Poseidona leverages the global focus on sustainability and the demand for alternative protein sources by using algal sidestreams and invasive seaweeds. This approach differentiates it from traditional protein sources like soy, beef, and fish, addressing environmental challenges and reducing the ecological footprint of protein production. Based in Barcelona, Poseidona serves various B2B industries, supported by venture firms such as Sprout & About Ventures and ProVeg International. With the urgent need for sustainable food solutions, Poseidona presents a promising business opportunity.