Mera also owns interests in a company which make fingerprinting identification kits for infants and another company (Zeltia) which investigates about cancer fighting compounds in products from the ocean.
She is also the president of the Paideia Foundation, a charitable organization. The foundation has become involved in Spanish media, most notably as a producer of the Internet-themed game show Terceira rede (Third Network). Her venture capital firm Rosp Corunna is also a share holder in Continental Prods, a Galician media company. She also has a share of Milou Films and of Tornasol Films.