Skip to content
Riskpilot
← Back to search
Sign in
Sign in
Get full access
Businessmastering AS
AS
Active
Org 988891045
Herman Foss' Gate 4C, 0171
Oslo
Business and other management consultancy activities
·
NACE 7020
Est. 2005 · 20 years old
2 employees
www.lifemastering.com
Monitor
Share
Norway
/
Companies
/
Business and other management consultancy activities
/
Businessmastering AS
Overview
Financials
People & ownership
Related companies
Loading company…
People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
JN
Jørn-Terje Nøding Gabrielsen
Deputy Member
Deputy Member
2020
RS
Rune Semundseth
Chief Executive Officer
Chief Executive Officer
2015
Board of directors
Non-executive oversight
Name
Role
Member since
Current (4)
SR
Steffen Reginald Norby
Board of Directors
Board of Directors
2020
JO
John Olav Teige
Board of Directors
Board of Directors
2020
RS
Rune Semundseth
Board of Directors
Board of Directors
2020
HR
Hallvard Romstad
Chairman
Chairman
2024
Former (1)
CL
Cato Lian
Chairman
Chairman
2020 – 2024
Shareholders
As of last annual report
Avella As — 20.51%
Jørn-Terje Nøding Gabrielsen — 17.95%
Steffen Reginald Norby — 8.08%
Green Advice As — 4.03%
John Olav Teige — 3.85%
Trond Oscar Rønbeck — 1.92%
Semundseth Holding As — 1.37%
58%
Shareholder
Type
Ownership
Votes
Since
Avella As
Company
20.51%
20.51%
2025
Jørn-Terje Nøding Gabrielsen
Individual
17.95%
17.95%
2025
Steffen Reginald Norby
Individual
8.08%
8.08%
2025
Green Advice As
Company
4.03%
4.03%
2025
John Olav Teige
Individual
3.85%
3.85%
2025
Trond Oscar Rønbeck
Individual
1.92%
1.92%
2025
Semundseth Holding As
Company
1.37%
1.37%
2025
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
Learn more
.
More on Businessmastering AS
Overview →
Headline figures, risk assessment and company summary
Financials & key figures →
Revenue, EBITDA, balance sheet and 5-year trend
Related companies →
Corporate hierarchy, parent and subsidiary network