NSD

IT Services · Systems Integration · Chiyoda, Tokyo

NSD is an independent system integrator that has developed core systems for customers across many industries for about half a century. Its system development business covers IT consulting, the planning, design and development of systems, and the construction of IT infrastructure, including cloud environments.

In finance it supports banking, trust, life and non-life insurance, securities and credit-card systems, and it also builds systems for manufacturers, retailers and trading companies, construction and real-estate firms, service businesses and public organizations. Its solution business provides IT-based services and sells software and products. It had 4,555 consolidated employees as of March 31, 2026.