We all know client feedback surveys can offer valuable information. If you've been holding off—perhaps because you don't want to bother your clients—don't. The good news is that more than 70 percent of Fortune 500® GCs understand that such surveys are “important” or even “critical” to good lawyer-client relationships, according to a recent Altman Weil Pensa survey. (How fitting that we have this information thanks to a survey.)

Even if your firm isn't advising the Fortune 500, your clients will likely appreciate that your firm values its relationship with them enough to conduct a survey. And if it's worth doing, it's worth doing well. So here are 15 best practices that can help you avoid bad data and provide value to your clients through the survey experience.