Preparation of payrolls,with the corresponding modifications of each month: holidays, extra services, nocturnities, etc. And also, quarterly calculations of each worker’s withholdings. Obtaining the Quote Account Code for both companies and freelancers. Processing and shipping of Social Insurance,through the Siltra System. Processing in the SEPE of the Employment Contracts:elaboration and sending to the SEPE in a telematic manner, processing of the extensions of the contracts through the SEPE service: contrat@. Preparation and processing in both Social Security and SEPE of finiquitos and communication of company certificates.