Depends on the target market.
If they need to sell to other men, that's fine, but if they need to sell to other women (which is actually quite likely), then not so much.
If they need to sell to other men, that's fine, but if they need to sell to other women (which is actually quite likely), then not so much.
All else being equal I'd definitely prefer to work with a more attractive coworker regardless of sex.