Jo Idar Sponås is a private shareholder. Jo Idar Sponås holds stakes in 2 companies.

Companies Jo Idar Sponås owns

Company	Stake	Value (est.)
BYGGTØMRER NORGE AS	33.3%	–
NORHEIMS HOLDING AS	15.0%	–

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.