.