Atlantic Quantum
A systems approach to quantum computing.
30 employees · est. 2022 · Cambridge, United States
Quantum Machines
Accelerating the Realization of Practical Quantum Computers
237 employees · est. 2018 · Claymont, United States
Quantum Machines is the older company (2022 vs 2018); Quantum Machines is the larger of the two.
Side-by-Side Comparison
| Metric | Atlantic Quantum | Quantum Machines |
|---|---|---|
| Founded | ||
| Founded | 2022 | 2018 older |
| Headquarters | ||
| Headquarters | Cambridge, United States | Claymont, United States |
| Employees | ||
| Employees | 30 | 237 larger |
| Industry | ||
| Industry | Information Technology, Quantum | Quantum |
| Funding Stage | ||
| Funding Stage | Grant | Series C |
| Total Funding | ||
| Total Funding | Not tracked yet | $363.00M |
| Funding Rounds | ||
| Funding Rounds | 6 | 7 |
| Services | ||
| Services | Not tracked yet | Quantum Computing Control and Electronics Solution from Room Temperature to Cryogenics |
| Target Customers | ||
| Target Customers | Not tracked yet | Full-stack quantum computing vendors, HPC centers, and leading quantum research labs |
| Taxonomy | ||
| Taxonomy | Quantum Computing, Hardware Development, Superconducting Circuits, Systems Engineering, Fault-tolerant Computing, Computer Science, Quantum Engineering | Quantum Computing, Quantum Control, Quantum Orchestration Platform, Quantum Software, Quantum Hardware, Quantum Electronics, Quantum System Development, Quantum Technology, Engineering Solutions, Multidisciplinary Team, Electrical Engineering, RF Microwave Engineering, Algorithmics, Digital Signal Processing |
| Website | ||
| Website | atlantic-quantum.com | quantum-machines.co |
About Atlantic Quantum
Atlantic Quantum is a quantum computing startup focused on implementing a systems engineering approach to build scalable and fault-tolerant quantum computers. Their goal is to move beyond the brute-force scaling of today's technology and attain real-world quantum advantage. Founded in 2022, the comp...
About Quantum Machines
Quantum Machines, founded in 2018, is spearheading the evolution of quantum computing from its headquarters in the United States. With the slogan, "Accelerating the Realization of Practical Quantum Computers," the company is on a mission to revolutionize industries by harnessing quantum technology....
We will tell you when either one moves
BounceWatch watches Atlantic Quantum and Quantum Machines for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Atlantic Quantum and Quantum Machines — by email.
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Compiled from the BounceWatch company index. We last looked at Atlantic Quantum on 6 Dec 2024, and Quantum Machines on 20 Oct 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.