EN
A consortium is one of the forms of cooperative activity often chosen in situations where technical, financial or human resources of companies are limited. The study attempts to assess the role of consortia in the forest service sector in Regional Directorate of the State Forests in Zielona Góra (western Poland) in years 2011−2018. In order to carry out the research, a database of enterprises was created. It consisted of entities listed as ‘contractors who submitted their offers’ in ‘notification of the best bid selection’ derived from the procedures of public procurement in the field of forestry (forest management, forest protection including fire prevention, harvest and skidding of timber, soil preparation, nursery works and seed collection) for years 2012−2020. The database consisted of 333 firms that participated in 169 tender procedures in 20 forest districts. Basing on the analysis of tenders for forest services, an activity of forest companies was assessed. The detailed analysis included the participation of companies in consortia, including the number and composition of consortia. In addition, the number of bids submitted by consortia and individual companies was analyzed, as well as the criteria for the evaluation of bids in terms of number, type and weight. It was found that more than 80% of companies operated in consortia. The vast majority of consortia were created for the needs of a given proceeding. The dynamics of cooperative activity was influenced by non−price criteria used in proceedings on forest services along with their weight, as well as the introduction of harvesting packages.