There are seven thousand one hundred and thirty-one active companies have been registered in Welwyn Hatfield. Meanwhile we have found three hundred and six not active business entities registered in Welwyn Hatfield.In 2016: the total assets of all businesses registered in Welwyn Hatfield were £342951.34k. The total cash of all companies working in the town were £97471.56k. The liabilities of all businesses were £812.26k in 2015.