Business Joensuu news SMEs growth Internationalisation Start-up entrepreneurs City of Joensuu Start Me Up business idea competition Start-up Fund Joensuu City of Kitee Green transition City of Rääkkylä ICT and digitisation Photonics industry City of Outokumpu City of Polvijärvi Forest bioeconomy and circular economy Heinävesi Ilomantsi Tohmajärvi Forest Joensuu Business stories Tourism industry Placement in the Joensuu region Plastics and metal industry Investing in the Joensuu region