Maximize
The Power Of
Quantum Computing
Expanding application frontiers and building practical foundations, QunaSys turns quantum computing into new industrial value —tackling real‑world industry challenges, driving breakthrough innovations, and shaping the future through its power.
CASE STUDY
WHAT WE OFFER

For Companies Exploring Quantum-Driven Business Transformation:
We connect cutting-edge academic insights with real industry needs to drive large-scale breakthroughs through quantum computing. Let’s start with what’s possible today—and get ready together for the quantum-powered future.
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For innovators in Quantum Algorithms & Software:
We offer the QURI SDK — a research-oriented toolkit built to adapt to the evolving landscape of quantum hardware and architectures. Start building your assets today, and shape the future of quantum computing with us.
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For R&D departments in Chemical Industry Revolutionizing Materials Development:
We prepare you for the quantum‑computing era—elevating computational chemistry, enabling calculation‑driven R&D, and replacing trial‑and‑error with data‑powered innovation.
LEARN MOREPUBLICATIONS
- Hardness of classically sampling quantum chemistry circuits LEARN MORE
- Quantum computation of a quasiparticle band structure with the quantum-selected configuration interaction LEARN MORE
- Enhancing Accuracy of Quantum-Selected Configuration Interaction Calculations using Multireference Perturbation Theory: Application to Aromatic Molecules LEARN MORE
ABOUT US

QunaSys is a startup dedicated to unlocking the power of quantum computing through cutting-edge algorithm research and user-friendly software development — making quantum technology truly accessible and impactful across society.
CAREERS
At QunaSys, we’re looking for passionate teammates to help drive the real-world adoption of quantum computing and shape the industries of tomorrow — from research and development to business strategy.
CONTACT
Whether you're preparing for quantum adoption,
exploring algorithm research or software development,
or curious about QunaSys’s services, technology, and community —
we’re always here to help.
TOKYO
Aqua Hakusan Building 9F
1-13-7 Hakusan, Bunkyo-ku, Tokyo 113-0001
Japan
COPENHAGEN
Ole Maaløes Vej 3,
2200 København N,
Denmark
TOKYO
9F, Aqua Hakusan Building
1-13-7 Hakusan, Bunkyo-ku, Tokyo 113-0001
Japan
COPENHAGEN
Ole Maaløes Vej 3,
2200 København N,
Denmark