Largest companies by revenue in Faglig, vitenskapelig og teknisk tjenesteyting
Ranked by the most recently reported operating revenue.
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
Amount
1
DNV AS
org.nr 945748931 · Bærum, Akershus · Active
NOK 12.8bn
2
NORCONSULT ASA
org.nr 963865724 · Bærum, Akershus · Active
NOK 9.2bn
3
AUTOSTORE AS
org.nr 974533014 · Vindafjord, Rogaland · Active
NOK 6.4bn
4
SIEMENS ENERGY AS
org.nr 915826946 · Oslo, Oslo · Active
NOK 5.5bn
5
MULTICONSULT NORGE AS
org.nr 918836519 · Oslo, Oslo · Active
NOK 4.9bn
6
PRICEWATERHOUSECOOPERS AS
org.nr 987009713 · Oslo, Oslo · Active
NOK 4.2bn
7
ERNST & YOUNG AS
org.nr 976389387 · Oslo, Oslo · Active
NOK 4.1bn
8
SWECO NORGE AS
org.nr 967032271 · Oslo, Oslo · Active
NOK 3.7bn
9
PGS GEOPHYSICAL AS
org.nr 960563085 · Oslo, Oslo · Active
NOK 3.4bn
10
BDO AS
org.nr 993606650 · Oslo, Oslo · Active
NOK 3.3bn
11
KPMG AS
org.nr 935174627 · Oslo, Oslo · Active
NOK 3.2bn
12
DENTSU NORGE AS
org.nr 927445875 · Oslo, Oslo · Active
NOK 2.8bn
13
COWI AS
org.nr 979364857 · Oslo, Oslo · Active
NOK 2.4bn
14
REACH SUBSEA AS
org.nr 993252263 · Haugesund, Rogaland · Active
NOK 2.4bn
15
RAMBØLL NORGE AS
org.nr 915251293 · Oslo, Oslo · Active
NOK 2.3bn
16
ASPLAN VIAK AS
org.nr 910209205 · Bærum, Akershus · Active
NOK 1.9bn
17
ADVOKATFIRMAET THOMMESSEN AS
org.nr 957423248 · Oslo, Oslo · Active
NOK 1.9bn
18
SLB CAPTURI NORWAY AS
org.nr 925200654 · Bærum, Akershus · Active
NOK 1.8bn
19
WIKBORG REIN ADVOKATFIRMA AS
org.nr 916782195 · Oslo, Oslo · Active
NOK 1.7bn
20
SIEMENS MOBILITY AS
org.nr 919366060 · Oslo, Oslo · Active
NOK 1.7bn
21
ADVOKATFIRMAET BAHR AS
org.nr 919513063 · Oslo, Oslo · Active
NOK 1.6bn
22
AZETS INSIGHT AS
org.nr 983338917 · Oslo, Oslo · Active
NOK 1.6bn
23
PUBLICIS COMMUNICATIONS NORWAY AS
org.nr 985087776 · Oslo, Oslo · Active
NOK 1.5bn
24
OMD AS
org.nr 992451645 · Oslo, Oslo · Active
NOK 1.4bn
25
FUGRO NORWAY AS
org.nr 969059789 · Oslo, Oslo · Active
NOK 1.4bn
26
AFRY NORWAY ADVISORY AS
org.nr 883889762 · Oslo, Oslo · Active
NOK 1.4bn
27
ADVOKATFIRMAET WIERSHOLM AS
org.nr 981371593 · Oslo, Oslo · Active
NOK 1.4bn
28
MULTIKLIENT INVEST AS
org.nr 971171537 · Oslo, Oslo · Active
NOK 1.3bn
29
NORCE RESEARCH AS
org.nr 919408049 · Bergen, Vestland · Active
NOK 1.2bn
30
SPINCHIP DIAGNOSTICS AS
org.nr 997971698 · Oslo, Oslo · Active
NOK 1.2bn
31
AIDER AS
org.nr 922633452 · Oslo, Oslo · Active
NOK 1.1bn
32
HEAD ENERGY CONSULTING AS
org.nr 997156765 · Bergen, Vestland · Active
NOK 1.1bn
33
ECOHZ AS
org.nr 985040567 · Oslo, Oslo · Active
NOK 1.1bn
34
ECONNECT ENERGY AS
org.nr 999017762 · Oslo, Oslo · Active
NOK 1.1bn
35
IKM CONSULTANTS AS
org.nr 981403800 · Sola, Rogaland · Active
NOK 981.3m
36
ELEMENT LOGIC AS
org.nr 982519292 · Ullensaker, Akershus · Active
NOK 957.3m
37
DNV BUSINESS ASSURANCE NORWAY AS
org.nr 959627606 · Bærum, Akershus · Active
NOK 936.5m
38
RYSTAD ENERGY AS
org.nr 887448892 · Oslo, Oslo · Active
NOK 915.4m
39
TGS TITANS AS
org.nr 998167000 · Oslo, Oslo · Active
NOK 899.0m
40
SANCO HOLDING AS
org.nr 979126387 · Sande, Møre og Romsdal · Active
NOK 894.3m
41
WSP NORGE AS
org.nr 881894742 · Oslo, Oslo · Active
NOK 848.2m
42
METIER AS
org.nr 917807590 · Oslo, Oslo · Active
NOK 822.5m
43
SINTEF OCEAN AS
org.nr 937357370 · Trondheim, Trøndelag · Active
NOK 811.0m
44
NORGES GEOTEKNISKE INSTITUTT AS
org.nr 932089114 · Oslo, Oslo · Active
NOK 804.6m
45
TECHOUSE AS
org.nr 984207565 · Sandnes, Rogaland · Active
NOK 804.1m
46
ERNST & YOUNG ADVOKATFIRMA AS
org.nr 984328796 · Oslo, Oslo · Active
NOK 801.2m
47
SPAREBANK 1 REGNSKAPSHUSET SMN AS
org.nr 936285066 · Trondheim, Trøndelag · Active
NOK 789.2m
48
ADVOKATFIRMAET HAAVIND AS
org.nr 986420177 · Oslo, Oslo · Active
NOK 783.7m
49
EYVI AS
org.nr 922541531 · Tønsberg, Vestfold · Active
NOK 777.7m
50
SINTEF ENERGI AS
org.nr 939350675 · Trondheim, Trøndelag · Active
NOK 776.2m
51
SANDS ADVOKATFIRMA AS
org.nr 935597404 · Oslo, Oslo · Active
NOK 749.2m
52
HRP AS
org.nr 988889245 · Oslo, Oslo · Active
NOK 745.1m
53
ANICURA AS
org.nr 911627604 · Oslo, Oslo · Active
NOK 742.1m
54
NOFIMA AS
org.nr 989278835 · Tromsø, Troms · Active
NOK 735.6m
55
DELOITTE ADVOKATFIRMA AS
org.nr 994116177 · Oslo, Oslo · Active
NOK 732.6m
56
GOODTECH AS
org.nr 984892071 · Oslo, Oslo · Active
NOK 731.5m
57
SCANSHIP AS
org.nr 991036164 · Tønsberg, Vestfold · Active
NOK 731.0m
58
AFRY NORWAY AS
org.nr 915229719 · Oslo, Oslo · Active
NOK 714.0m
59
SEAONICS AS
org.nr 997012461 · Ålesund, Møre og Romsdal · Active
NOK 692.7m
60
PIXII AS
org.nr 920652964 · Kristiansand, Agder · Active
NOK 684.5m
61
CMS KLUGE ADVOKATFIRMA AS
org.nr 913296117 · Stavanger, Rogaland · Active
NOK 678.5m
62
AF ENERGI AS
org.nr 983480535 · Oslo, Oslo · Active
NOK 672.0m
63
WAL MEDIA AS
org.nr 931605690 · Oslo, Oslo · Active
NOK 663.4m
64
NORGES SJØMATRÅD AS
org.nr 988597627 · Tromsø, Troms · Active
NOK 652.3m
65
ADVOKATFIRMAET ARNTZEN AS
org.nr 982409705 · Oslo, Oslo · Active
NOK 641.8m
66
VENI METERING AS
org.nr 980405540 · Drammen, Buskerud · Active
NOK 639.0m
67
ODFJELL ENGINEERING AS
org.nr 991491252 · Bergen, Vestland · Active
NOK 638.0m
68
ADVOKATFIRMAET SELMER AS
org.nr 920969798 · Oslo, Oslo · Active
NOK 623.9m
69
JCDECAUX NORGE AS
org.nr 976555988 · Oslo, Oslo · Active
NOK 594.7m
70
RSM NORGE AS
org.nr 982316588 · Oslo, Oslo · Active
NOK 588.8m
71
ADVOKATFIRMAET SIMONSEN VOGT WIIG AS
org.nr 898783812 · Oslo, Oslo · Active
NOK 571.4m
72
WPP MEDIA NORWAY AS
org.nr 991045449 · Oslo, Oslo · Active
NOK 552.6m
73
CAMBI GROUP AS
org.nr 989371479 · Asker, Akershus · Active
NOK 536.4m
74
ADVOKATFIRMAET SCHJØDT AS
org.nr 996918122 · Oslo, Oslo · Active
NOK 536.0m
75
RE: MEDIA AS
org.nr 990649537 · Oslo, Oslo · Active
NOK 534.7m
76
TOMRA SORTING AS
org.nr 982722039 · Asker, Akershus · Active
NOK 518.4m
77
VESTAS NORWAY AS
org.nr 994967819 · Trondheim, Trøndelag · Active
NOK 506.3m
78
EWOS INNOVATION AS
org.nr 911501252 · Gjesdal, Rogaland · Active
NOK 504.0m
79
INFLOWCONTROL AS
org.nr 996957691 · Porsgrunn, Telemark · Active
NOK 501.1m
80
NORSK ANALYSE AS
org.nr 948501430 · Tønsberg, Vestfold · Active
NOK 493.7m
81
OCEANEERING ASSET INTEGRITY AS
org.nr 965591095 · Bergen, Vestland · Active
NOK 488.2m
82
EVIDENSIA SMÅDYR AS
org.nr 912161668 · Oslo, Oslo · Active
NOK 486.9m
83
INNOMOTICS AS
org.nr 927459612 · Oslo, Oslo · Active
NOK 483.5m
84
SYNCROLIFT AS
org.nr 939077774 · Vestby, Akershus · Active
NOK 480.5m
85
FSN CAPITAL PARTNERS AS
org.nr 980540138 · Oslo, Oslo · Active
NOK 476.0m
86
TEQVA PROSJEKT AS
org.nr 918948376 · Sandnes, Rogaland · Active
NOK 470.8m
87
SCANMUDRING AS
org.nr 915027334 · Lindesnes, Agder · Active
NOK 467.5m
88
SPAREBANK 1 SØR-NORGE FORRETNINGSPARTNER AS
org.nr 990945748 · Stavanger, Rogaland · Active
NOK 461.9m
89
AXESS ASSET INTEGRITY AS
org.nr 980123537 · Molde, Møre og Romsdal · Active
NOK 451.4m
90
WELLTEC TECHNOLOGY CENTER STAVANGER AS
org.nr 916959109 · Sola, Rogaland · Active
NOK 442.8m
91
KPMG LAW ADVOKATFIRMA AS
org.nr 912056880 · Oslo, Oslo · Active
NOK 436.7m
92
PHD AS
org.nr 986698388 · Oslo, Oslo · Active
NOK 433.3m
93
AIRTHINGS ASA
org.nr 993092045 · Oslo, Oslo · Active
NOK 427.5m
94
JOHNSON CONTROLS NORWAY AS
org.nr 940729092 · Oslo, Oslo · Active
NOK 414.7m
95
VIEW GROUP AS
org.nr 987260335 · Oslo, Oslo · Active
NOK 410.7m
96
LIVE NATION NORWAY AS
org.nr 982031834 · Oslo, Oslo · Active
NOK 406.2m
97
BAUER MEDIA OUTDOOR NORGE AS
org.nr 976227891 · Oslo, Oslo · Active
NOK 405.7m
98
WESTCON LØFTETEKNIKK AS
org.nr 977471184 · Haugesund, Rogaland · Active
NOK 405.5m
99
LINK ARKITEKTUR AS
org.nr 975999726 · Oslo, Oslo · Active
NOK 404.9m
100
PURE SALMON TECHNOLOGY AS
org.nr 927020637 · Sandefjord, Vestfold · Active
NOK 403.3m
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Source
Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.
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.