Company lists · Data refreshed September 2026

Top 25 Quantum computing research labs worldwide

RevenueBase identified 1,148 company matches for quantum computing research labs worldwide as of September 2026 and tracks 15,930 professional contacts across them, including 5,587 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for quantum computing research labs 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 computing research labs 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
1,148Companies
15,930Contacts tracked
5,587Verified emails
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The 25 largest quantum computing research labs worldwide

Ranked by team size
Top 25 of 1,148 company matches for quantum computing research labs 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 matchBroomfield, CO, United StatesHQ recorded Sep 21, 2026201-500598 contacts →

Exact match

“Science led and enterprise driven, Quantinuum unites Cambridge Quantum’s best-in-class software with Honeywell Quantum Solutions’ high-performing trapped-ion hardware.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchPalo Alto, CA, United StatesHQ recorded Sep 21, 2026201-500359 contacts →

Exact match

“Quantum computing will be a world-changing technology with the potential to unlock powerful advances in medicine, energy, finance and beyond.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchEspoo, FinlandHQ recorded Sep 21, 2026201-500350 contacts →

Exact match

“IQM is pioneering the future of superconducting quantum computers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchPalaiseau, FranceHQ recorded Sep 21, 2026201-500294 contacts →

Exact match

“We build Programmable Quantum Simulators and Quantum Computers made of 2D and 3D Atomic Arrays.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchMarkham, ON, CanadaHQ recorded Sep 21, 202610001+236 contacts →

Exact match

“IBM Canada Software Lab - Toronto is a company based out of 8200 Warden Ave, Markham, Ontario, Canada.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchParis, FranceHQ recorded Sep 21, 2026201-500200 contacts →

Exact match

“Alice & Bob is a quantum computing company based in Paris and Boston whose goal is to create the first universal, fault-tolerant quantum computer.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchChiba-city, JapanHQ recorded Sep 21, 20261,001-5,000179 contacts →

Exact match

“The National Institutes for Quantum Science and Technology (QST) was established in April 2016 to promote quantum science and technology in a comprehensive and integrated manner.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchWaterloo, ON, CanadaHQ recorded Sep 21, 202651-200176 contacts →

Exact match

“The Institute for Quantum Computing (IQC) is a world-leading research centre in quantum information science and technology at the University of Waterloo.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchBerkeley, CA, United StatesHQ recorded Sep 21, 202651-200171 contacts →

Exact match

“Rigetti is a pioneer in full-stack quantum computing.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact 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
14Exact 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
15Exact matchSingaporeHQ recorded Sep 21, 202651-200155 contacts →

Exact match

“The Centre for Quantum Technologies in Singapore brings together quantum physicists and computer scientists to explore the quantum nature of reality and the fundamental limits of…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchShinfield, United KingdomHQ recorded Sep 21, 202651-200146 contacts →

Exact match

“Quantum computing is poised to reshape our world by addressing the complex challenges we face today.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchCambridge, United KingdomHQ recorded Sep 21, 202651-200144 contacts →

Exact match

“The fragility of qubits means today's quantum computers fail under an avalanche of data errors long before they reach utility-scale.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact 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
20Exact 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
21Exact 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
22Exact matchTel Aviv, IsraelHQ recorded Sep 21, 202651-200104 contacts →

Exact match

“Welcome to Classiq - Leading Quantum Computing Software Inspired by traditional semiconductor design automation, Classiq combines deep quantum expertise with novel implementation…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBerkeley, CA, United StatesHQ recorded Sep 21, 202651-20096 contacts →

Exact match

“We build scalable quantum computers with atomic arrays that empower our customers to achieve computational breakthroughs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchTallinn, EstoniaHQ recorded Sep 21, 202611-5095 contacts →

Exact match

“QWorld [Association] is a non-profit global organization that brings quantum computing researchers and enthusiasts together.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchSunnyvale, CA, United StatesHQ recorded Sep 21, 2026201-50089 contacts →

Exact match

“Launched in 2019, NTT Research is a Silicon Valley-based startup dedicated to conducting fundamental research in the fields of physics, cryptography and medical informatics with a…”

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

Showing 25 of 1,148 quantum computing research labs worldwide

See the full list, filter by size, metro and specialty, and access 5,587 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quantum computing research labs worldwide at a glance

As of Sep 21, 2026
35.1%Verified-email coverage
13.9Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
563
11-50
386
51-200
143
201-500
35
501-1,000
5
1,001-5,000
9
5,001-10,000
1
10001+
4

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 computing research labs are linked below.
What qualifies
Company records worldwide whose business descriptions match “quantum computing research labs” 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 5,587 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 computing research labs by location

7 lists · largest first

Every Quantum computing research labs 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 computing research labs”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quantum computing research labs are there worldwide?

RevenueBase identified 1,148 company matches for quantum computing research labs 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?

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

Which country has the most quantum computing research labs?

The United States leads with 218 companies, followed by India (118) and Germany (67). Every quantum computing research labs list by country and city is linked on this page.

Which city has the most quantum computing research labs?

London leads with 24 company records, followed by Singapore (17) and Chicago (16).

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 5,587 professional contacts with verified work emails tracked across these 1,148 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.