About Simsonar
Accurate underwater fish surveillance
Simsonar was founded in Oulu, Finland, in 2009 by a team of experienced engineers with a lifelong passion for recreational fishing and nature. Since our inception, we have focused on developing advanced fish surveillance technology, assisting our customers in monitoring fish populations and migration patterns across the Northern Hemisphere.
Why Simsonar?
We provide innovative technological solutions and tailored services delivering precise data to meet each client’s specific needs. At the heart of our work is a passion for nature and a commitment to help preserve native fish populations in wild waters around the world.
Innovative Technologies
We utilise machine learning, computer vision, and cloud computing, along with custom hardware, to meet each client’s environmental challenges.
Tailored Solutions
We customise our products and services to your needs, from consulting on underwater systems to full-service data collection, analysis, and support.
Accurate Data
We provide solutions that deliver precise, reliable data, ensuring clarity and leaving no room for misinterpretation.
Our Customers
We collaborate with a broad spectrum of customers, from government agencies to research institutions driving nature research and protection. Our solutions support industries such as mining and hydro power, helping them optimise their operation for fish protection efforts. We also work closely with non-profit organisations aiming to protect rivers and supporting sustainable sport fishing.

Our Products

Our Services
Our Team

Arto Seppänen
CEO, Sales & Support
Arto Seppänen has over 20 years experience in telecommunication industry within system development, sales and managerial positions. Base education as a Bsc in Information Technology and a Msc in Technology Competence Management. Fishing has been his passion from 6 year old.

Heikki Oukka
Head Of Development
Heikki Oukka has over 40 years experience of innovations within the high technology business. He has developed GSM basestations, created a world leading business in test and measurement segment and helped various start-ups on the board level. Heikki is keen in seeing things done and delivered.

Mika Sarajärvi
Technical Specialist – SW & HW
Mika is our newest member of the crew specializing in SW and AI development as well as other technical matters. Mika is keen on learning new with several years of experience in the industry.