Industry code 70 · Oslo
Activities of head offices; management consultancy activities in Oslo
There are 8,901 active companies in activities of head offices; management consultancy activities in Oslo. 828 of them were registered in the last 12 months. Together they have at least 5,256 registered employees. The largest company is The Boston Consulting Group Nordic Ab NUF with 208 employees. The oldest, Joh Johannson, was founded in 1891. 57% are limited companies.
- Active companies
- 8,901
- New in the last 12 months
- 828
- Registered employees
- ≥ 5,256
- Share of limited companies
- 57 %
The largest companies in activities of head offices; management consultancy activities in Oslo
Sorted by number of employees. Figures are from the Register of Legal Entities and the Register of Company Accounts.
| # | Company | Org. no. | Employees | Revenue | Founded |
|---|---|---|---|---|---|
| 1 | The Boston Consulting Group Nordic Ab NUF | 991661557 | 208 | NOK 1.3 bn | – |
| 2 | Match Rekruttering & Bemanning AS | 929094719 | 197 | NOK 18.2 m | 2022 |
| 3 | Bearingpoint Norway AS | 984145047 | 143 | NOK 245.3 m | 2002 |
| 4 | Bedriftsakademiet AS | 965091831 | 129 | NOK 85.8 m | 1992 |
| 5 | Ks-Digitale Fellestjenester AS | 931796003 | 127 | NOK 218.2 m | 2023 |
| 6 | Mckinsey & Company Inc Norway Norsk Avdeling Av Utenlandsk Foretak NUF | 974787407 | 111 | NOK 706.3 m | – |
| 7 | Oslo Economics AS | 993924741 | 97 | NOK 184.5 m | 2009 |
| 8 | Sprint Consulting AS | 988497711 | 91 | NOK 147.9 m | 2005 |
| 9 | Hr Huset AS | 987897104 | 87 | NOK 71.6 m | 2005 |
| 10 | Thevit AS | 929681452 | 86 | NOK 129.7 m | 2022 |
| 11 | Acapo Onsagers AS | 932214636 | 81 | NOK 395.4 m | 2023 |
| 12 | Arkwright Consulting AS | 996905802 | 75 | NOK 228.5 m | 2011 |
| 13 | Marstrand AS | 913881281 | 72 | NOK 260.6 m | 2014 |
| 14 | Optio Incentives AS | 919345578 | 65 | NOK 127.1 m | 2017 |
| 15 | Bain & Company Norway AS | 891482922 | 63 | NOK 422.6 m | 2007 |
| 16 | Fh Services AS | 919904887 | 63 | NOK 73.8 m | 2017 |
| 17 | Uniconsult AS | 980302997 | 63 | NOK 242.1 m | 1998 |
| 18 | A-2 Norge AS | 986303065 | 58 | NOK 207.3 m | 2003 |
| 19 | Kiwa Kompetanse AS | 926319558 | 48 | NOK 101 m | 2020 |
| 20 | Thema Consulting Group AS | 895144932 | 45 | NOK 94 m | 2010 |
| 21 | Ascender AS | 914087406 | 45 | NOK 177.6 m | 2014 |
| 22 | Mef Service AS | 999137172 | 45 | NOK 168.1 m | 2012 |
| 23 | Pa Consulting Group AS | 920413382 | 44 | NOK 83.6 m | 1978 |
| 24 | Implement Consulting Group AS | 997336402 | 44 | NOK 87.1 m | 2011 |
| 25 | Verdane Advisors AS | 918933425 | 42 | NOK 187.8 m | 2017 |
Newest companies in activities of head offices; management consultancy activities in Oslo
- Origination AS Tvangsavviklingsbo6 Nov 2026
- Nbd362026 AS6 Nov 2026
- Nbd352026 AS6 Nov 2026
- Nbd372026 AS6 Nov 2026
- Wister Aviation5 Nov 2026
- Interim Consult AS5 Nov 2026
- Afla AS5 Nov 2026
- B. Farstad AS5 Nov 2026
- Saro Invest AS4 Nov 2026
- Brightside Alterås3 Nov 2026
Frequently asked questions
How many companies in activities of head offices; management consultancy activities are there in Oslo?
The Register of Legal Entities lists 8,901 active companies in activities of head offices; management consultancy activities in Oslo. 828 of them were registered in the last 12 months.
Which is the largest company in activities of head offices; management consultancy activities in Oslo?
The Boston Consulting Group Nordic Ab NUF is the largest by number of employees, with 208 employees. The organisation number is 991661557.
How many people work in activities of head offices; management consultancy activities in Oslo?
The companies have at least 5,256 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 25 of the 25 largest companies have reported employees.
How long have there been companies in activities of head offices; management consultancy activities in Oslo?
The oldest active company, Joh Johannson, was founded in 1891. 57% of the companies are limited companies.
Sub-industries in Oslo
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 70. Figures are updated continuously.

