The subject and aim of this final paper is to describe the process of office operations in legal entities with public authority on the example of the utility company VIO Žrnovnica Crikvenica Vinodol d.o.o. whose primary activities are public water supply and public sewerage. The first part of the final paper describes the process of office operations in general, as it is defined in the Regulation on office operations and describes the basic concepts of office operations. The second part of the final paper contains the process of office operations in the company VIO Žrnovnica Crikvenica Vinodol d.o.o. which is based on the Ordinance adopted by the Company, from the receipt of acts and until their dispatch. Furthermore, the final paper describes digital office operations together with an explanation of the concepts of electronic document and electronic signature. Utility company MURVICA d.o.o. (one of the subjects of the merger and creation of VIO ŽCV d.o.o.) in 2014 introduced the complete digitalization of its office operations which showed all the advantages that such approach brings. The final step in office operations is archiving and extracting registry or archival material. At this stage of office operations, it is very important to cooperate with the competent State Archives, which monitors the entire implementation of the extraction procedure in order to safely store and preserve the material.