JIJ Inc. has secured JPY 840 million, approximately US$5.2 million, calculated using an exchange rate of JPY 161 per US$, in new equity financing led by Global Brain Corporation. The company reports it will use these funds to expand its AI-enabled optimization platform and develop technologies for both classical and gate-based quantum computing. JIJ has already developed over 60 use cases for optimization across sectors including energy, manufacturing, and logistics, demonstrating significant early traction; it is also building the open-source quantum programming language, Qamomile, alongside its commercial JijZept suite.
JIJ Secures $5.2 Million Funding Led by Global Brain
JIJ Inc. calculated its recent funding round at JPY 840 million, which is approximately US$5.2 million. This financial investment, led by Global Brain Corporation, indicates growing confidence in JIJ’s approach to optimization, blending artificial intelligence with the developing field of quantum computing. The funds will be allocated to expanding the company’s AI-enabled optimization platform, accelerating global growth, and furthering development of technologies applicable to both classical and future gate-based quantum computers.
This broad scope differentiates JIJ from typical quantum startups focused on a narrow application; the company appears to be building a versatile platform with immediate, practical relevance. Through its JijZept suite, the company supports the entire optimization lifecycle, from initial problem formulation to ongoing implementation and refinement, demonstrating a commitment to delivering end-to-end solutions. JIJ is building a technology foundation to support optimization across classical and emerging quantum computing environments.
JIJ is not solely focused on future quantum capabilities; it is simultaneously investing in the broader quantum ecosystem. The development of Qamomile, an open-source quantum programming language alongside the commercial JijZept suite, demonstrates a dual strategy. This commitment to open-source tools suggests JIJ aims to foster collaboration and accelerate the development of quantum software while also pursuing proprietary commercial applications. This work is supported by a research and development program backed by the New Energy and Industrial Technology Development Organization (NEDO), further solidifying JIJ’s position within the Japanese quantum landscape.
The company also actively participates in international quantum industry consortia, including Q-STAR, QuIC, and UKQuantum, signaling a global outlook. The launch of JijZept AI, currently in beta, represents a significant step towards automating the optimization process.
Evolving into a cloud-based AI agent service, JijZept AI leverages AI-assisted modeling and a dedicated sandbox environment, allowing AI agents to iteratively define requirements, build mathematical models, and run experiments based on user requests. JIJ explains the underlying philosophy driving the development of this technology.
The company intends to expand the service to support quantum programming, bridging the gap between classical and quantum optimization techniques. Yasuhiko Yurimoto, President & CEO of Global Brain Corporation, affirms this potential, stating, “Technologies developed through our research are now being deployed in day-to-day enterprise operations, and we believe this financing reflects confidence in both our technology and our ability to bring it into practice.”
Since JIJ was founded, we have worked at the intersection of quantum computing and mathematical optimization to address complex challenges across industries. Technologies developed through our research are now being deployed in day-to-day enterprise operations, and we believe this financing reflects confidence in both our technology and our ability to bring it into practice.
JijZept AI Suite Enables Iterative Mathematical Optimization
JIJ Inc. is rapidly expanding the capabilities of its JijZept AI suite, moving beyond traditional mathematical optimization into an iterative, AI-assisted process designed to accelerate problem-solving across diverse industries. This funding arrives as JIJ demonstrates traction with a portfolio exceeding 60 implemented use cases spanning energy, manufacturing, transportation, and beyond, indicating a broad applicability beyond niche applications. The core of this advancement lies in JijZept AI’s evolution into a cloud-based AI agent service.
This is not simply about faster computation; it’s about automating the entire optimization lifecycle. A dedicated sandbox environment further facilitates this process, providing a secure space for experimentation and refinement. JIJ also offers a software development kit, granting users access to solvers and the file system within JijZept AI, enabling integration with locally-run AI agents and expanding the potential for customized solutions.
This approach contrasts with many existing optimization tools that require significant manual intervention in model creation and tuning. JIJ’s system aims to reduce the barrier to entry, allowing organizations to leverage optimization techniques even without a team of dedicated mathematical modelers. This dual investment, in both classical AI and future quantum capabilities, is notable, as it positions JIJ to capitalize on advancements in both fields.
Alongside the commercial JijZept suite, JIJ is also fostering broader innovation through open-source initiatives. Yasuhiko Yurimoto, President & CEO, Global Brain Corporation, states, “Technologies developed through our research are now being deployed in day-to-day enterprise operations, and we believe this financing reflects confidence in both our technology and our ability to bring it into practice.” The company’s ambitions extend beyond simply solving existing problems; JIJ aims to fundamentally change how organizations approach complex decision-making.
JIJ established its UK subsidiary, JIJ Europe Ltd., in 2025 and its German subsidiary, JIJ GmbH, in 2026, building on established facts regarding its commitment to international expansion and localized support for its growing customer base.
Qamomile Drives Development of Gate-Based Quantum Computing
JIJ Inc. is simultaneously bolstering classical AI capabilities while laying groundwork for future quantum computing applications, a strategy exemplified by the recent JPY 840 million (approximately US$5.2 million). This dual investment reflects a deliberate approach to building a comprehensive optimization platform spanning current and emerging technologies. This breadth suggests JIJ is not focused on a narrow niche, but rather on establishing optimization as a core capability across diverse industries.
JIJ’s approach centers on translating real-world operational constraints into computable mathematical models, then implementing solutions for sustained business use. This focus on practical application is further reinforced by the launch of JijZept AI, a cloud-based AI agent service for mathematical optimization currently in beta. Crucially, JIJ is not solely focused on near-term AI-driven optimization; the funding will also support development of infrastructure for gate-based quantum computing.
JIJ’s Expansion into European and US Markets
JIJ Inc.’s recent JPY 840 million (approximately US$5.2 million) in equity financing, led by Global Brain Corporation, will fuel development of the company’s AI-enabled optimization platform and support the deployment of mathematical optimization solutions across a wider range of industries. This move represents a strategic positioning within a rapidly evolving landscape of quantum and classical computing. JIJ’s existing portfolio already demonstrates significant traction, having developed over 60 use cases spanning energy, manufacturing, transportation, telecommunications, logistics, and more.
The company’s European strategy, formalized with the establishment of JIJ Europe Ltd. in 2025 and JIJ GmbH in 2026, involves collaboration with local partners and research institutions. These partnerships aim to address both practical applications of optimization technologies and ongoing research into quantum technologies, indicating a commitment to long-term innovation within the region.
Simultaneously, JIJ initiated scaling of its business activities in the United States in 2026, mirroring its European approach of building local connections. This dual-continent expansion is supported by a diverse team, reflecting JIJ’s intention to draw on international expertise.
The company intends to bolster its research and engineering teams, specifically in quantum computing, mathematical optimization, and software engineering, alongside strengthening business development to connect its technologies with industrial needs. This dual approach, developing proprietary solutions while contributing to open-source tools, suggests a long-term vision for establishing JIJ as a central player in the future of quantum computing.
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