biztrac. BETA

Largest employers by headcount in Forretningsmessig tjenesteyting

Ranked by registered headcount.

Together the 100 companies on this list account for 100,542. Top of the list is ISS FACILITY SERVICES AS with 7,322, ahead of MANPOWER AS. Oslo has the most companies on the list (52).

# Company Employees
1 ISS FACILITY SERVICES AS org.nr 914791723 · Oslo, Oslo · Active 7,322 2 MANPOWER AS org.nr 920968201 · Oslo, Oslo · Active 5,356 3 ADECCO NORGE AS org.nr 935333156 · Oslo, Oslo · Active 5,174 4 4SERVICE EIR RENHOLD AS org.nr 917719993 · Oslo, Oslo · Active 3,910 5 AVARN SECURITY AS org.nr 943184097 · Oslo, Oslo · Active 3,642 6 PEDAGOGISK VIKARSENTRAL AS org.nr 986550909 · Bergen, Vestland · Active 3,628 7 JOBZONE NORGE AS org.nr 983032222 · Oslo, Oslo · Active 3,598 8 PERSONALHUSET STAFFING GROUP AS org.nr 982742765 · Oslo, Oslo · Active 2,945 9 SECURITAS AS org.nr 920144950 · Oslo, Oslo · Active 2,934 10 TOMA FACILITY NORGE AS org.nr 984684037 · Bergen, Vestland · Active 2,881 11 DEDICARE AS org.nr 982529786 · Stjørdal, Trøndelag · Active 2,761 12 INSIDER FACILITY SOLUTIONS AS org.nr 834327082 · Bærum, Akershus · Active 2,439 13 PERSONAL SERVICE OG SIKKERHET AS org.nr 985321876 · Stavanger, Rogaland · Active 2,224 14 AVARN SECURITY AVIATION AS org.nr 992147377 · Ullensaker, Akershus · Active 1,879 15 COOR CLEANING CATERING AND PROPERTY AS org.nr 912523918 · Oslo, Oslo · Active 1,712 16 ABILITY FM AS org.nr 911463830 · Bergen, Vestland · Active 1,695 17 BARNEHAGERESSURSEN AS org.nr 987250666 · Oslo, Oslo · Active 1,435 18 CARES AS org.nr 917860904 · Tønsberg, Vestfold · Active 1,245 19 RANDSTAD AS org.nr 948762404 · Oslo, Oslo · Active 1,106 20 STATSBYGG org.nr 971278374 · Oslo, Oslo · Active 1,018 21 SEC NORGE AS org.nr 898125882 · Stord, Vestland · Active 919 22 NORDIC CARE AS org.nr 995623811 · Oslo, Oslo · Active 897 23 STUDENTCONSULTING NORGE AS org.nr 990659788 · Oslo, Oslo · Active 896 24 VENTOR ENERGI NORGE AS org.nr 924924489 · Stavanger, Rogaland · Active 870 25 FRILANS FINANS NORGE AS org.nr 919294361 · Oslo, Oslo · Active 865 26 YABIMO NORGE AS org.nr 923329404 · Stord, Vestland · Active 846 27 ADECCO SOLUTIONS AS org.nr 959934924 · Oslo, Oslo · Active 841 28 WNS POMORZE SP. Z O.O NUF org.nr 990060142 · Drammen, Buskerud · Active 840 29 LANGSET SOLUTIONS AS org.nr 959718393 · Molde, Møre og Romsdal · Active 814 30 RENT RENHOLDSTJENESTER AS org.nr 994311344 · Oslo, Oslo · Active 749 31 RA HOSPITALITY OSLO AS org.nr 914563569 · Oslo, Oslo · Active 713 32 VAKTSEC AS org.nr 924690488 · Oslo, Oslo · Active 692 33 SIKKER BEMANNING AS org.nr 994637282 · Oslo, Oslo · Active 680 34 PECUS AS org.nr 899261062 · Oslo, Oslo · Active 676 35 RYDE TECHNOLOGY AS org.nr 922260575 · Oslo, Oslo · Active 675 36 FOSDALEN AS org.nr 993061832 · Steinkjer, Trøndelag · Active 671 37 VEND MARKETPLACES AS org.nr 981159772 · Oslo, Oslo · Active 665 38 TRONDHEIM EIENDOM org.nr 970416420 · Trondheim, Trøndelag · Active 658 39 BONLIVA AS org.nr 925570877 · Oslo, Oslo · Active 651 40 RTC CONSULTANCY AS org.nr 918523480 · Skien, Telemark · Active 648 41 REFLEKT HELSE AS org.nr 993577839 · Oslo, Oslo · Active 628 42 WORKSHOP BEMANNING & KOMPETANSE AS org.nr 988232637 · Oslo, Oslo · Active 604 43 OSLOBYGG KF org.nr 924599545 · Oslo, Oslo · Active 603 44 DKM SERVICES AS org.nr 991808094 · Karmøy, Rogaland · Active 589 45 LOGENT AS org.nr 911632519 · Lillestrøm, Akershus · Active 589 46 NOVA SPEKTRUM AS org.nr 921291930 · Lillestrøm, Akershus · Active 581 47 COOR SERVICE MANAGEMENT AS org.nr 983219721 · Oslo, Oslo · Active 579 48 NOBLE DRILLING NORGE AS org.nr 952603957 · Sola, Rogaland · Active 557 49 NES ADVANTAGE AS org.nr 984909020 · Bærum, Akershus · Active 552 50 REMA 1000 NORGE AS org.nr 982254604 · Oslo, Oslo · Active 550 51 ISS SERVICE MANAGEMENT AS org.nr 931620207 · Oslo, Oslo · Active 544 52 TEMP TEAM AS org.nr 987445378 · Oslo, Oslo · Active 539 53 DIN BEMANNINGS PARTNER AS org.nr 991233083 · Trondheim, Trøndelag · Active 526 54 ETERNI NORGE AS org.nr 996674347 · Bergen, Vestland · Active 524 55 KREDINOR AS org.nr 927901048 · Oslo, Oslo · Active 513 56 RAMUDDEN NORGE AS org.nr 913798317 · Ås, Akershus · Active 508 57 REM-POL RESOURCES NORWAY AS org.nr 991489339 · Sande, Møre og Romsdal · Active 507 58 ECURA CARE AS org.nr 993278467 · Oslo, Oslo · Active 507 59 ADECCO INDUSTRI AS org.nr 987794828 · Oslo, Oslo · Active 479 60 GAMMEL NOK AS org.nr 999254195 · Asker, Akershus · Active 474 61 VIKARKOMPANIET AS org.nr 914274311 · Nordre Follo, Akershus · Active 469 62 RENEX SERVICEPARTNER AS org.nr 820608372 · Ålesund, Møre og Romsdal · Active 467 63 BROBYGGERE BEMANNINGS- OG REKRUTTERINGSTJENESTE AS org.nr 830818162 · Bergen, Vestland · Active 462 64 RANDSTAD CARE AS org.nr 980429059 · Oslo, Oslo · Active 462 65 FIRST RENT A CAR NORWAY AS org.nr 985588392 · Oslo, Oslo · Active 462 66 EURORESSURS AS org.nr 919263164 · Sandnes, Rogaland · Active 461 67 AS SKAN-KONTROLL org.nr 925114510 · Oslo, Oslo · Active 453 68 TOPTEMP AS org.nr 987560274 · Oslo, Oslo · Active 447 69 PRO SEC PROFESSIONAL SECURITY AS org.nr 974229641 · Oslo, Oslo · Active 445 70 LANDBRUKSTENESTER SOGN SA org.nr 971364041 · Luster, Vestland · Active 445 71 CITY SECURITY AS org.nr 996199487 · Oslo, Oslo · Active 445 72 JUST CRUZIN' PRODUCTION AS org.nr 880875612 · Oslo, Oslo · Active 431 73 JOBBKRETSER AS org.nr 915864988 · Bergen, Vestland · Active 428 74 EMMCO POMORZE SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA SP.K. NUF org.nr 916009461 · Stord, Vestland · Active 419 75 RTC OFFSHORE AS org.nr 913164776 · Skien, Telemark · Active 408 76 RENTA AS org.nr 984188498 · Bergen, Vestland · Active 404 77 PROTECT VAKTHOLD & SIKKERHET SANDE AS org.nr 916082886 · Holmestrand, Vestfold · Active 399 78 SECURITAS TECHNOLOGY AS org.nr 983445349 · Oslo, Oslo · Active 390 79 LIVING CLEAN RENHOLD AS org.nr 997963164 · Oslo, Oslo · Active 390 80 WILHELMSEN MARINE PERSONNEL (NORWAY) AS org.nr 954630668 · Bærum, Akershus · Active 388 81 LEGELEASING NORGE AS org.nr 894186232 · Oslo, Oslo · Active 386 82 TS GROUP AS org.nr 988251399 · Porsgrunn, Telemark · Active 377 83 KONSTALI HELSENOR AS org.nr 932222140 · Oslo, Oslo · Active 377 84 RAMIRENT AS org.nr 984820011 · Lillestrøm, Akershus · Active 368 85 INTRUM AS org.nr 835302202 · Bærum, Akershus · Active 354 86 TOTALITY FACILITY SERVICES AS org.nr 916833393 · Asker, Akershus · Active 350 87 Anticimex A/S org.nr 923856781 · Oslo, Oslo · Active 348 88 VERISURE AS org.nr 929120825 · Oslo, Oslo · Active 348 89 EVAT AS org.nr 927695863 · Oslo, Oslo · Active 347 90 POLYGON AS org.nr 915229115 · Oslo, Oslo · Active 344 91 CBA FAGFORMIDLING AS org.nr 886032552 · Oslo, Oslo · Active 343 92 SAFE BEMANNING AS org.nr 915598056 · Bergen, Vestland · Active 342 93 FH CONTRACTORS NORGE AS org.nr 916487614 · Randaberg, Rogaland · Active 333 94 HYTECH PERSONELL AS org.nr 986906800 · Sola, Rogaland · Active 320 95 TRANSCOM NORGE AS org.nr 951919489 · Fredrikstad, Østfold · Active 318 96 KONGEPARKEN DRIFT AS org.nr 929083989 · Gjesdal, Rogaland · Active 310 97 NORDN AS org.nr 987704918 · Oslo, Oslo · Active 306 98 HVASS AS org.nr 886938772 · Oslo, Oslo · Active 294 99 TMTK UAB org.nr 988693006 · · Active 290 100 FREMOGRUPPEN AS org.nr 988168440 · Trondheim, Trøndelag · Active 289
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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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