Private · Person · registered roles
Hallgeir Østrem
Active in 66 companiesChair · Board memberBærum & Oslo
↳ Brreg · company_people
Role timeline
Haos Invest AS
Styrets leder
Entra Felleskost AS
Styremedlem
Entra Service AS
Styremedlem
Schweigaards Gate 15 AS
Styremedlem
Universitetsgata 2 AS
Styremedlem
Biskop Gunnerus' Gate 6 AS
Styremedlem
Biskop Gunnerus' Gate 14a AS
Styremedlem
Entra Labs AS
Styremedlem
since 2022 · bars start at the registry's change date — full periods are not published
Across their companies66 · rolled up
Combined revenue
kr 2.39bn +
Tenders won
0
Status
all active
Reach
3 industries
BBBryn Boligselskap AS ↗Styremedlem · Other real estate activities on a fee or contract basiskr 561k
FSFredrik Selmers Vei 4 AS ↗Styremedlem · Rental and operating of own or leased real estatekr 111.1M
M1Malmskriverveien 18-20 AS ↗Styremedlem · Rental and operating of own or leased real estatekr 25.7M
Brreg roles + Regnskap · rolled up across their companies — includes historical roles
Reach by industry
Rental and operating of own or leased real estate
59
Development of building projects
2
Other real estate activities on a fee or contract basis
2
Buying and selling of own real estate
1
Business and other management consultancy activities
1
Recent role changes
2026-06-10Became Styrets leder — Hamang AS
2025-01-20Became Varamedlem — Lars Hilles Gate 30 Holding AS
2025-01-20Became Varamedlem — Allehelgens Gate 6 Holding AS
2025-01-20Became Varamedlem — Lars Hilles Gate 30 AS
2024-07-11Became Varamedlem — Oslo S Utvikling AS
Signals
Multiple boardscurrent board roles at 2+ companies
computed from Brreg roles