Company SOHAN cumulates more than 20 years of experiences in analysis, design and implementation of information systems, in project management of IT projects and their system integration as well as in related marketing and sales activities for their support. During these years we gathered „best practices“ in the whole scale of activities connected to IT projects implementation. In the role of consultant and sub-contractor we participated on complex implementation projects of information systems for large corporations, mostly in the area of finance, especially banking, payment cards and payment and fare collection systems in public transport.