BIZTRAC BETA

Most profitable companies in Faglig, vitenskapelig og teknisk tjenesteyting

Ranked by the most recently reported operating profit (EBIT).

Together the 100 companies on this list account for NOK 25.6bn. Top of the list is BDO AS with NOK 2.2bn, ahead of AUTOSTORE AS. Oslo has the most companies on the list (56).

# Company Amount
1 BDO AS org.nr 993606650 · Oslo, Oslo · Active NOK 2.2bn 2 AUTOSTORE AS org.nr 974533014 · Vindafjord, Rogaland · Active NOK 1.8bn 3 PRICEWATERHOUSECOOPERS AS org.nr 987009713 · Oslo, Oslo · Active NOK 1.0bn 4 ADVOKATFIRMAET THOMMESSEN AS org.nr 957423248 · Oslo, Oslo · Active NOK 974.1m 5 WIKBORG REIN ADVOKATFIRMA AS org.nr 916782195 · Oslo, Oslo · Active NOK 900.6m 6 TONO SA org.nr 971435038 · Oslo, Oslo · Active NOK 895.3m 7 SIEMENS ENERGY AS org.nr 915826946 · Oslo, Oslo · Active NOK 778.3m 8 ADVOKATFIRMAET BAHR AS org.nr 919513063 · Oslo, Oslo · Active NOK 671.4m 9 MULTIKLIENT INVEST AS org.nr 971171537 · Oslo, Oslo · Active NOK 604.0m 10 ADVOKATFIRMAET WIERSHOLM AS org.nr 981371593 · Oslo, Oslo · Active NOK 599.3m 11 NORCONSULT ASA org.nr 963865724 · Bærum, Akershus · Active NOK 568.0m 12 NORCONSULT NORGE AS org.nr 962392687 · Bærum, Akershus · Active NOK 559.1m 13 TGS TITANS AS org.nr 998167000 · Oslo, Oslo · Active NOK 555.0m 14 DNV AS org.nr 945748931 · Bærum, Akershus · Active NOK 520.2m 15 KPMG AS org.nr 935174627 · Oslo, Oslo · Active NOK 445.0m 16 WELLTEC TECHNOLOGY CENTER STAVANGER AS org.nr 916959109 · Sola, Rogaland · Active NOK 412.6m 17 MULTICONSULT NORGE AS org.nr 918836519 · Oslo, Oslo · Active NOK 389.9m 18 ELEMENT LOGIC AS org.nr 982519292 · Ullensaker, Akershus · Active NOK 356.5m 19 SWECO NORGE AS org.nr 967032271 · Oslo, Oslo · Active NOK 356.0m 20 ADVOKATFIRMAET HAAVIND AS org.nr 986420177 · Oslo, Oslo · Active NOK 327.5m 21 TOMRA SORTING AS org.nr 982722039 · Asker, Akershus · Active NOK 323.0m 22 VML MAP NORWAY NUF org.nr 812903322 · Sarpsborg, Østfold · Active NOK 318.8m 23 ADVOKATFIRMAET SCHJØDT AS org.nr 996918122 · Oslo, Oslo · Active NOK 315.3m 24 ADVOKATFIRMAET SELMER AS org.nr 920969798 · Oslo, Oslo · Active NOK 314.7m 25 ADVOKATFIRMAET ARNTZEN AS org.nr 982409705 · Oslo, Oslo · Active NOK 309.2m 26 SANCO HOLDING AS org.nr 979126387 · Sande, Møre og Romsdal · Active NOK 307.7m 27 SANDS ADVOKATFIRMA AS org.nr 935597404 · Oslo, Oslo · Active NOK 296.8m 28 CMS KLUGE ADVOKATFIRMA AS org.nr 913296117 · Stavanger, Rogaland · Active NOK 272.5m 29 GE POWER NORWAY AS org.nr 980402274 · Oslo, Oslo · Active NOK 264.9m 30 FUGRO NORWAY AS org.nr 969059789 · Oslo, Oslo · Active NOK 259.9m 31 DREW MARINE INTERMEDIATE II B.V. NUF org.nr 994329448 · Bergen, Vestland · Active NOK 243.6m 32 INFLOWCONTROL AS org.nr 996957691 · Porsgrunn, Telemark · Active NOK 234.7m 33 SIEMENS AS org.nr 923009108 · Oslo, Oslo · Active NOK 219.9m 34 DELOITTE AS org.nr 980211282 · Oslo, Oslo · Active NOK 215.7m 35 H. ØGREID & SØNNER AS org.nr 914581079 · Stavanger, Rogaland · Active NOK 206.3m 36 SALT SHIP DESIGN AS org.nr 897523752 · Stord, Vestland · Active NOK 202.4m 37 TGS ASA org.nr 976695372 · Oslo, Oslo · Active NOK 192.3m 38 ECONNECT ENERGY AS org.nr 999017762 · Oslo, Oslo · Active NOK 189.8m 39 ENEAS SERVICES AS org.nr 898652602 · Drammen, Buskerud · Active NOK 189.2m 40 ROVOP LIMITED org.nr 916876785 · · Active NOK 188.0m 41 SCANMUDRING AS org.nr 915027334 · Lindesnes, Agder · Active NOK 172.1m 42 AZETS INSIGHT AS org.nr 983338917 · Oslo, Oslo · Active NOK 167.8m 43 NORDA ASA org.nr 984648820 · Oslo, Oslo · Active NOK 167.7m 44 KVALE ADVOKATFIRMA DA org.nr 947996053 · Oslo, Oslo · Active NOK 166.7m 45 ADVOKATFIRMAET SIMONSEN VOGT WIIG AS org.nr 898783812 · Oslo, Oslo · Active NOK 163.3m 46 INRIGO AS org.nr 921474431 · Trondheim, Trøndelag · Active NOK 158.9m 47 DEVICO AS org.nr 947402633 · Trondheim, Trøndelag · Active NOK 147.1m 48 LT INVEST AS org.nr 987578785 · Oslo, Oslo · Active NOK 137.8m 49 BARRUS CAPITAL AS org.nr 979278608 · Kristiansand, Agder · Active NOK 135.9m 50 ADVOKATFIRMAET DLA PIPER NORWAY AS org.nr 934609255 · Oslo, Oslo · Active NOK 127.9m 51 CYIENT NORWAY AS org.nr 990019851 · Bærum, Akershus · Active NOK 123.0m 52 MARITIME DEVELOPMENTS LIMITED org.nr 919910062 · · Active NOK 122.1m 53 TGS AP INVESTMENTS AS org.nr 996317099 · Oslo, Oslo · Active NOK 119.6m 54 TAM INTERNATIONAL NORWAY AS org.nr 912498964 · Stavanger, Rogaland · Active NOK 108.4m 55 AFRY NORWAY ADVISORY AS org.nr 883889762 · Oslo, Oslo · Active NOK 108.4m 56 SAFEDRIVE AS org.nr 917086885 · Namsos, Trøndelag · Active NOK 108.0m 57 ADVOKATFIRMAET HJORT AS org.nr 929191811 · Oslo, Oslo · Active NOK 107.5m 58 SPAREBANK 1 REGNSKAPSHUSET SMN AS org.nr 936285066 · Trondheim, Trøndelag · Active NOK 106.4m 59 AQUA PHARMA GROUP AS org.nr 922654026 · Lillehammer, Innlandet · Active NOK 104.4m 60 OPTIME SUBSEA SERVICES AS org.nr 914083060 · Notodden, Telemark · Active NOK 98.5m 61 FLOATEL OPERATIONS AS org.nr 927672863 · Oslo, Oslo · Active NOK 97.0m 62 CGG SERVICES (NORWAY) AS org.nr 979905483 · Oslo, Oslo · Active NOK 96.2m 63 ERNST & YOUNG AS org.nr 976389387 · Oslo, Oslo · Active NOK 94.5m 64 ABRAFAM HOLDING AS org.nr 986982205 · Sandefjord, Vestfold · Active NOK 93.3m 65 RAMBØLL NORGE AS org.nr 915251293 · Oslo, Oslo · Active NOK 92.5m 66 AREPO AS org.nr 988387460 · Oslo, Oslo · Active NOK 91.6m 67 MAGNORA ASA org.nr 983218180 · Oslo, Oslo · Active NOK 89.0m 68 COWI AS org.nr 979364857 · Oslo, Oslo · Active NOK 87.7m 69 UNICONSULT AS org.nr 980302997 · Oslo, Oslo · Active NOK 86.7m 70 DELOITTE ADVOKATFIRMA AS org.nr 994116177 · Oslo, Oslo · Active NOK 84.4m 71 ADVOKATFIRMAET PRICEWATERHOUSECOOPERS AS org.nr 988371084 · Oslo, Oslo · Active NOK 81.1m 72 REM ANDES AS org.nr 922740755 · Herøy, Møre og Romsdal · Active NOK 80.5m 73 NORSTAT NORGE AS org.nr 982836018 · Oslo, Oslo · Active NOK 80.0m 74 CAMBI GROUP AS org.nr 989371479 · Asker, Akershus · Active NOK 76.9m 75 PORTIA AS org.nr 980301036 · Kristiansand, Agder · Active NOK 76.7m 76 LEIDANG INDUSTRIPARTNER AS org.nr 924598190 · Sola, Rogaland · Active NOK 76.4m 77 4SUBSEA AS org.nr 991711392 · Asker, Akershus · Active NOK 76.2m 78 VOITH HYDRO AS org.nr 980982637 · Oslo, Oslo · Active NOK 74.5m 79 GLOBAL SEISMIC SHIPPING AS org.nr 918591664 · Bergen, Vestland · Active NOK 72.6m 80 KYRVATN AS org.nr 981407717 · Åmli, Agder · Active NOK 71.8m 81 HYDRO REIN INVEST AS org.nr 926419986 · Oslo, Oslo · Active NOK 70.4m 82 BRÆKHUS ADVOKATFIRMA AS org.nr 933326071 · Oslo, Oslo · Active NOK 69.2m 83 AIDER AS org.nr 922633452 · Oslo, Oslo · Active NOK 68.2m 84 ADVOKATFIRMAET BULL AS org.nr 981459326 · Oslo, Oslo · Active NOK 67.7m 85 NORSK ANALYSE AS org.nr 948501430 · Tønsberg, Vestfold · Active NOK 66.7m 86 ADVOKATFIRMAET GLITTERTIND AS org.nr 916284055 · Oslo, Oslo · Active NOK 65.8m 87 KPMG LAW ADVOKATFIRMA AS org.nr 912056880 · Oslo, Oslo · Active NOK 65.3m 88 AMUNDSEN SPORTS AS org.nr 995318784 · Oslo, Oslo · Active NOK 65.2m 89 SKRETTING AQUACULTURE INNOVATION AS org.nr 929729161 · Stavanger, Rogaland · Active NOK 64.8m 90 STRATUM RESERVOIR (NORWAY) AS org.nr 938130027 · Stavanger, Rogaland · Active NOK 64.7m 91 JCDECAUX NORGE AS org.nr 976555988 · Oslo, Oslo · Active NOK 63.9m 92 RO SOMMERNES ADVOKATFIRMA DA org.nr 965870016 · Oslo, Oslo · In liquidation NOK 63.6m 93 OCEAN PEARL AS org.nr 923110127 · Austevoll, Vestland · Active NOK 63.2m 94 ENERSENSE WORKS NORWAY NUF org.nr 830561692 · · Active NOK 63.1m 95 BERGENSBANEN JV ANS org.nr 833133802 · Bærum, Akershus · Active NOK 63.0m 96 TICA AS org.nr 945911573 · Oslo, Oslo · In liquidation NOK 62.2m 97 VOLUE INSIGHT AS org.nr 920151965 · Arendal, Agder · Active NOK 61.3m 98 ODFJELL ENGINEERING AS org.nr 991491252 · Bergen, Vestland · Active NOK 61.0m 99 ENBW NORWAY AS org.nr 926576569 · Oslo, Oslo · Active NOK 60.7m 100 NORDPOLEN INVEST AS org.nr 982325862 · Lillestrøm, Akershus · Active NOK 60.5m
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Source

Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.

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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