Ars Nova Copenhagen collaborates with a number of other ensembles. Among these:

Concerto Copenhagen
http://www.coco.dk

Athelas Sinfonietta Copenhagen
http://www.athelas.dk

Theatre of Voices
http://theatreofvoices.com

Raschèr Saxophone Quartet
http://www.rsq-sax.com

Dacapo Records
http://www.dacapo-records.dk

Harmonia Mundi USA
http://www.harmoniamundi.com