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Highest operating margin in Hjartdal

Operating profit as a percentage of revenue. Only companies with at least 5 employees and more than NOK 5m in revenue.

Top of the list is STIFTINGA TUDDAL MONTESSORISKULE with 18.8%, ahead of SLÅTTA BIL AS. The largest industry is site preparation, with 4 companies.

Largest by revenue Most profitable Highest operating margin Revenue per employee Operating profit per employee Payroll cost per employee Largest equity Largest groups Largest employers Newly registered companies Oldest companies
# Company Operating margin
1 STIFTINGA TUDDAL MONTESSORISKULE org.nr 920223451 · Hjartdal, Telemark · Active 18.8% 2 SLÅTTA BIL AS org.nr 934215001 · Hjartdal, Telemark · Active 14.4% 3 ELEKTROTECH AS org.nr 983535836 · Hjartdal, Telemark · Active 11.8% 4 TUDDAL HÅNDLAFT&HYTTEBYGG AS org.nr 920014348 · Hjartdal, Telemark · Active 11.5% 5 BØEN ELEKTRO AS org.nr 920528767 · Hjartdal, Telemark · Active 9.6% 6 KASIN MASKIN AS org.nr 911967065 · Hjartdal, Telemark · Active 9.5% 7 NORSK-BYGG AS org.nr 918753133 · Hjartdal, Telemark · Active 7.4% 8 TUDDAL BYGGEVARER AS org.nr 965734414 · Hjartdal, Telemark · Active 7.0% 9 HAGEN & SØNN AS org.nr 960672739 · Hjartdal, Telemark · Active 6.8% 10 ANTRAS NORD AS org.nr 927250896 · Hjartdal, Telemark · Active 5.6% 11 HOVDEJORD AS org.nr 920828361 · Hjartdal, Telemark · Active 5.0% 12 BØEN GRAVING OG TRANSPORT AS org.nr 992287926 · Hjartdal, Telemark · Active 4.6% 13 HJARTDAL OG GRANSHERAD REKNESKAPSKONTOR AS org.nr 971220988 · Hjartdal, Telemark · Active 3.9% 14 TELEBYGG BRATSBERG AS org.nr 999631452 · Hjartdal, Telemark · Active 3.1% 15 SAULANDTUNET MAT AS org.nr 985161593 · Hjartdal, Telemark · Active 2.5% 16 SAC DRIFT AS org.nr 919767367 · Hjartdal, Telemark · Active 2.4% 17 TUDDAL HANDELSLAG AS org.nr 933064956 · Hjartdal, Telemark · Active 1.8% 18 HJARTDAL ELEKTRO AS org.nr 995874172 · Hjartdal, Telemark · Active -1.6% 19 HJARTDAL MONTESSORISKULE STI org.nr 920187765 · Hjartdal, Telemark · Active -3.0% 20 TUDDAL HØYFJELLSHOTEL AS org.nr 970951113 · Hjartdal, Telemark · Active -3.2% 21 CARBON CRUSHER NORGE AS org.nr 924601132 · Hjartdal, Telemark · Active -416.6%
Showing 21 companies

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Source

Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.

The list is ranked on the most recently reported financial figures. See method and caveats below.

These lists show actual registered figures from public sources (the Brønnøysund registers). They are not an assessment of creditworthiness, solidity or suitability as a customer, supplier or investment. Figures are for the most recently reported financial year.

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