OIKON SI, Institute for Sustainable Development Ltd. provides specialized services in the field of sustainable development planning, economic and socio-economic professional areas, various evaluations of EU programs and projects and international development assistance.


The company was founded in December 2020 by OIKON Ltd. – Institute of Applied Ecology from Croatia and Slovenian consulting company CEDARS. This synergy created a consulting company and an institute with an extremely wide range of services and specialties in the field of sustainable development, unique in the region.

Economic Governance

Cost–Benefit analysis, Public financial management


Ecosystem Research, Environmental Studies, Nature Protection

Landscape Architecture

Landscape Studies, Landscape Assessments


Environmental Protection, GIS, Curriculum Development and Training


Environmental and Nature Monitoring, Natural Resource Management, Design and Environmental Monitoring for Construction Projects, Agricultural Monitoring

Remote Sensing & IT/GIS

Earth Observation and Terrestrial/Aerial Remote Sensing data Collection,  Processing and Analysis, Geo-statistics, Spatio-Temporal Modelling, Geospatial data Modelling and Analysis, GIS

Studies & Assessments

Environment and Nature Impact Assessment, Environmental and Nature Protection Reports, Feasibility, Renewable Energy, Mobility, Transport and Industrial Ecology Analyses, Program/Project Evaluations

Access to Finance

EU funds, Financial instruments, Project financing, VC and fund raising

Environmental Policy

Development of Strategic Plans, Policies, Program Development, Program/project evaluations

Contact us