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All seasons as in non-studded winter tyres?
No, they are non-winter tyres - ie ones that are meant to still give good grip in low and wet conditions and be ok in higher temperatures too.
Nokian
http://www.autoexpress.co.uk/accessories-tyres/92865/nokian-weatherproof-tyre-reviewand
Goodyear
http://www.autoexpress.co.uk/accessories-tyres/92866/goodyear-vector-4seasons-gen-2-tyre-reviewwere the ones I was looking at. I think the Nokian are a tiny bit cheaper.
All seasons as in non-studded winter tyres? You might want to avoid them in summer due to softer rubber compound. Slippery and unnecessarily fast wearing.