Private · Person · registered roles
Thomas Dessen Nielsen
Active in 5 companiesCEO · Chair · Board memberOslo & Bærum
↳ Brreg · company_people
Role timeline
Havis AS
Styrets leder
Havis AS
Daglig leder
Mainmast AS
Styrets leder
O5 Invest AS
Styremedlem
Havkonsult AS
Styrets leder
Oceans5 Group AS
Styremedlem
since 2022 · bars start at the registry's change date — full periods are not published
Across their companies5 · rolled up
Combined revenue
kr 2.85M +
Tenders won
0
Status
all active
Reach
2 industries
Brreg roles + Regnskap · rolled up across their companies — includes historical roles
Reach by industry
Other technical consultancy
3
Recent role changes
2026-07-15Became Styremedlem — Oceans5 Group AS
2025-12-29Left Styremedlem — Huma Energy AS
2025-02-21Became Styrets leder — Havkonsult AS
2025-02-13Became Styremedlem — O5 Invest AS
2024-12-03Became Styrets leder — Mainmast AS
Signals
Multiple boardscurrent board roles at 2+ companies
computed from Brreg roles