For more than 18 years we successfully deal in the world of financial services. The 'Calculus' company was founded in 2004 as a result of many years of cooperation of a team of experts in the field of finance and bookkeeping, and a team specialized in developing business and bookkeeping applications. Currently it employs 8 people in permanent labor relation, mainly economists, from which 5 bookkeepers with the right to sign accounts, 2 projectors and about 10 outside associates specialized in giving services from related business fields. Cooperation with companies which deal with diverse activities, perfected our staff, so that we now have experts for every business field of our partners (manufacturing, wholesale trade, retail sale trade, tourism, publishing, marketing, ordinations, import, export, catering?) We do business with companies from Italy, Switzerland, Greece, Slovenia, Belgrade, Novi Sad, Podgorica?Among the users of our services, you can find small and medium private and public companies. The completeness of the services given to users, is accomplished through projecting, developing and implementing business software into companies, by which we perfect our and the business of our partners.