Assessio
Software DevelopmentStockholm, Sweden51-200 Employees
Assessio is a European software development company headquartered at 16 Banérgatan in Stockholm, Sweden, with 51-200 employees. Founded in 1954, it has evolved from a pioneer in psychometric assessments to a full-service HR technology provider. The company offers tools that connect recruitment, development, performance, and professional recognition, delivering science-based insights and AI-supported analysis to inform decisions across the employee lifecycle. Its platform is designed to deliver trusted people data while maintaining security under ISO-certified standards, with a strategic aim of reducing talent waste by unlocking employee potential. In recent years, Assessio has expanded through acquisitions, including HR Diagnostics Ltd in 2024 and Elevo in 2025, and has announced leadership changes such as appointing a Chief Revenue Officer in 2025.