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SemiQit

Fast-track your quantum research with reliable silicon quantum dot devices

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SemiQon Cryo-CMOS

Explore the world’s first transistors fully optimized for cryogenic conditions

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COMING SOON

SemiQon Quantum IC Chips

Silicon-based QPUs for scalable, sustainable quantum computing

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About SEMIQON

Pioneering scalable quantum technologies with silicon — making quantum computers commercially viable

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The Team

Bringing together deep expertise in quantum physics, microelectronics, and scalable semiconductor technologies

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Careers

Join a fast-moving quantum startup shaping the future of computing with silicon-based innovation

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Fulfilling the promise of quantum computing. Bridging the gap between today’s reality and future possibilities of quantum computing.
info@semiqon.tech+358 105 710 910
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Yukihisa Tsuruta

Business Development Director

yukihisa.tsuruta@semiqon.tech

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Himadri Majumdar

CEO

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Ulla Henttonen

Head of Public Affairs and Communications

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Himadri Majumdar

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Mika Prunnila

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Janne Lehtinen

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Markku Kainlauri

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Tech
Products

OUR PRODUCTS

Close-up of a round green circuit board with gold electrical connections and four beige connectors on a glossy black surface.

SemiQit

Fast-track your quantum research with reliable silicon quantum dot devices

Abstract blurred image with dominant green horizontal streaks and light reflections on a dark background.

SemiQon Cryo-CMOS

Explore the world’s first transistors fully optimized for cryogenic conditions

Close-up of a silicon wafer with multiple microchip circuits reflecting multicolored light.
COMING SOON

SemiQon Quantum IC Chips

Silicon-based QPUs for scalable, sustainable quantum computing

About

Our company

Blurred abstract shapes in purple and pink hues with a smooth, soft gradient background.

About SEMIQON

Pioneering scalable quantum technologies with silicon — making quantum computers commercially viable

Abstract close-up of rippling dark fabric with soft light reflections.

The Team

Bringing together deep expertise in quantum physics, microelectronics, and scalable semiconductor technologies

Abstract blurred background with soft white shapes on a gradient from purple to dark blue.

Careers

Join a fast-moving quantum startup shaping the future of computing with silicon-based innovation

News & Insights
Get in touch
SemiQon logo
Close contact modal
Fulfilling the promise of quantum computing. Bridging the gap between today’s reality and future possibilities of quantum computing.
info@semiqon.tech+358 105 710 910
LinkedIn logo

Commercial inquiries and partnerships

Yukihisa Tsuruta

Business Development Director

yukihisa.tsuruta@semiqon.tech

Investor inquiries

Himadri Majumdar

CEO

himadri.majumdar@semiqon.tech

Media inquiries

Ulla Henttonen

Head of Public Affairs and Communications

ulla.henttonen@semiqon.tech

Himadri Majumdar

himadri@semiqon.tech
LinkedIn
View profile

Mika Prunnila

mika@semiqon.tech
LinkedIn
View profile

Janne Lehtinen

janne@semiqon.tech
LinkedIn
View profile

Markku Kainlauri

markku@semiqon.tech
LinkedIn
View profile

We power quantum computers for the million-qubit era.

Real, scalable, cryogenic-ready quantum hardware — available now.

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semiqon's technology

We develop silicon-based quantum hardware to make future quantum computers more affordable, scalable, and sustainable. 

Our technology

SemiQon's Mission

Our mission is to power the scale-up of quantum computers with silicon-based quantum hardware

About SemiQon
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OUR PRODUCTS

Close-up of a cryogenic CMOS chip with metallic pins radiating from the center, surrounded by a green glow.

SemiQon Cryo-CMOS

Explore the world’s first transistor technology fully optimized for cryogenic conditions

Close-up of a circular green printed circuit board with a central black and gold microchip, mounted on a black platform.

Semiqit

Fast-track your quantum research with reliable silicon quantum dot devices

Close-up of a silicon wafer with grid patterns reflecting multicolored light, used in semiconductor manufacturing.

SemiQon Quantum IC Chips

COMING SOON

Silicon-based QPUs for scalable, sustainable quantum computing

Featured News & Insights

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The more we compute, the more heat we create. Now what?
October 5, 2026

The more we compute, the more heat we create. Now what?

The world runs on chips, but the more we need them, the bigger the problem we face with keeping them cool. What if the solution wasn’t just about finding workarounds but making today's chips much more energy-efficient?
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Every layer must be designed to scale
September 14, 2026

Every layer must be designed to scale

Speaking at Finnish Quantum Days in Jyväskylä, Nobel laureate John Martinis described the current stage of quantum computing as comparable to the 1960s in classical computing: over the next 5–10 years, simply increasing the number of qubits will not solve the scalability challenge. What lies ahead is a fundamental rethink of the entire quantum computer architecture. Every layer of the system must be designed to scale.
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Peter Sarlin-led PostScriptum invests in quantum hardware developer SemiQon
July 3, 2026

Peter Sarlin-led PostScriptum invests in quantum hardware developer SemiQon

With the investment, PostScriptum will become a shareholder in SemiQon, a Finnish quantum hardware company building one of Europe’s most ambitious platforms for next-generation quantum technology. The investment will help accelerate the commercialization of SemiQon’s breakthrough technology and support the company’s path toward becoming a leading European quantum hardware company.
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SemiQon in Media

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Peter Sarlin Invests in Quantum Technology, Backing Espoo-Based SemiQon
July 3, 2026

Peter Sarlin Invests in Quantum Technology, Backing Espoo-Based SemiQon

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Peter Sarlin Invests in Quantum Technology, Backing Espoo-Based SemiQon
July 3, 2026

Peter Sarlin Invests in Quantum Technology, Backing Espoo-Based SemiQon

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An Ultra-Low-Power Technology Expands Quantum and Space Potential
April 1, 2026

An Ultra-Low-Power Technology Expands Quantum and Space Potential

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An Ultra-Low-Power Technology Expands Quantum and Space Potential
April 1, 2026

An Ultra-Low-Power Technology Expands Quantum and Space Potential

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Here are Finland’s 10 most interesting startups
March 6, 2026

Here are Finland’s 10 most interesting startups

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Here are Finland’s 10 most interesting startups
March 6, 2026

Here are Finland’s 10 most interesting startups

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Upcoming Events

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Singapore week of innovation and technology
October 27, 2026

Singapore week of innovation and technology

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Upcoming events
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Singapore week of innovation and technology
October 27, 2026

Singapore week of innovation and technology

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IEEE International Electron Devices Meeting
December 14, 2026

IEEE International Electron Devices Meeting

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IEEE International Electron Devices Meeting
December 14, 2026

IEEE International Electron Devices Meeting

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Looking to connect with us at upcoming events? Get in touch at events@semiqon.tech

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