GCL B2B – Multilingual Telemarketing, Outsourced SDR & Data Services A full-service B2B demand generation partner delivering outbound telemarketing, outsourced SDR teams, and expert data solutions. GCL B2B supports global campaigns across EMEA, the Americas, and emerging markets with tailored, insight-led outreach. Services include lead generation, appointment setting, account-based marketing, and data sourcing and cleansing - designed to accelerate pipeline growth and drive market expansion.