Log in to Ariba for efficient sourcing and supplier management, enhancing productivity and collaboration. Sign in to Ariba for sourcing opportunities and contract management. Sign in to Ariba for streamlined supplier management and enhanced business collaboration on SAP Business Network. SAP Business Network, formerly known to millions of companies around the world as Ariba Network, makes it straightforward for buyers and suppliers to collaborate on transactions, strengthen their relationships, and discover new business opportunities. Buyers can automate the entire procurement process from source to settle, while controlling spending, finding new sources of savings, and building a healthy, ethical supply chain. Suppliers can help buyers achieve their procurement ...