Mellon Solutions Dooel Mellon Solutions Dooel, a subsidiary of Mellon Technologies and member of Mellon Group of Companies, was founded in 2003 in Skopje, and offers leading front-end and back-end transaction solutions and services to organizations with strong consumer business, such as Retail Banks, Public Utilities, Telecommunications Providers and large Private Companies. Incorporating the Group's international know-how with the company's local expertise, Mellon Solutions is uniquely positioned to address the needs of its customers, enabling them to increase their market share and profitability, develop their network and introduce competitive products and services with short time-to-market across Macedonia.