Berre Ellefsen is an architectural firm established in 2018, specializing in consulting for urban development and transformation tasks. The company offers services related to the curation and production of exhibitions and publications. With a strong background in architecture, urbanism, architectural history and cultural heritage conservation, they have built up considerable expertise in these areas.
The business also has experience in managing research and dissemination projects, and collaborates with various networks to strengthen competence and capacity in its field. Berre Ellefsen has contributed to the literature on Norwegian architecture, including as the author of volume 4 of a five-volume work covering the period 1940–1980. The company has a broad approach to architecture, focusing on more than just the most famous architects.