Uanataca is a Qualified Trust Service Provider (QTSP) headquartered in Barcelona, Spain, that specializes in electronic signature solutions, digital certificates, and trusted identity services. Founded in 2016, the company holds Conformity Assessment Report (CAR) certification under EU Regulation 910/2014 (eIDAS) and authorization from the Spanish regulator, allowing it to operate as a qualified provider across the European Union. Uanataca provides a comprehensive suite of services including qualified electronic signatures, advanced electronic signatures, time stamping, electronic seals, digital certificate issuance, and authentication services. The company's flagship product, One-Shot Signature, enables users to sign documents with a digital certificate issued instantly at the time of signature, streamlining digital onboarding and contract execution processes. Uanataca targets multiple sectors including banking and fintech, human resources, telecommunications, healthcare, and professional associations. The company operates through a cloud-based API infrastructure that integrates electronic signature capabilities into client workflows without requiring upfront technology investments. Uanataca maintains offices across multiple countries including Spain, Italy, Portugal, El Salvador, Peru, Ecuador, and India, demonstrating its international reach. The company became a member of the Mexican Fintech Association (Asociación Fintech México) to support the financial technology ecosystem in Mexico, focusing on fraud prevention, identity verification, and electronic contracting. Uanataca is part of the Bit4id technology group and also operates under the Namirial brand in certain markets. The company emphasizes paperless processes, pay-per-use pricing models, and mobile-friendly solutions designed to facilitate digital transformation for enterprises of all sizes across Latin America, Europe, and beyond.