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Quantum Circuits, Inc. logo — Building quantum computers designed to scale

Quantum Circuits, Inc.

Building quantum computers designed to scale

Founded 2015 United States New Haven, United States 77 employees Acquired Total: $654.50M IT, Manufacturing +1

General Information

Company Name Quantum Circuits, Inc.
Founded Year 2015
Location United States New Haven, United States
Employees 77
Industries IT, Manufacturing, Quantum
Funding Stage Acquired
Business Model B2B, Platform, SaaS
Revenue Model Usage Based, Subscription, Service Fee
Social

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About Quantum Circuits, Inc.

Quantum Circuits, Inc., headquartered in the United States, is at the forefront of the quantum computing revolution, developing a full-stack platform tailored for scalability using superconducting devices. Founded in 2015, the company's mission is encapsulated in its slogan: "Building quantum computers designed to scale."

Leveraging over a decade of pioneering research at Yale University's renowned quantum labs, Quantum Circuits has developed an innovative approach that includes built-in error correction and multiple modes for executing a broad spectrum of algorithms swiftly. Their architecture’s modularity and robustness are key differentiators in the IT, Manufacturing, and Quantum industries.

The company recently secured a significant $26.50M Series B investment on 31 May 2024, backed by leading investor Sequoia Capital. This funding aims to propel their journey toward constructing the first truly useful quantum computers.

Business keywords: Quantum Computing, Superconducting Devices, Quantum Circuits, Error Correction, Scalable Architecture, Quantum Algorithms, Full-Stack Platform, Modular Architecture, Fault Tolerant Quantum Computing, Quantum Software, Quantum Hardware, Dual-Rail Qubit, Quantum Electrodynamics, RF Engineering, Mechanical Engineering

Services & Products

Quantum Error Detection
Real-Time Control Flow
Error Detection Handling
Development of Quantum Algorithms
Quantum Application Hosting

Target Customers

Quantum Researchers Tech Companies Developers in Quantum Computing Businesses Exploring Quantum Solutions Academic Institutions in Quantum Studies Innovation-focused Enterprises

Funding Rounds & Investors (6)

View All
Funding Stage Amount Investors Lead Investors Date
Acquisition $550.00M 1
D-Wave Quantum
01 Jan 2026
Series B $60.00M 11
Arch Venture Partners Connecticut Innovations F-Prime Capital
Arch Venture Partners, Connecticut Innovations +9
01 Aug 2024
Series B $26.50M 1
Sequoia
01 May 2024
Series A $18.00M 3
Fitz Gate Ventures
Fitz Gate Ventures, Sequoia +1
01 Nov 2017
Seed Undisclosed 1
Fitz Gate Ventures
Fitz Gate Ventures
01 Feb 2017
Spinout Undisclosed 1
University Ventures
University Ventures
01 Jan 2015

Quantum Circuits, Inc. Alternatives & Competitors

View All Alternatives
Quantum Circuits, Inc. vs
PsiQuantum
PsiQuantum United States

Building the world’s first useful quantum computers.

Series E
628 employees
Hardware, IT
Compare Quantum Circuits, Inc. vs PsiQuantum
Quantum Circuits, Inc. vs
Alice & Bob
Alice & Bob France

Bringing mankind into the quantum world

Not Funded/Unknown
248 employees
IT, Information Technology
Compare Quantum Circuits, Inc. vs Alice & Bob
Quantum Circuits, Inc. vs
Riverlane
Riverlane United Kingdom

Riverlane is the world leader in Quantum Error Correction (QEC), the technology that unlocks quantum...

219 employees
IT, Information Technology
Compare Quantum Circuits, Inc. vs Riverlane
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FAQ About Quantum Circuits, Inc.

Building quantum computers designed to scale
Quantum Circuits, Inc. was founded in 2015.
Quantum Circuits, Inc. is headquartered in New Haven, United States.
Quantum Circuits, Inc. operates in IT, Manufacturing and Quantum. Its work centres on Quantum Computing, Superconducting Devices, Quantum Circuits and Error Correction. Its customers include Quantum Researchers, Tech Companies and Developers in Quantum Computing.
Quantum Circuits, Inc. has a B2B, Platform and SaaS business model. Its revenue comes from Usage Based, Subscription and Service Fee.
Quantum Circuits, Inc. has approximately 77 employees.
Quantum Circuits, Inc. has completed 6 funding rounds, raising a total of $654.50M. The latest funding stage is Acquired.
Quantum Circuits, Inc. offers: Quantum Error Detection, Real-Time Control Flow, Error Detection Handling, Development of Quantum Algorithms, Quantum Application Hosting.
Top alternatives and competitors to Quantum Circuits, Inc. include PsiQuantum, Alice & Bob, Riverlane, QuEra Computing Inc., Aegiq. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Quantum Circuits, Inc. and PsiQuantum are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Quantum Circuits, Inc., https://bouncewatch.com/company/quantum-circuits-inc, updated 2 March 2026. When citing, please name BounceWatch and link this page.

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