Accounting, services in the field of accountancy, included in this class, invoicing, calculation of travel expenses and other calculations, pay slip and salary accounting; assistance for the realization of businesses and commercial transactions for third parties; consulting services concerning the operation, management and organization of an enterprise, in particular consulting services in order to optimize the administrative processes of an enterprise, included in this class; procurement services for third parties, thus the acquisition of goods and services for other enterprises; acceptance, handling as well as organizational and calculation processing of orders; procurement and conclusion of commercial transactions as well as contracts for third parties, in particular for the acquisition of goods and the performance of services, also within the scope of e-commerce and internet or other electronic media, included in this class; commercial management of the licensing of goods and services for third parties; services of an import and export agency; arrangement of commercial and business contacts; price inquiry for goods and services, generation of costs price analyses and price comparison services