Horizon Quantum Computing Pte. Ltd. has achieved a milestone by completing the assembly and integration of a quantum computer at its Singapore headquarters. This system, assembled from components and operated directly by Horizon Quantum’s team, marks the company as the first quantum software company to own and run a quantum computer. The company believes this tight integration of hardware and software will offer the shortest path to useful quantum computing, providing a testbed system with full control over both the hardware and software stack. This work is anticipated to enhance the functionality of Triple Alpha, Horizon Quantum’s integrated development environment.
Horizon Quantum’s First Quantum Computer
Horizon Quantum has assembled and integrated its first quantum computer at its Singapore headquarters, making it the first quantum software company to both own and operate such a system. This computer is now fully operational and allows Horizon Quantum to have full control over both the hardware and software stack. The company believes this tight integration is key to achieving useful quantum computing, narrowing the gap between theoretical models and practical realization.
This first quantum computer combines components from multiple sources—Maybell’s cryogenic platform, control electronics from Quantum Machines, and a Rigetti superconducting quantum processor. It’s the initial system within Horizon Quantum’s testbed facility, designed to host multiple systems and facilitate development across diverse configurations. The modular design allows for swapping components, enabling testing of software infrastructure with a variety of quantum hardware stacks.
Horizon Quantum intends to make this in-house quantum computer accessible through its integrated development environment, Triple Alpha. The company aims to be operational on multiple hardware platforms, including both cloud-based systems and those hosted in traditional data centres, ultimately striving to deliver hardware-agnostic development tools for quantum computers. This initiative is part of Horizon Quantum’s broader mission to unlock broad quantum advantage.
Tight Hardware-Software Integration Approach
Horizon Quantum believes a tight integration of hardware and software is key to achieving useful quantum computing. The company assembled its first quantum computer from components—including Maybell’s cryogenic platform, Quantum Machines control electronics, and a Rigetti processor—to create a fully operational system at its Singapore headquarters. This approach allows Horizon Quantum direct control over both the hardware and software stack, narrowing the gap between theoretical models and practical quantum computation.
This in-house system functions as a testbed, enabling Horizon Quantum to integrate its execution stack directly with the hardware controlling the quantum processor. The modular design of the testbed facilitates swapping components, allowing for development across diverse configurations and architectures. The company aims to test software with a variety of hardware, supporting its goal of delivering hardware-agnostic development tools for quantum computers, even exploring both cloud-based systems and traditional data centers.
Horizon Quantum’s focus is on enabling developers to solve real-world problems with quantum computing. According to Dr. Joe Fitzsimons, achieving quantum advantage requires close coordination between hardware and software layers. By establishing its own hardware testbed, the company positions itself to build a sophisticated, hardware-agnostic development and execution stack that tightly integrates with hardware control systems, ultimately aiming to unlock quantum advantage.
Our focus at Horizon Quantum is on enabling developers to harness quantum computing to solve real-world problems that are not tractable with conventional computing.
System Components and Modular Design
Horizon Quantum has assembled its first quantum computer from “best-in-class components,” including a Maybell’s cryogenic platform, control electronics from Quantum Machines, and a Rigetti superconducting quantum processor. This system is fully operational at Horizon Quantum’s Singapore headquarters, making them the first quantum software company to both own and operate a quantum computer. The company believes this tight integration of hardware and software will accelerate the path to practical quantum computing applications, allowing for direct control over the entire stack.
The newly assembled quantum computer features a modular design, enabling the swapping of control electronics and quantum processors. This flexibility allows Horizon Quantum to test and integrate its software across a diverse range of configurations and hardware architectures. This approach supports the company’s goal of creating hardware-agnostic development tools, and facilitates testing with both cloud-based systems and those hosted in traditional data centers, including superconducting qubits.
Horizon Quantum’s testbed facility is designed to host multiple systems, with this initial computer acting as the first operational unit. The company intends to make this in-house quantum computer accessible via its integrated development environment, Triple Alpha. This is expected to enhance functionality and push the boundaries of seamless quantum application development, ultimately aiming to solve complex computational problems not possible with conventional computing.
Triple Alpha Development Environment
Horizon Quantum has assembled and integrated its first quantum computer at its Singapore headquarters, making it the first quantum software company to both own and operate such a system. This achievement allows for tight integration between hardware and software, potentially shortening the path to useful quantum computing. The company believes this full control over both the hardware and software stack will enhance its development efforts and narrow the gap between theoretical quantum models and practical realization.
This new quantum computer, built from components including Maybell’s cryogenic platform and a Rigetti processor, serves as a testbed within a facility designed to host multiple systems. Its modular design allows for swapping of components, facilitating development across diverse configurations. Horizon Quantum aims to test and integrate its software infrastructure with various hardware, supporting its goal of delivering hardware-agnostic development tools for quantum computers, and eventually supporting multiple hardware platforms.
Horizon Quantum’s in-house quantum computer is expected to be made available via Triple Alpha, its integrated development environment. Triple Alpha enables developers to write sophisticated, hardware-agnostic quantum programs at different levels of abstraction. The company’s focus is on enabling developers to solve real-world problems with quantum computing, and they believe establishing this hardware testbed is key to building a sophisticated development and execution stack.
Horizon Quantum’s commissioning of its first in-house quantum computer is an impressive accomplishment and underscores the company’s leadership in building the software infrastructure that will power the next era of quantum computing.
Harry You
Business Combination with dMY Squared
Horizon Quantum is combining with dMY Squared Technology Group, Inc. through a business combination agreement initiated on September 9, 2025. This combination will involve the filing of a registration statement on Form F-4 with the SEC, including a proxy statement and prospectus. The goal is to allow dMY shareholders to vote on the combination at a special meeting, with materials detailing the transaction being made available to shareholders for review.
The business combination is designed to support Horizon Quantum’s continued execution of its vision. Horizon Quantum has assembled and is operating its own quantum computer, making it the first quantum software company to do so. This internal hardware capability is expected to accelerate development of its software infrastructure and push the boundaries of quantum application development, benefiting from tight integration of hardware and software layers.
Details regarding the business combination, including participant interests and relevant documentation, will be available through SEC filings. dMY shareholders can request materials directly from dMY Squared Technology Group, Inc. at their Las Vegas address. The combination is expected to allow Horizon Quantum to further develop Triple Alpha, its integrated development environment, and make it accessible to a broader audience.
Future Goals: Hardware Agnostic Platform
Horizon Quantum aims to deliver capable, hardware-agnostic development tools for quantum computers. Their recently assembled and operational quantum computer—built from components like Maybell’s cryogenic platform, Quantum Machines control electronics, and a Rigetti processor—serves as a testbed. This modular system allows swapping of components, enabling development across diverse configurations and supporting integration with various quantum hardware stacks. This focus on hardware flexibility is central to their goal of creating tools independent of specific quantum processors.
The company’s system is designed to narrow the gap between theoretical quantum computation and practical realization. By having full control of both the hardware and software stack, Horizon Quantum can directly integrate its execution stack with the control systems. This is intended to enhance the functionality of Triple Alpha, their integrated development environment, and ultimately push the boundaries of seamless quantum application development.
Horizon Quantum intends to be operational on multiple hardware platforms, including both cloud-based systems and those hosted in traditional data centres. The design of their testbed facility accommodates multiple systems, furthering their ability to test software across diverse architectures. This commitment to hardware independence is key to their broader mission of unlocking broad quantum advantage through software infrastructure.
