Private · Person · registered roles
William Willumsen
Active in 15 companiesCEO · Chair · Board memberKvinesdal & Flekkefjord
↳ Brreg · company_people
Role timeline
William Willumsen
Innehaver
Store Hepte AS
Daglig leder
Store Hepte AS
Styrets leder
Halvorsen Technology AS
Daglig leder
Tratec Airport Solutions AS
Styrets leder
AS Elektrisk Kristiansand
Styrets leder
Tratec Teknikken AS
Styremedlem
983993222
Styremedlem
since 2017 · bars start at the registry's change date — full periods are not published
Across their companies15 · rolled up
Combined revenue
kr 1.1bn +
Tenders won
7
Status
not all active
Reach
7 industries
Brreg roles + Regnskap · rolled up across their companies — includes historical roles
Reach by industry
Rental and operating of own or leased real estate
3
Electrical installation
2
Buying and selling of own real estate
2
Manufacture of instruments and appliances for measuring, testing and navigation
2
Manufacture of other general-purpose machinery n.e.c.
1
Manufacture of lifting and handling equipment
1
Recent role changes
2026-04-22Became Styrets leder — Tratec Halvorsen AS
2025-12-22Became Styrets leder — Vardhei 1 AS
2025-06-28Became Styrets leder — Halvorsen Technology AS
2025-06-06Became Styrets leder — Tratec AS
2025-04-10Became Styrets leder — Teknikken Eiendom Flekkefjord AS
Signals
Multiple boardscurrent board roles at 2+ companies
computed from Brreg roles