The AI companies in Oslo are mainly mid-sized to large firms specializing in software development, IT services, and information services. Visma, with over 6,000 employees, develops mission-critical business software. Bouvet ASA provides technology, communication, and management services, while Zalaris focuses on HR and payroll administration solutions. Rystad Energy offers data and insights for global energy markets.
A common thread among these companies is their focus on providing business-to-business solutions that enhance efficiency, offer specialized data, or streamline operations for their clients across various industries in Europe and beyond. Many were founded in the early 2000s, indicating a period of significant growth and establishment for these tech-oriented businesses.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 6,092 | ||||
| 2 |
Bouvet ASAbouvet.no
Leading Scandinavian consulting company providing technology, communication, and management services. Offers development and advisory services to public and private sector clients. |
2,325 | |||
| 3 |
Zalariszalaris.com
Providing HR and payroll administration solutions, empowering clients with valuable information to invest in their people, fostering team spirit and achieving high results |
1,822 | |||
| 4 |
Rystad Energyrystadenergy.com
An independent advisory and research firm providing data and insights for decision-making in global energy markets, spanning oil, gas, renewables, and more |
939 | |||
| 5 |
Advania Norgeadvania.no
A Northern European IT-services company with over 3,500 employees, helping customers improve performance through innovative use of IT platforms |
699 | |||
| 6 | 672 | ||||
| 7 |
LINK Mobilitylinkmobility.com
Provider of scalable mobile messaging services and digital communication solutions enabling businesses to connect with customers across various industries. |
613 | |||
| 8 |
Mercellmercell.com
Leading digital procurement marketplace connecting buyers and suppliers, offering transparent tender processes, compliance integration, and continuous evolution through user feedback |
454 | |||
| 9 |
Webstepwebstep.no
A profitable technology and consulting firm with 400+ IT experts, providing uncomplicated solutions to complex problems for customers across industries |
430 | |||
| 10 |
Fieldfieldgeo.com
This company captures, processes, and delivers accurate geospatial information, helping organizations make better decisions for planning, building, and managing environments across the Nordics. |
369 | |||
| 11 |
Computas AScomputas.com
Nordic provider of IT solutions and consulting, specializing in cloud solutions, AI, and machine learning, with expertise in system development and digitization processes |
340 | |||
| 12 |
SuperOfficesuperoffice.com
Provides CRM software enhancing sales, marketing, and customer service productivity for B2B companies across multiple European countries and beyond. |
316 | |||
| 13 | 296 | ||||
| 14 |
Sensiosensio.com
Provider of healthcare technology in the Nordics, offering pioneering software and products for patient care, safety alarms, and health platforms Simplifying healthcare personnel's tasks |
264 | |||
| 15 |
Norkart ASnorkart.no
A leading provider of municipal, mapping, and property information solutions to public and private sectors, with a focus on customer proximity and expertise |
244 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Attensiattensi.com
Specializing in 3D gamified simulation training, this company helps large corporations unleash employee potential and improve recruitment through immersive, interactive learning experiences |
223 | |||
| 17 |
Talentechtalentech.com
Talentech offers comprehensive HR tech solutions for every stage of the talent journey, supporting attraction, recruitment, onboarding, management, retention, and offboarding |
213 | |||
| 18 |
Stingray Marine Solutions ASstingray.no
This company offers intelligent technology for the aquaculture industry, using camera vision and laser technology to remove sea lice from fish efficiently |
213 | |||
| 19 |
Papirflypapirfly.com
An all-in-one brand management platform enabling easy creation of brand-perfect collateral, centralized asset management, efficient approval processes, and data analysis for refined brand strategy |
190 | |||
| 20 | 165 | ||||
| 21 |
Simplifaisimplifai.ai
A global AI solutions company offering automation through no-code SaaS solutions for processing written communications in compliance with GDPR |
77 | |||
| 22 |
Decisionsmeetingdecisions.com
Decisions empowers workplace leaders to maximize productivity in meetings with their award-winning app for Microsoft Teams and 365 |
74 | |||
| 23 |
Catendacatenda.com
Cloud-based ecosystem promoting open culture in the construction industry for sustainable practices Offers BIM platform and solutions for project lifecycle management worldwide |
43 | |||
| 24 |
Timelytimelyapp.com
Development of AI-based productivity applications including automatic time tracking and personal assistant tools to enhance work efficiency and focus. |
41 | |||
| 25 | 34 | ||||
| 26 |
Front Systems ASfrontsystems.com
Front Systems unifies commerce by connecting online and physical stores through seamless omnichannel experiences to attract and delight customers |
18 | |||
| 27 |
Maxifiermaxifier.com
Maxifier's software platform helps publishers maximize digital ad revenues, reduce costs, and optimize campaign performance using machine learning and transparency |
16 | |||
| 28 | 16 | ||||
| 29 |
PubGene ASpubgene.com
This company specializes in visualizing and navigating the current understanding of genes |
7 | |||
| 30 |
Puzzlepartcrayonconsulting.no
Specialists in Microsoft 365 and Dynamics 365, offering collaboration solutions, consulting, and support to various industries globally with innovative solutions |
6 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
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- IT Services and IT Consulting companies in Oslo 50
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- Manufacturers in Oslo 31
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