Greystone Productions Ltd., a privately owned company based in Spain, was founded in 2014. The company employs approximately 10 people and reported revenues under $1 million in 2023. It was established to formalize the long-standing professional collaboration between Neil Egerton and Sara Mastriforte, who had previously worked together independently for over 18 years. Greystone offers a variety of services, drawing on the combined experience of its founders, totaling over 55 years in the industry.
