The producer
Why it matters.
Grüll's long maturation and rare albino program make it an Austrian aquaculture reference rather than a luxury reseller.
The origin.
Walter Grüll founded his fish farm and trade in 1981. The family business produces Siberian and rare albino sturgeon caviar alongside other freshwater roes.
What they make
Products.
caviar
Grüll Siberian Sturgeon Caviar
Slow-grown sturgeon caviar from Grüll's Salzburg and Bavaria aquaculture program.
Ingredient · Caviar
Farms, studios & facilities
Where they work.
Processing Facility · Primary
Grüll production and sales facility
Grödig, Salzburg, Austria
Sources & verification
- Walter Grüll — official caviar profile — Made By Producer Research· Aug 2026
- Walter Grüll — official company profile — Made By Producer Research· Aug 2026