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Haiqu lands an £8m seed round led by Primary Venture Partners to cut the cost of running quantum applications

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Haiqu
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Richard Givhan; Mykola Maksymenko
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£8m
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London, United Kingdom
Jan 13, 2026

Haiqu, a quantum software company, has raised £8 million in a seed round led by Primary Venture Partners, with participation from Qudit Investments led by John Donovan, Alumni Ventures, Collaborative Fund, Silicon Roundabout Ventures, Angel One Fund, and returning investors Toyota Ventures and Mac Venture Capital. Haiqu develops software designed to run near-term quantum applications at significantly lower computational cost. The funding will be used to accelerate the launch of Haiqu’s operating system for quantum applications.

The raise supports Haiqu’s efforts to address the high cost and limited performance of today’s quantum hardware, which it says restricts experimentation and progress. By reducing the resources required to run applications, Haiqu aims to make empirical testing and development more feasible for quantum teams.

Founded in 2022, Haiqu builds a hardware-aware quantum software stack that is designed to overcome limitations of modern quantum systems. Its software focuses on enabling larger and more complex applications to run with fewer resources, helping teams make practical use of existing quantum hardware rather than waiting for fully fault-tolerant systems.

Haiqu has already worked on anomaly detection use cases that were affirmed by IBM and Bank of Montreal, and plans to continue validating near-term quantum applications across industries including finance, healthcare, aviation and life sciences. Haiqu is also running quantum machine learning workloads at scale over high-dimensional data, according to the company.

Alongside product development, Haiqu plans to expand its global team and has recently hired Antonio Mei, formerly a principal technical product manager at Microsoft Quantum, as lead product manager to oversee the launch of its operating system. It will also continue to develop and support its early access programme for researchers.

Quantum teams need to make empirical progress on hardware to close the gap toward industrially useful quantum applications. Today, too little experimentation happens because quantum cloud costs are prohibitive and hardware performance remains insufficient. Our goal is to change that overnight with a software system that can run larger applications at a fraction of the cost. We are grateful to have found investors who recognize the ugly truth: middleware isn’t sexy, but it matters.
Richard Givhan, Co-founder & CEO
Quantum computing must demonstrate commercial advantage over classical compute in some domain in order to scale. The premise underlying our investment in Haiqu is that software is essential to realize this goal. More specifically, quantum hardware needs to operate more noise-resiliently and at greater scale. Haiqu minimizes hardware shortcomings to get the best of what quantum has to offer today and in the many years before we have fully fault-tolerant qubits.
Brian Schechter, Partner at Primary Venture Partners
It is impressive to see the growth in quantum since we first backed Haiqu nearly three years ago. The industry has gone from simulating toy problems to verifiable quantum advantage on niche scientific problems. The world will soon realize that useful applications will rely on production-ready software systems which Haiqu has quietly been building. They are already running quantum machine learning at scale over high dimensional data. And that is just one application they support. We are excited by their progress.
Jim Adler, Partner at Toyota Ventures
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