biztrac. BETA

Largest corporate groups by combined revenue in Faglig, vitenskapelig og teknisk tjenesteyting

Groups ranked by the sum of their companies' most recently reported operating revenue. Companies are grouped by ultimate owner via majority ownership (over 50%%) in the ownership graph. Only groups with at least two companies.

Together the 100 companies on this list account for NOK 183.0bn. Top of the list is STIFTELSEN DET NORSKE VERITAS with NOK 15.5bn, ahead of NORCONSULT ASA. Oslo has the most companies on the list (63).

# Company Combined revenue
1 STIFTELSEN DET NORSKE VERITAS org.nr 911177781 · Bærum, Akershus · 18 companies NOK 15.5bn 2 NORCONSULT ASA org.nr 963865724 · Bærum, Akershus · 19 companies NOK 8.6bn 3 TGS ASA org.nr 976695372 · Oslo, Oslo · 11 companies NOK 7.8bn 4 SIEMENS ENERGY AS org.nr 915826946 · Oslo, Oslo · 2 companies NOK 6.4bn 5 MULTICONSULT ASA org.nr 910253158 · Oslo, Oslo · 11 companies NOK 6.2bn 6 AUTOSTORE HOLDING NUF org.nr 927940051 · Vindafjord, Rogaland · 5 companies NOK 5.6bn 7 STIFTELSEN SINTEF org.nr 948007029 · Trondheim, Trøndelag · 16 companies NOK 5.2bn 8 BDO AS org.nr 993606650 · Oslo, Oslo · 4 companies NOK 5.2bn 9 ERNST & YOUNG AS org.nr 976389387 · Oslo, Oslo · 7 companies NOK 4.5bn 10 PRICEWATERHOUSECOOPERS AS org.nr 987009713 · Oslo, Oslo · 2 companies NOK 4.2bn 11 SWECO NORGE AS org.nr 967032271 · Oslo, Oslo · 2 companies NOK 3.9bn 12 REACH SUBSEA ASA org.nr 922493626 · Haugesund, Rogaland · 7 companies NOK 3.5bn 13 DELOITTE AS org.nr 980211282 · Oslo, Oslo · 2 companies NOK 3.4bn 14 JOTUNFJELL PARTNERS AS org.nr 914723485 · Oslo, Oslo · 29 companies NOK 3.4bn 15 KPMG HOLDING AS org.nr 956878020 · Oslo, Oslo · 3 companies NOK 3.3bn 16 VEDAL GRUPPEN AS org.nr 927451719 · Oslo, Oslo · 12 companies NOK 3.0bn 17 ECIT TOPCO AS org.nr 932969750 · Bærum, Akershus · 73 companies NOK 3.0bn 18 DENTSU NORGE AS org.nr 927445875 · Oslo, Oslo · 2 companies NOK 3.0bn 19 RAMBØLL NORGE AS org.nr 915251293 · Oslo, Oslo · 3 companies NOK 2.6bn 20 AFRY GROUP NORWAY AS org.nr 911567989 · Oslo, Oslo · 4 companies NOK 2.5bn 21 COWI AS org.nr 979364857 · Oslo, Oslo · 2 companies NOK 2.4bn 22 ODFJELL PLATFORM DRILLING AS org.nr 918646175 · Bergen, Vestland · 4 companies NOK 2.3bn 23 NOR-LOG GRUPPEN AS org.nr 922694362 · Vindafjord, Rogaland · 5 companies NOK 2.2bn 24 WPP NORWAY AS org.nr 918398945 · Oslo, Oslo · 3 companies NOK 2.2bn 25 OMNICOM MEDIA GROUP AS org.nr 990023557 · Oslo, Oslo · 4 companies NOK 2.1bn 26 AXIS-SHIELD AS org.nr 937237502 · Oslo, Oslo · 3 companies NOK 2.0bn 27 AIDER HOLDING AS org.nr 934156145 · Oslo, Oslo · 35 companies NOK 2.0bn 28 ADVOKATFIRMAET THOMMESSEN AS org.nr 957423248 · Oslo, Oslo · 22 companies NOK 1.9bn 29 KAR NORWAY HOLDCO AS org.nr 917774374 · Oslo, Oslo · 8 companies NOK 1.9bn 30 HEAD ENERGY AS org.nr 995146126 · Bergen, Vestland · 13 companies NOK 1.8bn 31 WIKBORG REIN ADVOKATFIRMA AS org.nr 916782195 · Oslo, Oslo · 7 companies NOK 1.7bn 32 IMMUNOPHARMA AS org.nr 994924273 · Oslo, Oslo · 8 companies NOK 1.7bn 33 STAR SEAFOOD HOLDING AS org.nr 920320244 · Kinn, Vestland · 2 companies NOK 1.7bn 34 GL INTERESTS NORWAY AS org.nr 925854328 · Drammen, Buskerud · 10 companies NOK 1.7bn 35 TANGO HOLDCO AS org.nr 931002953 · Sandnes, Rogaland · 9 companies NOK 1.7bn 36 LIVE NATION NORWAY AS org.nr 982031834 · Oslo, Oslo · 8 companies NOK 1.6bn 37 ADVOKATFIRMAET BAHR AS org.nr 919513063 · Oslo, Oslo · 4 companies NOK 1.6bn 38 EIKELAND CONSULT AS org.nr 926156055 · Oslo, Oslo · 2 companies NOK 1.5bn 39 AQUALIS ASA org.nr 913757424 · Oslo, Oslo · 7 companies NOK 1.4bn 40 LION/GEM NORWAY 1 AS org.nr 893047042 · Oslo, Oslo · 2 companies NOK 1.4bn 41 ADVOKATFIRMAET WIERSHOLM AS org.nr 981371593 · Oslo, Oslo · 2 companies NOK 1.4bn 42 AXIO AS org.nr 888695532 · Molde, Møre og Romsdal · 20 companies NOK 1.4bn 43 VENI ENERGY GROUP AS org.nr 916321058 · Drammen, Buskerud · 6 companies NOK 1.1bn 44 INSTITUTT FOR ENERGITEKNIKK STI org.nr 959432538 · Lillestrøm, Akershus · 4 companies NOK 1.1bn 45 POLYGON NORWAY HOLDING AS org.nr 996019381 · Oslo, Oslo · 3 companies NOK 1.1bn 46 ELEMENT LOGIC HOLDING AS org.nr 927163144 · Ullensaker, Akershus · 4 companies NOK 1.1bn 47 OP INVEST AS org.nr 891753632 · Oslo, Oslo · 5 companies NOK 1.1bn 48 TONO SA org.nr 971435038 · Oslo, Oslo · 2 companies NOK 1.1bn 49 POB GRUPPEN AS org.nr 994110160 · Lier, Buskerud · 12 companies NOK 1.1bn 50 FARADAY TOPCO AS org.nr 833589792 · Oslo, Oslo · 8 companies NOK 1.0bn 51 CHARO AS org.nr 912415864 · Sande, Møre og Romsdal · 5 companies NOK 996.3m 52 VOW ASA org.nr 996819000 · Oslo, Oslo · 5 companies NOK 995.3m 53 RAUFOSS DEVELOPMENT AS org.nr 927344114 · Vestre Toten, Innlandet · 2 companies NOK 986.4m 54 TB INVESTMENT AS org.nr 914229146 · Ålesund, Møre og Romsdal · 7 companies NOK 954.3m 55 ALL THINGS LIVE NORWAY HOLDING AS org.nr 924488948 · Oslo, Oslo · 7 companies NOK 940.8m 56 VIEW GROUP HOLDING AS org.nr 991950710 · Oslo, Oslo · 17 companies NOK 897.8m 57 INFRASTRUCTURE NORDICS 3 AGGREGATOR AS org.nr 927415224 · Oslo, Oslo · 10 companies NOK 867.0m 58 EMPET HOLDING AS org.nr 927234564 · Lillestrøm, Akershus · 38 companies NOK 861.1m 59 BAKKEGRUPPEN AS org.nr 998817862 · Aurskog-høland, Akershus · 25 companies NOK 838.8m 60 STORSKOGEN NORGE AS org.nr 927075113 · Oslo, Oslo · 7 companies NOK 824.1m 61 STIFTELSEN NORGES GEOTEKNISKE INSTITUTT org.nr 958254318 · Oslo, Oslo · 2 companies NOK 822.0m 62 NORSK INSTITUTT FOR VANNFORSKNING STI org.nr 855869942 · Oslo, Oslo · 5 companies NOK 810.3m 63 ERNST & YOUNG ADVOKATFIRMA AS org.nr 984328796 · Oslo, Oslo · 3 companies NOK 801.2m 64 ADVOKATFIRMAET HAAVIND AS org.nr 986420177 · Oslo, Oslo · 6 companies NOK 787.0m 65 SANDS ADVOKATFIRMA AS org.nr 935597404 · Oslo, Oslo · 2 companies NOK 749.2m 66 HRP PARTNERS AS org.nr 926018019 · Oslo, Oslo · 2 companies NOK 745.1m 67 DELOITTE ADVOKATFIRMA AS org.nr 994116177 · Oslo, Oslo · 2 companies NOK 742.5m 68 ANICURA AS org.nr 911627604 · Oslo, Oslo · 2 companies NOK 742.1m 69 FACTIBILIS AS org.nr 915270883 · Skien, Telemark · 5 companies NOK 733.7m 70 GOODTECH ASA org.nr 914769922 · Oslo, Oslo · 2 companies NOK 726.5m 71 SIREAN AS org.nr 988796905 · Kinn, Vestland · 14 companies NOK 709.2m 72 CMS KLUGE ADVOKATFIRMA AS org.nr 913296117 · Stavanger, Rogaland · 4 companies NOK 699.6m 73 DOWN UNDER AS org.nr 924681225 · Nome, Telemark · 9 companies NOK 682.1m 74 STIFTELSEN NORGES ELEKTRISKE MATERIELLKONTROLL NEMKO org.nr 944352430 · Bærum, Akershus · 5 companies NOK 667.2m 75 SEMCO MARITIME org.nr 983493173 · · 3 companies NOK 659.9m 76 R-NR AS org.nr 982316588 · Nes, Akershus · 5 companies NOK 646.7m 77 ACCRU PARTNERS NORGE AS org.nr 933727424 · Oslo, Oslo · 40 companies NOK 639.3m 78 MODULVEGGER AS org.nr 929312244 · Oslo, Oslo · 8 companies NOK 636.5m 79 MOOD HOLDING AS org.nr 818546572 · Oslo, Oslo · 4 companies NOK 634.7m 80 ADVOKATFIRMAET SCHJØDT AS org.nr 996918122 · Oslo, Oslo · 3 companies NOK 605.2m 81 INTERPUBLIC NORWAY AS org.nr 995685019 · Oslo, Oslo · 4 companies NOK 599.9m 82 NEKKAR ASA org.nr 932142104 · Kristiansand, Agder · 8 companies NOK 597.6m 83 KEBONY AS org.nr 997870719 · Skien, Telemark · 2 companies NOK 583.0m 84 ARGEO ASA org.nr 913743075 · Asker, Akershus · 4 companies NOK 581.2m 85 BAUER MEDIA OUTDOOR NORGE AS org.nr 976227891 · Oslo, Oslo · 2 companies NOK 559.2m 86 XPARTNERS NORWAY HOLDING AS org.nr 934045181 · Oslo, Oslo · 17 companies NOK 551.7m 87 SCHJÆRVEN AS org.nr 937452071 · Oslo, Oslo · 6 companies NOK 545.5m 88 RAN GROUP HOLDING AS org.nr 931751204 · Oslo, Oslo · 15 companies NOK 535.7m 89 PURE SALMON TECHNOLOGY HOLDING AS org.nr 927129035 · Sandefjord, Vestfold · 2 companies NOK 519.6m 90 KPMG LAW ADVOKATFIRMA AS org.nr 912056880 · Oslo, Oslo · 3 companies NOK 515.8m 91 EVIDENSIA DYREHELSE AS org.nr 997456602 · Oslo, Oslo · 7 companies NOK 515.7m 92 ADVOKATFIRMAET PRICEWATERHOUSECOOPERS AS org.nr 988371084 · Oslo, Oslo · 2 companies NOK 508.0m 93 EIDRA CONSULTING AS org.nr 831817682 · Oslo, Oslo · 9 companies NOK 506.5m 94 OLIMB RØRFORNYING HOLDING AS org.nr 919508035 · Råde, Østfold · 5 companies NOK 504.9m 95 4SUBSEA AS org.nr 991711392 · Asker, Akershus · 2 companies NOK 501.6m 96 SNØHETTA AS org.nr 998597013 · Oslo, Oslo · 4 companies NOK 497.7m 97 KIWA HOLDING AS org.nr 942340680 · Oslo, Oslo · 4 companies NOK 491.4m 98 IP HOLDCO AS org.nr 932918617 · Oslo, Oslo · 4 companies NOK 471.5m 99 SIVA - SELSKAPET FOR INDUSTRIVEKST SF org.nr 966703032 · Trondheim, Trøndelag · 38 companies NOK 467.1m 100 GSE SANDVIK AS org.nr 927650657 · Fitjar, Vestland · 10 companies NOK 463.6m
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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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