The aquaculture industry’s largest quality supplier of fish health products and services
STIM at a glance & key developments in 2025
STIM is the leading supplier of fish health products and services to the aquaculture industry. With over 33 years of experience, STIM offers a holistic approach that combines expertise in vaccines, pharmaceuticals, environmental monitoring, and regulatory advisory. Operating across Norway, Chile, Scotland, Ireland, Iceland, and North America, STIM supports farmers in improving fish health outcomes and long-term operational sustainability.
In recent years, STIM has continued to expand its distribution network and proprietary product portfolio while deepening its advisory offering, including through the acquisition of Pharmaq Analytic’s fish health and environmental services in the UK and Ireland.
- Year acquired
- 2024
- Revenue
- EUR 170m
- Location
- Norway
- Employees
- 104
- Website
- https://stim.no/
- Investment theme
- Sustainable Food
- Contact
- martin.gjolme@summaequity.com
- SDG alignment
2, 14
What are the challenges Stim addresses
-
USD ~2bn
in revenue loss for salmon farmers from mortality and downgrades
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>15%
fish mortality in salmon farming
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Who is impacted?
Fish farmers, coastal communities, marine ecosystems and society at large are impacted by STIM’s fish health products and services. Farmers benefit from improved fish health and operational stability, while healthier farming practices reduce biological stress and environmental pressure on surrounding marine ecosystems.
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Contribution
STIM contributes to Summa’s theory of change by improving fish health and welfare through preventative treatments, monitoring and advisory services. By supporting disease management and responsible farming practices, STIM helps farmers run more stable, productive and sustainable operations.
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Risks to impact
Key risks to impact include limited control over farming practices and treatment application beyond STIM’s direct oversight, as well as environmental effects in marine environments. These factors may reduce the effectiveness of STIM’s solutions in improving fish health and minimizing environmental impact.