ZZI is well-established software development and cloud application Provider Company. As far as the business area is concerned is specialized in supply chain electronic data interchange, eInvoicing, Customs administration digitalization and Foreign Trade solutions. The highly efficient, well-educated, experienced team and ZZI developed advanced Mission Critical systems are well recognized in the CEE region.

ZZI employ 60 experts in Ljubljana and 4 in Podgorica. ZZI Podgorica was established in 2004 and is covering the coordination, development and sales activities locally of ZZI products and SW development for Montenegro Customs administration and other business customers. Around 100 companies use ZZI services and solutions in Montenegro.

ZZI is an active member of many associations and invest a lot in cooperation and partnerships. We are a member of Slovenian ICT association, Slovenian Chamber of Commerce, Slovenian National Forum for eInvoices, EU Institute of Standardization, Euro chambers and we participate in the European Multi-Stakeholder Forum on Electronic Invoicing (EMSFEI). ZZI is also compliant for EU eIdas based services like eArchiving and eDelivery.


Products and services

  • Design and Branding
  • Digital Marketing
  • Web Development
  • Mobile development
  • Project management
  • UX UI design
  • Enterprise Software Development
  • Cloud engineering, DevOps & Infrastructure
  • Big data, business inteligence & data visualization


Customs information systems in Slovenia and Montenegro
Statistical office information system and digital stat reporting in Slovenia.
Digital public procurement system – joint procurement and product catalogue in Slovenia


ul.Moskovska 77, 81000 Podgorica
020 229 560