Tetrabyte offers business information systems and products for small and smaller midsize enterprises. Their team of 6 people created Pezar Secunda, a bookkeeping software that provides support for all aspects of a company's business operations. They also offer PezNAR, an online shop solution that allows for easy e-commerce. Tetrabyte aims to switch all users of existing solutions to their products in the first phase and then expand their customer network in the second phase of their business plan.