Contact Information 

DNA Ltd's Head Office

DNA Ltd group's and group companies' head office

Ansatie 6a B, Vantaa
PO Box 41, FI-01741 VANTAA

Tel. exchange: +358 (0)44 0440
www.dna.fi
firstname.lastname@dna.fi

Customer service
tel. +358 (0)44 144 044

Customer service for Welho products and services
tel:+358 (09) 156 5656,
www.welho.fi »

Other offices

Arkistokatu 4, PO Box 30,
FI-90101 OULU

Kiveläntie 4, PO Box 1506,
FI-70461 KUOPIO
 
Satakunnankatu 31, PO Box 53,
FI-28131 PORI

Kurjenmäenkatu 3,
FI-20700 TURKU

Telekatu 1, PO BOX 60,
FI-21201 RAISIO

Kalliokatu 10, PO BOX 76,
FI-26101 RAUMA

Puhelinkatu 1, PO Box 153,
FI-15101 LAHTI

Asemanrinne 9, PO Box 92,
FI-08101 LOHJA

Tullikatu 6-10,
33100 TAMPERE