OTS is a Greek software development company founded in 1993, based in Thessaloniki, with over 30 years of experience building integrated information systems for public and private sector clients. The company operates at scale, serving more than 100,000 users across more than 700 installations within Greece's General Government and Central Administration entities, alongside private sector deployments.
The organisation employs 240 professionals who combine technical expertise with a collaborative approach to solving complex problems. Teams operate with autonomy while maintaining focus on customer satisfaction and responsibility. OTS Academy, an internal professional development programme, supports continuous growth across the workforce.
OTS has secured recognition as one of Greece's Best Workplaces and earned certification as one of the Best Workplaces in Europe for 2025. The company emphasises flexibility in its operations and positions itself around creating innovative solutions that address practical needs within its client base.
