'The specialist' in high-quality fish products

We are Seven Seas International, globally active and well-known in the fish trade for more than 100 years. In our various production departments, we produce a wide range of high-quality and innovative fish products. We do this for the retail market and food service customers at home and abroad. We can rightly call ourselves 'the specialist' in high-quality fish products.

Koelewijn Oostmaat BV (Sevens Seas International)

Koelewijn’s Haringinleggerij BV

Lijster Haring- en visgroothandel

We belong to The Koelewijn Group. Our parent company, Koelewijn's Haringinleggerij BV, mainly focuses on itinerant fish traders and fish specialists with their own fish shop. They aim to provide their customers every day with fresh top products from the sea or related products. This includes oil, spices, flour and sauces. Take a look at their website here and what they can do for you. 

In addition, The Koelewijn Group has a branch of Lijster Haringinleggerij in Hoogeveen, where the fish pickles are packed. Lijster's core business is mainly (sweet)sour herring, roast herring, rolmops etc.