Company lists · Data refreshed September 2026

Top 25 Quantum sensing companies worldwide

RevenueBase identified 589 company matches for quantum sensing companies worldwide as of September 2026 and tracks 8,102 professional contacts across them, including 3,351 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for quantum sensing companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026. Country and city lists for quantum sensing companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
589Companies
8,102Contacts tracked
3,351Verified emails
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The 25 largest quantum sensing companies worldwide

Ranked by team size
Top 25 of 589 company matches for quantum sensing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCollege Park, MD, United StatesHQ recorded Sep 21, 20261,001-5,000574 contacts →

Exact match

“IonQ, Inc.[NYSE: IONQ] is the world’s leading quantum platform and foundry - delivering integrated quantum solutions across computing, networking, sensing, and security.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchHelsinki, FinlandHQ recorded Sep 21, 2026501-1,000399 contacts →

Exact match

“Bluefors envisions a world where everyone has access to the power of quantum.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchToronto, ON, CanadaHQ recorded Sep 21, 202651-200292 contacts →

Exact match

“Xanadu Quantum Technologies Limited is a Canadian photonic quantum computing company with the mission to build quantum computers that are useful and available to people everywhere.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLouisville, CO, United StatesHQ recorded Sep 21, 2026201-500211 contacts →

Exact match

“Infleqtion, Inc.(NYSE: INFQ) is a global leader in quantum technology, delivering neutral atom solutions for quantum computing, networking, sensing, and security.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchZurich, SwitzerlandHQ recorded Sep 21, 202651-200165 contacts →

Exact match

“Zurich Instruments develops and manufactures advanced products for Quantum Computing and Periodic Signal Measurement.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchCoquitlam, BC, CanadaHQ recorded Sep 21, 202651-200159 contacts →

Exact match

“Based in beautiful Vancouver, Canada, Photonic is delivering scalable, distributed, and fault-tolerant quantum computing and networking technologies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchDelft, NetherlandsHQ recorded Sep 21, 202651-200158 contacts →

Exact match

“At Qblox we operate at the frontier of the quantum revolution.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchMassy, FranceHQ recorded Sep 21, 202651-200149 contacts →

Exact match

“Quandela specialises in the production of photon-based quantum computing and cloud solutions, enabling organisations to achieve their quantum transformation.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202651-200142 contacts →

Exact match

“Quantum computing is moving from "one day" to "day one." QuEra Computing is leading that transition.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchGeneva, SwitzerlandHQ recorded Sep 21, 202651-200121 contacts →

Exact match

“At ID Quantique, an IonQ company, we harness light to develop and industrialize advanced quantum products and technologies for organizations to ensure long-term protection of data…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchMunich, GermanyHQ recorded Sep 21, 202651-200116 contacts →

Exact match

“planqc's quantum computers store information in individual atoms – nature's best qubits.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchStaines-Upon-Thames, United KingdomHQ recorded Sep 21, 202651-200110 contacts →

Exact match

“We are Toshiba Europe.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchMartinsried, United StatesHQ recorded Sep 21, 2026201-500108 contacts →

Exact match

“Precision in Photonics.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchUlm, GermanyHQ recorded Sep 21, 202651-20097 contacts →

Exact match

“At NVision, we engineer quantum-powered medical imaging technologies that deliver deeper, more precise MRI data for researchers and clinicians.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchHalver, GermanyHQ recorded Sep 21, 2026501-1,00095 contacts →

Exact match

“At duotec, we stand for uncompromising innovation.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchKidlington, United KingdomHQ recorded Sep 21, 202651-20087 contacts →

Exact match

“The future is quantum.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchHoboken, NJ, United StatesHQ recorded Sep 21, 2026201-50087 contacts →

Exact match

“Quantum Computing Inc.(Nasdaq: QUBT) is a quantum optics and integrated photonics company focused on delivering accessible, scalable, and cost-effective quantum machines and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchSt. Gallen, SwitzerlandHQ recorded Sep 21, 202651-20085 contacts →

Exact match

“Terra Quantum is a leading quantum technology company based in Germany and Switzerland.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBarcelona, SpainHQ recorded Sep 21, 202651-20079 contacts →

Exact match

“Founded in 2019, we specialize in analog quantum computing, developing full-stack quantum computers based on fluxonium qubits, a robust, long-coherence architecture designed to…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchDelft, NetherlandsHQ recorded Sep 21, 202651-20073 contacts →

Exact match

“Light detectors are crucial components of optical imaging and telecommunication systems.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchSiegen, GermanyHQ recorded Sep 21, 202611-5072 contacts →

Exact match

“eleQtron develops and operates quantum computers based on trapped ions, RF control and Magnetic Gradient Induced Coupling (MAGIC).”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Sep 21, 202651-20067 contacts →

Exact match

“C12 is a Paris-based quantum computing startup building the next generation of scalable quantum computers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBerlin, GermanyHQ recorded Sep 21, 202651-20067 contacts →

Exact match

“Kipu Quantum is the worldwide pioneer developing and commercializing quantum-advantage solutions for the industrial problems of our customers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchGolden, CO, United StatesHQ recorded Sep 21, 202651-20063 contacts →

Exact match

“Vescent is the leading provider of ruggedized Optical Clocks, Frequency Combs, Lasers, and Controllers for Quantum 2.0 and adjacent applications.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchPleasanton, CA, United StatesHQ recorded Sep 21, 202651-20059 contacts →

Exact match

“Vector Atomic is commercializing quantum technology for applications including GPS-free navigation, telecommunications, and computing.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 589 quantum sensing companies worldwide

See the full list, filter by size, metro and specialty, and access 3,351 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quantum sensing companies worldwide at a glance

As of Sep 21, 2026
41.4%Verified-email coverage
13.8Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Singapore
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
315
11-50
202
51-200
55
201-500
11
501-1,000
4
1,001-5,000
2

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for quantum sensing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “quantum sensing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 3,351 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Quantum sensing companies by location

4 lists · largest first

Every Quantum sensing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “quantum sensing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quantum sensing companies are there worldwide?

RevenueBase identified 589 company matches for quantum sensing companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

IONQ tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most quantum sensing companies?

The United States leads with 122 companies, followed by the United Kingdom (44) and Germany (40). Every quantum sensing companies list by country and city is linked on this page.

Which city has the most quantum sensing companies?

Singapore leads with 10 company records, followed by London (9) and Cambridge (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,351 professional contacts with verified work emails tracked across these 589 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.