Customer reviews for Granite & Marble Specialties as a countertop supplier overwhelmingly describe a positive experience. The installation work is frequently praised for being professional, precise, efficient, and high-quality, with installers noted for their knowledge, care in handling materials, meticulous cleanup, and even demonstrating helpfulness beyond the scope of their installation duties (e.g., assisting with sink disconnection). The processes, including estimation, customer service, and communication, are repeatedly described as thorough, efficient, seamless, and easy, leading to high customer satisfaction. Potential customers can expect attentive customer service, careful handling of installations, and generally quick service.