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Seistar Holding

Well boat fleet transporting, delousing and processing salmon for Norwegian fish farmers

Torangsvåg, NorwayFounded 1999seistar.noWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-29

About Seistar Holding

Seistar Holding AS operates well boats (brønnbåter) that carry live smolt, postsmolt and salmon from hatcheries to sea cages and on to slaughterhouses. The vessels use closed transport with continuously logged water parameters. Treatment vessels run hot-water and freshwater delousing and medicinal treatment in closed wells, and some vessels take fish from cages and bleed it on board before delivery.

Customers are salmon farmers, who can book a vessel for a season or a single assignment. The company's fleet includes the Seigrunn, a 2024 new-build from Cemre Shipyard in Turkey with three fish wells totalling 8,000 m³ and hybrid battery propulsion, which it describes as the largest vessel in the fleet, and the Seifjell, a 2024 new-build for smolt and salmon.

The company is registered in Torangsvåg, Norway, and was founded in 1999. Its predecessor Seihav AS began operating well boats in 1995. Lerøy Seafood Group has held 50 per cent of the shipowning company since 2015, with the remainder held by Seihav AS.

Product: Well boat transport of live salmon, smolt and postsmolt, delousing and medicinal treatment vessels, and on-board bleeding and processing vessels.

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