Kef is the most laid back of the 3, the B&W is the most tipped up in a smiley face EQ way, and the Focal is slightly hotter than neutral.
My order of preference from my listening tests would be Reference 1 > Sopra 1 > B&W 805D3
My order of preference from my listening tests would be Reference 1 > Sopra 1 > B&W 805D3