Private · Person · registered roles
Håkon Nikolai Stange Sørum
Active in 3 companiesCEO · Chair · Board memberOslo
↳ Brreg · company_people
Role timeline
HNSS Holdco AS
Daglig leder
O3 Cyber AS
Styremedlem
HNSS Holdco AS
Styrets leder
O3c Topco AS
Styremedlem
since 2024 · bars start at the registry's change date — full periods are not published
Across their companies3 · rolled up
Combined revenue
kr 36.2M +
Tenders won
0
Status
all active
Reach
2 industries
Brreg roles + Regnskap · rolled up across their companies — includes historical roles
Reach by industry
Computer consultancy and computer facilities management activities
1
Recent role changes
2026-07-28Became Styremedlem — O3c Topco AS
2026-07-15Became Styrets leder — HNSS Holdco AS
2025-04-30Became Styremedlem — O3 Cyber AS
2024-04-06Became Daglig leder — HNSS Holdco AS
Signals
Multiple boardscurrent board roles at 2+ companies
computed from Brreg roles