VoC (Voice of Customer)
The practice of systematically capturing what customers say about their experience — across surveys, reviews, and the support conversations you already own — and turning it into decisions.
Voice of the Customer (VoC) is the discipline of systematically capturing what customers tell you about their experience and turning it into decisions. It is a program, not a single number. It pulls together solicited feedback — CSAT, NPS and CES surveys, interviews, review sites — and unsolicited signal from the conversations you already own: support tickets, chat logs, call transcripts, cancellation reasons.
The center of gravity has been moving from asking to listening. Gartner predicted that by 2025, 60% of organizations with VoC programs would supplement traditional surveys by analyzing voice and text interactions rather than leaning on surveys alone (Gartner, Predicts 2022). The reason is coverage: a survey reaches only the customers willing to fill out a survey, while your ticket queue and call recordings capture everyone who bothered to contact you. A mature VoC program is judged less by how much it collects than by whether the loop closes — whether an insight reaches an owner and actually changes a product, a policy, or a workflow.
What it hides: the assumption that you can hear your customers at all. VoC has two leaks. First, the sample self-selects — Qualtrics found fewer than a third of consumers now give feedback directly after a good or bad experience, and that share is falling. Your dashboard reflects the loud minority; the silent majority, including the customers quietly leaving, never shows up. Second, collecting is not acting: Forrester's 2025 survey of VoC and CX measurement programs found only 27% communicate insight to stakeholders in a timely way, and only half can link their CX metrics to business outcomes. A program that gathers feedback diligently and changes nothing is expensive theater with a survey attached.