Sigma

Sigma.AI is a global leader in training data collection, preparation, and annotation services tailored for AI development. With over 30 years of experience in data annotation, we specialize in offering high-quality training data for companies aspiring to build smarter AI. Our services emphasize human-centric approaches, ensuring that AI models are not only efficient but also ethical and sustainable. We pride ourselves on being the trusted partner for 4 out of the 5 global tech titans, bringing a human touch to data handling, which bridges the gap between machine understanding and human complexity.

Our expertise spans across the globe, with a dynamic team of over 25,000 trained professionals fluent in more than 600 languages and dialects. This diversity enables us to successfully tackle a range of complex data annotation challenges, ensuring that our clients receive the most accurate and context-relevant training data possible. We offer a plethora of services including data annotation, sourcing high-quality training data, and developing proprietary technology that enhances data collection processes. Moreover, our commitment to security is reflected in our ISO 27001 and SOC-2, Type 2 certifications, alongside our unwavering adherence to GDPR compliance. With offices located in Madrid, London, and Miami, Sigma.AI aims to empower AI innovators across various regions. Our mission is to redefine data quality in AI, making it more humane and effective.