A method for providing a multi-service platform to entities includes the storage of profiles for a plurality of entities involved in services with other entities, including point to point and business to business transactions, including entities not registered, that can be claimed by each entity, where each entity can provide for roles and hierarchies of authorized users of the platform for that entity, and where the platform is configured to provide, among other services, registration of procurement status for purchase orders in a digital ledger that provides for auditability and immutability.