HumanSignal
HumanSignal is developing tools for creating, curating, and evaluating high-quality data for AI systems. Their open-source product Label Studio is widely adopted for data labeling across different modalities. The company is focused on supporting mission-critical AI pipelines and advancing AI technology.
Headquarters
San Francisco, California, United States
Company Size
51-200 employees
Founded
2019
HumanSignal provides full‑service dataset creation and enterprise-grade data annotation software to help organizations build novel, compliant AI systems. They combine managed labeling services with an annotation platform focused on high-quality, scalable human-in-the-loop workflows and rigorous quality controls. The company emphasizes data privacy, regulatory compliance, and bespoke dataset design so teams can train models on signals and examples no one else has. HumanSignal’s offerings target AI and product teams that need repeatable, auditable datasets and integration support to deploy those labeled assets into model development pipelines.
Data labeling isn't dead — It's evolving to become the cornerstone of agentic AI evaluation
Nov 21, 2025
HumanSignal Attains HIPAA Compliance for Label Studio Enterprise
Oct 19, 2023
HumanSignal launches Adala open source framework for autonomous data labeling agents
Oct 25, 2023
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for HumanSignal.
77% below the average for this role