Completed · Norway · Software and IT services
Halliburton acquires Keystone.
Halliburton, headquartered in Houston, Texas, announced on 2 November 2026 that it has acquired Keystone AS, a Stavanger-based developer of software for well planning, rig operations and execution. Keystone's applications, including SmartHUB, OPEN and RMS, join the drilling and completion portfolio of Halliburton Landmark. The deal completed on 2 November 2026.
SigningDay 100
Announced 2 November 2026 · Day 100 on 10 February 2027
- Buyer
- Halliburton Company ·Houston, United States
- Target
- Keystone AS ·Stavanger, Norway
- Type
- Acquisition
- Announced
- 2 November 2026
- Completed
- 2 November 2026
- Value
- Not disclosed
- People
- Not stated in the release
- Last checked
- 2 November 2026
The people side in Norway
- In a transfer of an undertaking or part of one, existing employment rights and duties pass to the new employer, and the transfer itself is no ground for dismissal. Working Environment Act (arbeidsmiljøloven), sections 16-2 and 16-4
- Old and new employer inform and discuss the transfer with employee representatives as early as possible. Employees may object, with at least 14 days from being informed. Working Environment Act (arbeidsmiljøloven), sections 16-3 and 16-5
- From NOK 1 billion combined Norwegian turnover, with two parties each over NOK 100 million, a merger or acquisition of control is notified and may not close before the review ends. Competition Act (konkurranseloven), sections 18 and 19
Sources
More deals into NorwayMore deals by buyers from the United StatesSoftware and IT services dealsNovember 2026
Related deals
DateBuyer and targetStageSigning to Day 100People
- 7 Oct
Automation Anywhere, Inc.to
Boost.aideal page: Automation Anywhere agrees to acquire Boost.aiSignednot statedSigningDay 100 - 5 Oct
init innovation in traffic systems SEtoApplied Autonomydeal page: init takes a majority stake in Applied AutonomyCompletednot statedSigningDay 100 - 27 OctGuidewire Software, Inc.to
Hyperexponential Ltddeal page: Guidewire agrees to acquire hyperexponentialSignednot statedSigningDay 100 - 20 OctAzra AItoBlackford Analysis Ltddeal page: Azra AI acquires Blackford AnalysisCompletednot statedSigningDay 100