Honestly what you describe is less likely to run afoul of antitrust law than hiring some firm who has all that data to tell you what salary to offer. At least y

Honestly what you describe is less likely to run afoul of antitrust law than hiring some firm who has all that data to tell you what salary to offer. At least you are looking at data and competing, not just paying some consultant to tell you and every other company to lower salaries.