quantum-software
(5)
Entropica Labs
Entropica Labs is a Singapore-based quantum software company building the infrastructure layer between quantum hardware and applications. Its tools - the Loom framework, Entwine visual IDE, and Quilt packager - let engineers design, validate, compile and deploy fault-tolerant quantum circuits with quantum error correction. Founded in 2018, the company works with hardware and control-stack makers including Xanadu, Quantum Machines, Rigetti and Quobly to close the programmability gap that stands between today's noisy qubits and useful, error-corrected quantum computers.
BlueQubit
BlueQubit is a San Francisco quantum-software startup founded in 2022 by Hrant Gharibyan and Hayk Tepanyan. Its Quantum-Software-as-a-Service (QSaaS) platform lets engineers write algorithms in familiar frameworks like Qiskit, Cirq and PennyLane and run them - with a single click - on GPU-based emulators the company says run up to 100x faster than common alternatives, or on real quantum hardware such as IBM's Heron and Quantinuum's H2. The company raised a $10M seed round in December 2024 and works with partners including IBM, NVIDIA, Quantinuum, Honda, AWS and Stanford. Its stated goal is to democratize quantum computing and make it practical for real-world enterprise applications.
Haiqu
Haiqu is a quantum software company building a hardware-aware operating system that helps enterprise and scientific R&D teams run larger, more useful workloads on today's quantum computers - without waiting for fully fault-tolerant machines. Its full-stack platform combines agentic R&D tooling, an optimization SDK, and a runtime that the company says can cut quantum execution cost and time by orders of magnitude. Founded in 2022 and backed by an $11M seed round led by Primary Venture Partners, Haiqu works with early enterprise users including Capgemini, HSBC, BMO, Airbus, and Deloitte.
Hrant Gharibyan
Hrant Gharibyan is the co-founder and CEO of BlueQubit, a San Francisco quantum-software-as-a-service startup he launched in 2022 with Hayk Tepanyan. A theoretical physicist trained at MIT, Stanford (PhD under Leonard Susskind), and Caltech (in John Preskill's group), he co-authored a wormhole-teleportation algorithm that Google Quantum AI later ran on a real superconducting processor. BlueQubit builds GPU-accelerated emulators and a cloud platform that lets enterprises design and run quantum algorithms, and raised a $10M seed round in December 2024 led by Nyca Partners.
Richard Givhan
Richard Givhan is the co-founder and CEO of Haiqu, a quantum software company building a hardware-aware operating system that squeezes useful results out of today's noisy, qubit-starved quantum computers. A Stanford-trained engineering physicist who once chased dark matter at the Kavli Institute, Givhan now bets on the unglamorous middleware layer - circuit optimization, error shielding, and orchestration - to make near-term quantum applications run at roughly 100x lower compute cost. Incubated in 2022 inside Toronto's Creative Destruction Lab Quantum stream, Haiqu has raised about $19 million to date, including an $11 million seed round in January 2026 led by Primary Venture Partners.