If you're looking for Nokia the company you're in the wrong place, as none of Nokia's buildings remains in Nokia except one, a mansion which is used mostly for recreational purposes for the company staff. The headquarters were moved to Helsinki, with most other operations in Salo and Tampere.
However, old Nokia factories in the factory island and banks of Nokianvirta close to town center are worth a visit. From the Nokianvirta bridge a view to the factories is what Nokia is all about. Also Nokia church designed by C.L. Engel is quite nice.
