SDT
Empowering the Quantum Age
Seoul, South Korea · Founded 2017
About
SDT Inc. is a Seoul-based full-stack quantum computing company pioneering Quantum Design and Manufacturing (QDM) — designing and building the complete infrastructure that quantum systems run on, including cryogenic machinery, qubit control electronics, measurement instruments, immersion cooling, and hybrid quantum-AI cloud platforms. Founded in 2017, SDT's product portfolio spans superconducting quantum computers (KREO series), the QuREKA hybrid cloud platform, and scientific instruments such as qubit controller units and time-tagging measurement units. The company was named a World Economic Forum Technology Pioneer in 2026 and raised $20.6 million in funding from Praxis Capital Partners.
Summary
SDT is a Developer Tools company based in Seoul, South Korea, founded in 2017.
Tech & App Stack
3 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Similar Companies
Stripe provides payments, billing, money-management, fraud-prevention, and identity tools that he...
Leading interactive entertainment company and developer of Fortnite, Unreal Engine, and the Epic ...
Mistral co-creates tailored AI systems for enterprises and governments, combining frontier models...
Chinese AI company developing GLM large language models and multimodal agent APIs for enterprises...
AI software engineering company building Devin, an autonomous AI coding agent capable of planning...
Cursor is the best way to code with AI, and built to make you extraordinarily productive.
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/sdt"><img src="https://indexed.vc/api/badge/company/sdt" alt="SDT on Indexed.vc" width="260" height="76" /></a>