biztrac. BETA
PR

Preben Riska

Private shareholder 0558 OSLO NO

Preben Riska is a private shareholder with an estimated portfolio value of NOK 2.3m. Preben Riska holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 2.3m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Preben Riska owns

CompanyStakeValue (est.)
PR-HOLDING AS 100.0% NOK 2.3m

Roles

Styrets leder

16 selskaper

Styremedlem

9 selskaper
ULS AS 914345669
PACK EIENDOM AS 931057057
PREKA CASTRUM AS 928148521
VASSKLIPPARN AS 830649182
F&L ADVISORY AS 934266072
SØNDRE GATE 19 AS 989362240

Daglig leder

4 selskaper

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Former roles

JOTUNHEIMEN SYSTEMS AS Daglig leder resigned

Roles the person has resigned from, or that have been deregistered

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.

Report a problem

Found a technical fault, or something wrong in the data? Tell us what happened.