Seko S.A. processes and sells fish products. The company offers fishes, pastes, salads, canned fishes, mini fishes, ready meals, and frozen products; Greek fishes and round'n'round herring products; and vinegar and oil pickles, fillets, roast products with marinade or sauce, galantines, herring-based and vegetable salads, and sandwich spreads. It provides products in aluminum foil containers. It operates in Poland, Germany, the Czech Republic, Slovakia, England, Ireland, Romania, Italy, France, and Lithuania. The company was founded in 1992 and is based in Chojnice, Poland. Seko S.A. is a subsidiary of Zlota Rybka Sp. Z.o.o.