Structural solutions for footfall / footstep noise

Has anyone had a successful experience on a project to mitigate footfall / footstep noise? Any references for soundproofing experts / consultants who would specialize in this and come recommended? For the last year my upstairs neighbor and I have had a constant issue where I can pretty much hear every footstep in their apartment (though no higher-pitched noises) and they can hear bass from my... [more]

Has anyone had a successful experience on a project to mitigate footfall / footstep noise? Any references for soundproofing experts / consultants who would specialize in this and come recommended? For the last year my upstairs neighbor and I have had a constant issue where I can pretty much hear every footstep in their apartment (though no higher-pitched noises) and they can hear bass from my side. We've already done everything we can with rugs and rug pads - which maybe provided a 20-30% mitigation in noise/vibration. Both of us are very amenable toward a structural, more permanent solution which could resolve the issue for good. Both of us plan to live in our condos for the next few years so am willing to endure what we know could be a costly and inconvenient renovation/solution. Any advice or references to recommended soundproofing experts would be much appreciated! Thanks all - [less]