Quantum computing has lengthy been introduced as “simply across the nook,” however a number of firms at the moment are made up our minds to make this a business truth, with the promise of fixing advanced issues past classical computer systems’ succeed in.
The issues in query are wide-ranging, from drugs and cybersecurity to fabrics science and chemistry. However first, there are very sensible issues to be solved, corresponding to growing chips that may reliably host broad numbers of qubits — quick for quantum bits, the basic unit of data in quantum computing.
As same old in a high-stakes tech race with an unsure time horizon, tech giants corresponding to Google and Microsoft are at the vanguard. But startups also are set to play crucial function, particularly tackling bottlenecks like connectivity and blunder correction which can be important for scaling quantum programs.
However some startups and smaller tech firms are taking at the chip problem head-on and deserve point out along the extra crowd pleasing efforts from business giants. Whilst Giant Tech tasks normally boast the perfect qubit counts, rethinking designs from first rules and the usage of other approaches may just yield similarly promising effects.
Listed below are one of the most firms in the back of the primary quantum chip tasks which can be price monitoring.
Akhetonics
Akhetonics is a German photonics startup running on an all-optical, general-purpose chip — a contrarian wager in a box the place maximum focal point on narrower packages. This daring model and its first-principles way helped the corporate carry a €6 million seed funding round led by way of Matterwave Ventures in November 2024.
Alice & Bob
Alice & Bob is a French startup that raised a $104 million Series B round of funding in January 2025 to proceed running towards development a “fault tolerant” quantum pc.
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Not like firms focusing simplest on chips, Alice & Bob is growing a complete quantum computing machine. To take action, it depends on cat qubits, a kind of superconducting qubit designed to scale back mistakes and simplify error correction.
Amazon
Amazon formally joined the quantum chip race in early 2025 when AWS introduced Ocelot, evolved in partnership with the California Institute of Generation. Whilst that is the corporate’s first quantum chip, AWS had in the past launched Braket, a quantum computing provider, in partnership with D-Wave, IonQ, Rigetti, and others.
Atom Computing
Atom Computing is a U.S. corporate development quantum computer systems with arrays of optically trapped impartial atoms.
On the Microsoft Ignite 2024 convention, Microsoft and Atom Computing introduced plans to launch a commercial quantum computer in 2025.
D-Wave
D-Wave is a quantum computing corporate whose newest flagship machine, the Advantage2 prototype, depends on a procedure referred to as quantum annealing, which makes use of quantum physics to search out essentially the most solid, lowest-energy preparations of parts to determine the most efficient combine for a given downside.
Based in 1999 as a derivative from the College of British Columbia in Canada, D-Wave is now a public corporate indexed at the NYSE.
EeroQ
Illinois-based EeroQ is a startup betting on helium for its quantum chip design. Having raised a $7.25 million seed investment spherical in 2022 and won regional public give a boost to, the corporate made a $1.1 million dedication in September 2024 towards expanding its HQ in Chicago’s Humboldt Park.
Fujitsu and RIKEN
In April 2025, Fujitsu and Eastern analysis establishment RIKEN introduced having evolved a 256-qubit superconducting quantum computer on the RIKEN RQC-FUJITSU Collaboration Heart, up from a 64-qubit iteration in 2023.
In December 2024, Google announced Willow, its newest quantum computing chip.
Google didn’t prevent at announcing Willow used to be higher than its predecessor, Sycamore, or at describing it as “a big leap forward in quantum error correction.” In a observation that made headlines, Google Quantum AI founder Hartmut Neven wrote that Willow’s efficiency lent “credence to the perception that quantum computation happens in lots of parallel universes.”
IBM
IBM’s quantum efforts come with Condor, its milestone superconducting chip for scaling as much as 1,121 qubits, and Heron, a 156-qubit processor serious about stepped forward efficiency and decrease error charges.
Infleqtion
Based in 2007, Infleqtion (previously ColdQuanta) is a US-based corporate growing quantum computer systems in keeping with impartial atom era.
Intel
Intel is growing quantum computer systems in keeping with silicon spin qubits. In June 2023, it unveiled Tunnel Falls, a 12-qubit analysis chip, and stated a next-generation quantum chip in keeping with Tunnel Falls used to be anticipated to be launched in 2024, however this hasn’t took place.
IonQ
IonQ is a publicly indexed U.S. corporate growing trapped-ion quantum computer systems, together with the IonQ Forte. After going public via a SPAC in past due 2021, it acquired Canadian networking specialist Entangled Networks.
IQM
IQM is a Finnish startup development superconducting quantum computer systems and is a spinout of the Aalto College and VTT Technical Analysis Centre of Finland. It won investment in its early days from the Industry Finland executive company, adopted by way of further give a boost to from the EIC Accelerator program.
In 2022, IQM raised €128 million in Sequence A2 investment led by way of International Fund, including to the €39 million led by MIG Fonds it had raised in 2020 as a part of what used to be then its Sequence A. This 2nd tranche integrated a part of a in the past introduced €35 million project mortgage from the Ecu Funding Financial institution, in addition to participation from the EIC Fund and others.
Microsoft
In February 2025, Microsoft introduced Majorana, a quantum chip the usage of a topological core architecture. Microsoft in the past declared that it anticipated to construct a quantum supercomputer within 10 years.
Oxford Ionics
As its identify suggests, Oxford Ionics is a British startup that spun out of Oxford College and makes a speciality of trapped-ion quantum computing.
It raised a £30 million Sequence A (roughly $36 million) in early 2023, adopted by way of an additional £2 million (roughly €2.32 million) from the United Kingdom’s Nationwide Safety Strategic Funding Fund (NSSIF) that very same yr. Extra lately, it used to be decided on for DARPA’s Quantum Benchmarking Initiative (QBI) along Quantinuum.
Pasqal
Pasqal is a French startup taking a full-stack option to quantum computing and having a bet on impartial atoms. The corporate emerged out of the Institut d’Optique in 2019, and its co-founders come with 2022 Nobel Prize laureate for physics and professor Alain Side.
In February 2023, Pascal raised a €100 million Series B funding round led by way of Singapore’s Temasek, with participation from current buyers Quantonation, the Protection Innovation Fund, Daphni, and Eni Subsequent, in addition to new buyers Ecu Innovation Council (EIC) Fund, Wa’ed Ventures, and Bpifrance (via its Massive Project Fund).
PsiQuantum
PsiQuantum is a quantum computing startup the usage of photonics era and aiming to construct “a 1 million-quantum-bit system.” In February 2025, it announced Omega, a quantum photonic chipset manufactured at GlobalFoundries in New York.
In 2021, PsiQuantum landed a $450 million Sequence D funding led by way of BlackRock, which is now stated to be main a potential $750 million round into the corporate at a $6 billion pre-money valuation. Based by way of Australian teachers, additionally it is backed by way of the Australian and Queensland governments.
Qilimanjaro
Qilimanjaro is a Spanish startup that specialize in analog quantum app-specific built-in circuits (QASICs) and taking a full-stack way, together with {hardware}, device, and packages.
Primarily based in Barcelona, it won the Four Years From Now startup competition at Cell International Congress in 2024, occurring to obtain €1.5 million in funding from Catalonia later that yr.
Quandela
Quandela is a French startup based in 2017 to broaden photonic quantum computer systems.
In November 2023, Quandela raised a €50 million Series B and won give a boost to from the French executive during the France 2030 Plan.
Quantinuum
Quantinuum is a quantum computing corporate formed in 2021 by way of the merger of Cambridge Quantum and Honeywell Quantum Answers. Its flagship product is the H-Sequence of trapped-ion quantum computer systems. In April 2024, in conjunction with Microsoft, it introduced a breakthrough in error correction.
QuantWare
QuantWare is a Dutch startup that got here up with a proprietary three-D chip structure, VIO, which makes a speciality of scaling bottlenecks in quantum processing gadgets (QPUs). It began accepting preorders for Contralto-A, its first QPU for quantum error correction, in February 2025.
Based in 2020, this is a spinout of TU Delft and its affiliated analysis institute, QuTech. In March 2025, and following a €6 million seed round in 2023, it introduced having raised a €20 million Series A (roughly $19.27 million) — together with €5 million in fairness out of the €7.5 million it previously secured from the Ecu Innovation Council (the remaining is a grant).
QuEra
Boston-based QuEra is having a bet on impartial atoms because the “best possible way to reach large-scale, fault-tolerant quantum computer systems.” Its merchandise come with Aquila, a 256-qubit analog neutral-atom quantum pc introduced in 2022 and out there by way of Amazon Braket.
QuEra is notably backed by Google, which led the $230 debt spherical that the quantum startup raised in February 2025 — with a convertible be aware additionally subsidized by way of SoftBank, Valor, and current buyers.
Rigetti Computing
Based in 2013 by way of Chad Rigetti, Rigetti Computing is a quantum corporate that specialize in superconducting era. Its vary of goods come with Ankaa-3 and the uppcoming 336-qubit Lyra system.
Identical to opponents D-Wave and IonQ, Rigetti Computing is a listed company; it raised slightly below $200 million in VC capital ahead of going public via a SPAC in 2021.
In February 2025, it signed a strategic partnership with Taiwan-based Quanta Pc, which is ready to take a position $35 million and buy stocks of Rigetti, whilst each firms make investments greater than $100 million each and every over the following 5 years to boost up the improvement and commercialization of superconducting quantum computing.
SEEQC
U.S. quantum startup SEEQC — an acronym for “scalable, calories environment friendly quantum computing” — is a spinout of chip corporate Hypres, which used to be itself established by way of former workers of IBM’s superconducting electronics department.
In 2023, SEEQC introduced a partnership with Nvidia to construct an “all-digital, ultra-low-latency chip-to-chip hyperlink between quantum computer systems and GPUs.”
In January 2025, SEEQC raised a $30 million round of funding co-led by way of Booz Allen Ventures and Eastern-Ecu VC company NordicNinja.
Different backers come with Merck’s company project capital arm, M Ventures. SEEQC is main the U.Ok.-supported QuPharma mission to discover how quantum computing can boost up drug discovery, in partnership with BASF and Merck.
SpinQ
SpinQ is a Chinese language startup based in 2018 that develops quantum computer systems. It claims that a few of them are portable and applying nuclear magnetic resonance (NMR).
Xanadu
Xanadu is a Canadian startup aiming to construct quantum computer systems via a photonic way. In January 2025, it introduced Aurora, a 12-qubit machine, together with 35 photonic chips.
Based in 2016, Xanadu raised some $275 million thus far, together with a $100 million Series C in November 2022 at a $1 billion valuation.
This tale used to be at first revealed on April 28, 2025 and will likely be continuously up to date.
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