least trustworthy internet service providers (ISPs) without your awareness, you need to evaluate whether current subscribers utilizing the company’s internet are pleased with its offerings. While a corporation may present various promises in its promotional content to persuade you to enroll, existing customers have directly encountered how the ISP resolves customer concerns and can attest to the service’s dependability. Research conducted by consumer rating organizations such as the American Customer Satisfaction Index (ACSI) does measure the contentment of active customers and serves as a vital metric to consider if you aim to choose your next internet provider.
Based on information from ACSI, you ought to select fiber internet from AT&T Fiber (rather than Google Fiber, Verizon Fios, or other prominent internet providers) if you seek a provider renowned for the highest customer satisfaction in the industry. In ACSI’s 2025 customer satisfaction assessment, AT&T Fiber emerged as the top fiber ISP, achieving a score of 78 out of 100.