HOME ABOUT OFFICERS FOUNDATION CONTACT US UM HOLDINGS LTD. 56 N. HADDON AVE. HADDONFIELD, NJ, 08033 UNITED STATES UM Holdings Ltd. is a privately-held firm founded in 1972. The firm owns and manages a portfolio of companies with a mission to increase net worth through appreciation in the value of an evolving array of assets. UM takes either a controlling or minority position in businesses that demonstrate profit and growth potential with prudent risk.