Top 9 Quantum Computing Companies to Watch in 2024: Who Is Making the Difference?

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Today’s technology environment is dawning with the promise of quantum computing. This groundbreaking field, once deemed science fiction, now has immense potential in various fields, from cybersecurity to pharmaceuticals.

Recent advancements indicate that we’re on the brink of a quantum leap in computing power, where complex problems that once took forever can be solved in mere seconds.

According to the latest statistics, investments in quantum computing have surged, with research and development reaching unprecedented levels as governments and corporations race to grasp this technology’s potential. In fact, the quantum computing market is expected to grow from $1.3 billion in 2024 to $5.3 billion by 2029.

Global Quantum Computing Market

In recent years, there’s been a significant increase in the number of quantum computing businesses, driven by the promise of quantum technology to transform various industries.

So, what are the top quantum computing companies making change in 2024? Let’s explore the leaders in the field and their current projects.

Key Takeaways

  • Quantum computing has the potential to significantly change industries ranging from cybersecurity to pharmaceuticals.
  • The quantum computing market is expected to grow from $1.3 billion in 2024 to $5.3 billion by 2029.
  • Major tech giants as well as innovative startups are investing heavily in developing quantum computing solutions, including quantum computing software and hardware.
  • Through ongoing research and development, quantum computing could bring about a new era of technological innovation and scientific discovery.

Top Nine Leading Quantum Computing Companies & Their Focus

Name Ticker Symbol? Key Areas of Quantum Research
IBM IBM Encompasses the theoretical underpinnings, algorithmic development, hardware improvements, and software tools needed to build a robust and practical quantum computing ecosystem.
Google (Alphabet) GOOGL The goal is to develop a large-scale computer that can perform complex, error-corrected computations.
Amazon AMZN Aims to democratize access to quantum computing to help researchers, developers, and businesses explore and experiment with quantum computing.
Microsoft? MSFT The focus includes developing a topological qubit that aims to deliver greater stability and reduce error rates better than other qubit types.
Intel INTC Focused on silicon spin qubits. Aims to develop scalable quantum processors and quantum computing technologies that can reliably operate at larger scales.
D-Wave Quantum? QBTS This approach involves using quantum annealing, a specific type of quantum computation, to address optimization and sampling problems that apply to various industries.
IonQ IONQ Leverages the unique properties of ions trapped by electromagnetic fields to create highly stable and coherent qubits.
Quantinuum Private Focuses on quantum error correction, quantum algorithms, and scalable quantum architectures.
Rigetti Computing RGTI Specializes in quantum integrated circuits. Developing quantum computers based on superconducting qubits.

The following are among the top quantum computing companies, each contributing unique technologies and innovations.

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9. Rigetti Computing

Rigetti quantum processor
Rigetti quantum processor. Source: AWS

Rigetti Computing (RGTI) is developing quantum computers based on superconducting qubits. These are special types of circuits that use the principles of quantum mechanics to perform calculations.

Rigetti has developed a cloud-based platform called Forest that allows users to write quantum algorithms and run them on Rigetti’s quantum hardware.

Additionally, Rigetti provides a quantum cloud services environment that integrates conventional and quantum computing.

8. Quantinuum

Quantinuum focuses on using trapped-ion quantum computers to develop resilient quantum computing solutions.

Formed in 2021 through the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing, Quantinuum combines hardware solutions with powerful software.

The company’s trapped-ion technology boasts the highest quantum volume recorded to date, exceeding one million in April 2024, signifying the system’s overall capability for complex calculations.

The company stated:

“Quantinuum has raised the bar for the global ecosystem by achieving the historic and much-vaunted ‘three 9’s’ 2-qubit gate fidelity in its commercial quantum computer and announcing that its Quantum Volume has surpassed one million – exponentially higher than its nearest competitors.”

Quantinuum’s research and development efforts are directed toward quantum error correction, quantum algorithms, and scalable quantum architectures.

7. IonQ

Photograph of IonQ Forte (front left) in its quantum data center in College Park MD
Photograph of IonQ Forte (front left) in its quantum data center in College Park, MD. Source: IonQ

IonQ (IONQ) is a prominent player in the field of trapped-ion quantum computing, using individual atoms as qubits for high fidelity and connectivity.

IonQ uses the unique properties of ions trapped by electromagnetic fields to create highly stable and coherent qubits, which are the fundamental units of quantum information.

The company’s approach offers advantages in terms of error rates and scalability compared to other quantum computing technologies. IonQ makes its machines accessible through various platforms, including Amazon Braket and Microsoft Azure Quantum.

This allows researchers, developers, and businesses to develop and run quantum algorithms without having to build their own complex hardware.

6. D-Wave Quantum

D-Wave Quantum (QBTS)? is a pioneering company in the field of quantum computing. Founded in 1999, D-Wave was one of the first companies to offer commercially available quantum computers.

The company’s approach involves using quantum annealing, a specific type of quantum computation, to address optimization and sampling problems that apply to various industries, including logistics, artificial intelligence, materials sciences, and financial modeling.

D-Wave has made significant strides in advancing quantum technology, marked by the release of successive generations of quantum systems, each offering improvements in performance, scale, and precision.

5. Intel

Intel (INTC) is a major player in the race to develop quantum computers. The company has invested heavily in research, focusing on a “full-systems architecture” approach.

This means they’re working on everything from the physical qubits themselves to the software needed to run them.

Intel is focused on silicon spin qubits that are made from the same material used in traditional computer chips.

This is important because it could enable companies to manufacture quantum computers using existing chip fabrication techniques, which would be a major step toward making them more affordable and scalable.

Last year, Intel released its most advanced quantum chip to date, called Tunnel Falls, to the research community.

Jim Clarke, director of Quantum Hardware at Intel, said:

“Tunnel Falls is Intel’s most advanced silicon spin qubit chip to date and draws upon the company’s decades of transistor design and manufacturing expertise. The release of the new chip is the next step in Intel’s long-term strategy to build a full-stack commercial quantum computing system.”

4. Microsoft

Microsoft (MSFT) is a significant player in the field of quantum computing, leveraging its extensive expertise in software and cloud infrastructure.

Microsoft’s quantum division is dedicated to creating a scalable quantum computer and a comprehensive quantum ecosystem.

The company’s approach includes developing a topological qubit that aims to deliver greater stability and reduce error rates more than other qubit types for future quantum computing advancements.

Microsoft also offers Azure Quantum, a cloud-based platform that provides access to various quantum hardware and software solutions, enabling researchers and developers to experiment with quantum algorithms and applications.

3. Amazon

Amazon (AMZN) Braket is a cloud-based quantum computing service provided by Amazon Web Services. Launched in 2019, Amazon Braket aims to make quantum computing more accessible to help researchers, developers, and businesses explore and experiment with quantum computing.

One of several quantum cloud computing companies, Amazon Braket provides access to quantum computing hardware from multiple providers, including D-Wave, IonQ, and Rigetti.

How Amazon Braket works
How Amazon Braket works. Source: AWS

Braket integrates with familiar AWS tools, offering a range of quantum development kits and programming interfaces such as Qiskit, a software development kit for quantum computing developed by IBM.

2. Google

Alphabet’s (GOOGL) quantum computing division, known as Google Quantum AI, is at the forefront of research and development in quantum computing. The primary goal of Google Quantum AI is to build quantum processors and develop new quantum algorithms that can solve complex problems more efficiently than conventional computers.

Google Quantum AI’s focus is to develop a large-scale computer that can perform complex, error-corrected computations.

Google's roadmap for building a useful error-corrected quantum computer with key milestones
Google’s roadmap for building a useful error-corrected quantum computer with key milestones. Source: Google Quantum AI

In 2023, the Google Quantum AI team demonstrated the first logical qubit prototype, proving that errors can be decreased by increasing the number of qubits via a technique known as quantum error correction.

1. IBM

IBM (IBM) is a leader in quantum computing through its IBM quantum division, offering cloud-based access to its quantum systems via the IBM Quantum Experience.

The IBM Quantum Network fosters partnerships with academic institutions, research labs, and industries to push forward quantum research and applications.

In 2023, IBM unveiled the IBM Quantum System Two, which is powered by a chip called the Heron made by IBM. The IBM Quantum System Two, which aims to act as a building block for quantum-centric supercomputing, is the first modular utility-scale quantum computer system.

The Bottom Line

Although it’s still the early days of quantum computing, it has the ability to how various industries operate. Through ongoing research and development, these machines could bring about a new era of technological innovation and scientific discovery, forever changing how computations are performed.

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Linda Rosencrance
Tech Journalist
Linda Rosencrance
Tech Journalist

Linda Rosencrance is a freelance writer and editor based in the Boston area with expertise ranging from AI and machine learning to cybersecurity and DevOps. She has covered IT topics since 1999 as an investigative reporter for several newspapers in the greater Boston area. She also writes white papers, case studies, e-books, and blog posts for a variety of corporate clients, interviewing key stakeholders including CIOs, CISOs, and other C-suite executives.

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