biztrac. BETA

Largest corporate groups by combined revenue in Oslo municipality

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 1841.6bn. Top of the list is NÆRINGS- OG FISKERIDEPARTEMENTET with NOK 261.7bn, ahead of JOH JOHANNSON HANDEL AS. The largest industry is construction of residential and non-residential buildings, with 5 companies.

# Company Combined revenue
1 NÆRINGS- OG FISKERIDEPARTEMENTET org.nr 912660680 · Oslo, Oslo · 311 companies NOK 261.7bn 2 JOH JOHANNSON HANDEL AS org.nr 921979819 · Oslo, Oslo · 332 companies NOK 252.4bn 3 Norsk Hydro ASA org.nr 914778271 · Oslo, Oslo · 19 companies NOK 89.3bn 4 COOP NORGE SA org.nr 936560288 · Oslo, Oslo · 82 companies NOK 80.8bn 5 AARS AS org.nr 993853712 · Oslo, Oslo · 117 companies NOK 59.7bn 6 DIXONS STORES GROUP RETAIL NORWAY AS org.nr 981305140 · Oslo, Oslo · 5 companies NOK 54.0bn 7 OSLO KOMMUNE org.nr 958935420 · Oslo, Oslo · 75 companies NOK 45.5bn 8 BAMA GRUPPEN AS org.nr 914224314 · Oslo, Oslo · 34 companies NOK 38.1bn 9 SAMFERDSELSDEPARTEMENTET org.nr 972417904 · Oslo, Oslo · 35 companies NOK 36.9bn 10 STATKRAFT SF org.nr 962986277 · Oslo, Oslo · 29 companies NOK 36.5bn 11 OSLO UNIVERSITETSSYKEHUS HF org.nr 993467049 · Oslo, Oslo · 8 companies NOK 36.0bn 12 FERD HOLDING AS org.nr 818035462 · Oslo, Oslo · 162 companies NOK 35.0bn 13 NORTURA SA org.nr 938752648 · Oslo, Oslo · 19 companies NOK 31.5bn 14 TINE SA org.nr 947942638 · Oslo, Oslo · 16 companies NOK 28.3bn 15 AF GRUPPEN ASA org.nr 938702675 · Oslo, Oslo · 96 companies NOK 28.0bn 16 Veidekke ASA org.nr 917103801 · Oslo, Oslo · 28 companies NOK 26.7bn 17 YARA INTERNATIONAL ASA org.nr 986228608 · Oslo, Oslo · 13 companies NOK 25.2bn 18 SKANSKA NORGE AS org.nr 943049467 · Oslo, Oslo · 29 companies NOK 24.1bn 19 SAINT-GOBAIN DISTRIBUTION NORWAY AS org.nr 991212531 · Oslo, Oslo · 18 companies NOK 22.1bn 20 BANE NOR SF org.nr 917082308 · Oslo, Oslo · 144 companies NOK 21.3bn 21 NEXANS NORWAY AS org.nr 981122607 · Oslo, Oslo · 5 companies NOK 20.7bn 22 STATNETT SF org.nr 962986633 · Oslo, Oslo · 5 companies NOK 20.3bn 23 OLAV THON STIFTELSEN org.nr 912868761 · Oslo, Oslo · 120 companies NOK 19.0bn 24 Aktieselskapet Vinmonopolet org.nr 817209882 · Oslo, Oslo · 2 companies NOK 18.7bn 25 ORKLA ASA org.nr 910747711 · Oslo, Oslo · 41 companies NOK 18.0bn 26 CIRCLE K AS org.nr 995532921 · Oslo, Oslo · 6 companies NOK 17.7bn 27 GE HEALTHCARE HOLDING AS org.nr 987015225 · Oslo, Oslo · 7 companies NOK 17.3bn 28 ST1 NORGE GROUP AS org.nr 919666544 · Oslo, Oslo · 6 companies NOK 16.3bn 29 CERMAQ GROUP AS org.nr 971647949 · Oslo, Oslo · 10 companies NOK 15.1bn 30 RUTER AS org.nr 991609407 · Oslo, Oslo · 7 companies NOK 14.7bn 31 DEN NORSKE REVISORFORENING org.nr 980374068 · Oslo, Oslo · 2 companies NOK 14.4bn 32 TELIA NORGE AS org.nr 981929055 · Oslo, Oslo · 2 companies NOK 14.2bn 33 NORGESGRUPPEN HELSE AS org.nr 916602162 · Oslo, Oslo · 2 companies NOK 12.8bn 34 O.N. SUNDE HOLDING AS org.nr 920170838 · Oslo, Oslo · 29 companies NOK 11.7bn 35 SYNAFERD AS org.nr 932441845 · Oslo, Oslo · 36 companies NOK 11.1bn 36 OBOS BBL org.nr 937052766 · Oslo, Oslo · 247 companies NOK 10.6bn 37 PAS KAPITAL AS org.nr 985430764 · Oslo, Oslo · 112 companies NOK 9.8bn 38 BILIA NORGE AS org.nr 976023188 · Oslo, Oslo · 13 companies NOK 9.7bn 39 AHLSELL NORGE AS org.nr 910478656 · Oslo, Oslo · 19 companies NOK 9.7bn 40 ATEA ASA org.nr 920237126 · Oslo, Oslo · 3 companies NOK 9.6bn 41 SENTIA ASA org.nr 999256864 · Oslo, Oslo · 4 companies NOK 9.4bn 42 DNB BANK ASA org.nr 984851006 · Oslo, Oslo · 81 companies NOK 9.4bn 43 RINGNES NORGE AS org.nr 989668137 · Oslo, Oslo · 10 companies NOK 9.3bn 44 FORTUM CONSUMER SOLUTIONS AS org.nr 914551757 · Oslo, Oslo · 4 companies NOK 9.1bn 45 SUMMA CIRCULAR HOLDCO AS org.nr 831385022 · Oslo, Oslo · 31 companies NOK 8.6bn 46 VEND MARKETPLACES ASA org.nr 933739384 · Oslo, Oslo · 28 companies NOK 8.4bn 47 TGS ASA org.nr 976695372 · Oslo, Oslo · 11 companies NOK 7.8bn 48 STIFTELSEN TINIUS org.nr 976472667 · Oslo, Oslo · 25 companies NOK 7.8bn 49 DEEPOCEAN GROUP HOLDING AS org.nr 896696262 · Oslo, Oslo · 11 companies NOK 7.6bn 50 KULTUR- OG LIKESTILLINGSDEPARTEMENTET org.nr 972417866 · Oslo, Oslo · 9 companies NOK 7.5bn 51 CTS NORDICS HOLDING AS org.nr 929284631 · Oslo, Oslo · 8 companies NOK 7.4bn 52 ISS HOLDING AS org.nr 992086068 · Oslo, Oslo · 5 companies NOK 6.5bn 53 SIEMENS ENERGY AS org.nr 915826946 · Oslo, Oslo · 2 companies NOK 6.4bn 54 MULTICONSULT ASA org.nr 910253158 · Oslo, Oslo · 11 companies NOK 6.2bn 55 BAUDA AS org.nr 910431714 · Oslo, Oslo · 17 companies NOK 6.0bn 56 SOPRA STERIA AS org.nr 910909088 · Oslo, Oslo · 2 companies NOK 6.0bn 57 ASSEMBLIN CAVERION NORGE AS org.nr 943623341 · Oslo, Oslo · 9 companies NOK 5.9bn 58 HOSPITALITY INVEST AS org.nr 985096546 · Oslo, Oslo · 266 companies NOK 5.9bn 59 AMEDIASTIFTELSEN org.nr 817112242 · Oslo, Oslo · 139 companies NOK 5.8bn 60 AYVENS NORGE AS org.nr 945098775 · Oslo, Oslo · 3 companies NOK 5.8bn 61 BRAVIDA NORGE HOLDING AS org.nr 998121221 · Oslo, Oslo · 3 companies NOK 5.7bn 62 COMPASS HOLDING NORGE AS org.nr 979369506 · Oslo, Oslo · 16 companies NOK 5.7bn 63 GJELSTEN HOLDING AS org.nr 979580193 · Oslo, Oslo · 119 companies NOK 5.6bn 64 NCC NORGE AS org.nr 911274426 · Oslo, Oslo · 7 companies NOK 5.6bn 65 NORSKE SKOG ASA org.nr 914483549 · Oslo, Oslo · 8 companies NOK 5.3bn 66 JORDANES INVEST AS org.nr 920596533 · Oslo, Oslo · 26 companies NOK 5.2bn 67 BDO AS org.nr 993606650 · Oslo, Oslo · 4 companies NOK 5.2bn 68 LØVENSKIOLD-VÆKERØ AS org.nr 910947052 · Oslo, Oslo · 25 companies NOK 5.0bn 69 POSTNORD AS org.nr 984054564 · Oslo, Oslo · 3 companies NOK 4.9bn 70 BERGMETALL AS org.nr 910528610 · Oslo, Oslo · 36 companies NOK 4.9bn 71 HEIDELBERG MATERIALS NORWAY AS org.nr 980910369 · Oslo, Oslo · 7 companies NOK 4.6bn 72 AVARN SECURITY GROUP HOLDING AS org.nr 926867970 · Oslo, Oslo · 14 companies NOK 4.5bn 73 ERNST & YOUNG AS org.nr 976389387 · Oslo, Oslo · 7 companies NOK 4.5bn 74 KOMMUNAL LANDSPENSJONSKASSE GJENSIDIG FORSIKRINGSSELSKAP org.nr 938708606 · Oslo, Oslo · 125 companies NOK 4.3bn 75 BOHUS ASA org.nr 992618175 · Oslo, Oslo · 5 companies NOK 4.3bn 76 AKERSHUS FYLKESKOMMUNE org.nr 930580783 · Oslo, Oslo · 16 companies NOK 4.3bn 77 PRICEWATERHOUSECOOPERS AS org.nr 987009713 · Oslo, Oslo · 2 companies NOK 4.2bn 78 DLVRY GROUP AS org.nr 927436272 · Oslo, Oslo · 22 companies NOK 4.2bn 79 SCATEC ASA org.nr 990918546 · Oslo, Oslo · 2 companies NOK 4.1bn 80 MEKO NORWAY HOLDING AS org.nr 936328008 · Oslo, Oslo · 26 companies NOK 4.1bn 81 BOUVET ASA org.nr 974442167 · Oslo, Oslo · 3 companies NOK 3.9bn 82 KONTOOR TRIANGLE I AS org.nr 998263158 · Oslo, Oslo · 3 companies NOK 3.9bn 83 VILFREDO AS org.nr 935302552 · Oslo, Oslo · 49 companies NOK 3.9bn 84 SWECO NORGE AS org.nr 967032271 · Oslo, Oslo · 2 companies NOK 3.9bn 85 SEAWAY 7 AS org.nr 824695792 · Oslo, Oslo · 16 companies NOK 3.9bn 86 YX NORGE AS org.nr 927810751 · Oslo, Oslo · 8 companies NOK 3.8bn 87 STOR-OSLO MOBILITY HOLDING AS org.nr 934610571 · Oslo, Oslo · 8 companies NOK 3.8bn 88 VIPPS HOLDING AS org.nr 920853013 · Oslo, Oslo · 10 companies NOK 3.7bn 89 SOTRA LINK HOLDCO AS org.nr 928339785 · Oslo, Oslo · 2 companies NOK 3.7bn 90 SPAREBANKSTIFTELSEN DNB org.nr 984853971 · Oslo, Oslo · 7 companies NOK 3.7bn 91 INVEX GROUP AS org.nr 988965138 · Oslo, Oslo · 62 companies NOK 3.7bn 92 MANPOWERGROUP AS org.nr 985765820 · Oslo, Oslo · 10 companies NOK 3.6bn 93 FLOOR BIDCO AS org.nr 924600403 · Oslo, Oslo · 77 companies NOK 3.6bn 94 HAWK INFINITY AS org.nr 916258720 · Oslo, Oslo · 236 companies NOK 3.6bn 95 CAPGEMINI NORGE AS org.nr 943574537 · Oslo, Oslo · 2 companies NOK 3.6bn 96 SKARVET HOLDING AS org.nr 989185756 · Oslo, Oslo · 11 companies NOK 3.6bn 97 JS BIDCO 2 AS org.nr 935038731 · Oslo, Oslo · 4 companies NOK 3.5bn 98 AMB NORWAY AS org.nr 995729237 · Oslo, Oslo · 4 companies NOK 3.5bn 99 DELOITTE AS org.nr 980211282 · Oslo, Oslo · 2 companies NOK 3.4bn 100 MUST AS org.nr 933542084 · Oslo, Oslo · 12 companies NOK 3.4bn
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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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