Import and sales of frozen fish, seafood, lamb and potato products is DNHS’s primary activity. These products are imported from various parts of the world for a broad range of customers: processing plants, trading companies in the wholesale sector and retail chains.

Thanks to a team of dynamic employees with long years of experience and vast product knowledge, DNHS is able to meet the needs of its customers and face the challenges of the ever-changing market.

In the last 50 years the consumption of fish and seafood per person has doubled. A statistical person in Poland eats 13 kg of fish per year. Average fish consumption in Europe is 23 kg per person. 

For many years the company has been focusing on the imports of the following product groups:


Mackerel (Scomber scombrus)
Atlantic herring (Clupea harengus)
Sprat (Sprattus sprattus)


Atlantic cod (Gadus morhua)
Saithe (Pollachius virens)
Haddock (Melanogrammus aeglefinus)
Greenland halibut (Reinhardtius hippoglossoides)
Atlantic redfish (Sebastes marinus)
Alaska pollock (Theragra chalcogramma)
Zander (Sander lucioperca)
Patagonian grenadier (Macruronus magellanicus)
Blue grenadier (Macruronus novaezelandiae)
Argentine hake (Merluccius hubbsi)
Cape hake (Merluccius capensis)
European hake (Merluccius merluccius)
Pink cusk-eel (Genypterus blacodes)
Longtail southern cod (Patagonotothen ramsayi)
Warehou (Seriolella spp.)
Round-nose grenadier (Coryphaenoides rupestris)
Southern blue whiting (Micromesistius australis)
Tadpole codling (Salilota australis)
Mackerel icefish (Champsocephalus gunnari)
Escolar (Lepidocybium flavobrunneum)
Nile perch (Latus niloticus)
Iridescent shark (Pangasius hypophthalmus)
Yellowfin sole (Limanda aspera)
Nile tilapia (Oreochromis niloticus)
Alaska plaice (Pleuronectes quadrituberculatus)
Rainbow trout (Oncorhynchus mykiss)
Atlantic salmon (Salmo salar)
Keta salmon (Oncorhynchus keta)
and others


Argentine red shrimp (Pleoticus muelleri)
Whiteleg shrimp (Penaeus vannamei)
Tiger prawn (Penaeus monodon)
Kiddi shrimp (Parapenaseopsis stylifera)
Chilean blue mussel (Mytilus chilensis)
New Zealand mussel (Perna canaliculus)
Great scallop (Pecten maximus)
Common octopus (Octopus vulgaris)
Squid (Loliigo spp. / Illex spp.)
Louisiana crayfish (Procambarus clarkii)
Seafood mixes




French fries
Potato slices
Potato pancakes


Poles definitely prefer fish over seafood. The most common fish on their menu is the Alaska pollock – its annual consumption is 2.7 kg per person. They also like to eat herring, mackerel, cod and salmon.

Blue grenadier

contains 15 g of wholesome protein and can be consumed as a full-fledged substitute of red meat or poultry.

Alaska pollock

has low tendency to accumulate mercury. Eating Alaska pollock is recommended for pregnant women and breastfeeding mothers. It is safe for the fetus - it does not cause harm to its brain or kidneys.


was the cause of many wars, most recently in the 2nd half of the 20th century. Fortunately there were no casualties. But the diplomatic ties between the UK and Iceland were broken for some time.

Rainbow trout

has tasty, lean meat and is the richest in Omega-3 acids among all freshwater fish.