ChemUnity in 2 pictures Sourcing Portal for Buyers Sourcing Portal for Sellers Request Online Demonstration		Home > Procurement Suite > Participation Agreement >           Buyers ChemUnity charges buyers a subscription fee of Euro 995 per month for up to six users. At implementation a licence fee and set-up fee will be applicable. There are no transaction fees. Suppliers For suppliers the usage of the Sourcing Portal is free of charge. Back-end Integration Both buyers and sellers may want to integrate one or more documents (such as purchase orders) into their back-end systems. ChemUnity uses XML middleware "Covast" to facilitate this optional service.