The culture you will meet in Danish organisations naturally mimics the general culture in the Danish society. Danes are an autonomous people who value being able to plan their own time. Danes are keen on equal rights, social inclusion, informal atmosphere, collaboration and seeking consensus.
Danes are not big fans of hierarchy or nepotism; Danes value a person's actions, abilities and values first. Danes love planning and often far into the future but if plans have to change Danes adapt to fit the new reality. If you arrange something with a Dane they expect you to do what you promised because Danes as a default trust that people are true to their word.
You will meet the same in a Danish volunteer association: