Roy Tronstad is a private shareholder. Roy Tronstad holds stakes in 3 companies, and roles in several others.

Companies Roy Tronstad owns

Company	Stake
T-PYRO AS	100.0%
NORTH STAR FIREWORKS AS	17.5%
CILLCO AS	0.2%

Roles

Daglig leder

1 selskap

T-PYRO AS 915574890

Deltaker med fullt ansvar

1 selskap

TRONSTAD ESTUDIO ANS 982068371

Forretningsfører

1 selskap

TRONSTAD ESTUDIO ANS 982068371

Styremedlem

1 selskap

NORTH STAR FIREWORKS AS 915553621

Styrets leder

1 selskap

T-PYRO AS 915574890

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

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