From a long, great article on the overlap between Blade Runner and the Alien films:
When Ridley returned to the Alien-verse with Prometheus, he also considered featuring some allusions and outright references to Blade Runner. “There’s one idea that I’m very sad that we didn’t do,” explained Prometheus concept artist, Ben Proctor. “Ridley, one day, came in and said, ‘You know, I’m thinking what if it’s the Weyland-Tyrell Corporation? Is that cool?’ Maybe the bodyguards, you know, that come out with Weyland, maybe one of them says Batty on his uniform.Via.