Company lists · Data refreshed September 2026

Top 25 Venture capital quantum tech investors worldwide

RevenueBase identified 655 company matches for venture capital quantum tech investors worldwide as of September 2026 and tracks 8,719 professional contacts across them, including 3,150 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for venture capital quantum tech investors 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 29, 2026. Country and city lists for venture capital quantum tech investors 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 29, 2026 How this list was built
655Companies
8,719Contacts tracked
3,150Verified emails
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The 25 largest venture capital quantum tech investors worldwide

Ranked by team size
Top 25 of 655 company matches for venture capital quantum tech investors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 29, 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 29, 2026 · View company records in RevenueBase
2Exact matchCollege Park, MD, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3Exact matchEspoo, FinlandHQ recorded Sep 29, 2026201-500350 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5Exact matchClaymont, United StatesHQ recorded Sep 29, 2026201-500252 contacts →

Exact match

“Quantum Machines envisions a new technological age.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSurry Hills, AustraliaHQ recorded Sep 29, 2026n/a235 contacts →

Exact match

“Blackbird is a venture capital fund based in Australia and New Zealand.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchLouisville, CO, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
9Exact matchBerkeley, CA, United StatesHQ recorded Sep 29, 202651-200171 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchMassy, FranceHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
11Exact matchShinfield, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
13Exact matchPalo Alto, CA, United StatesHQ recorded Sep 29, 202611-50105 contacts →

Exact match

“DCVC and its principals have backed brilliant people changing global-scale industries for over twenty years, helping create tens of billions of dollars of wealth for founders…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchTallinn, EstoniaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
15Exact matchBrighton, United KingdomHQ recorded Sep 29, 202651-20087 contacts →

Exact match

“A quantum computer harnesses the fundamental forces that govern the physical world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchGrenoble, FranceHQ recorded Sep 29, 202651-20077 contacts →

Exact match

“Quobly is a quantum computing company developing silicon-based quantum computers using proven semiconductor manufacturing processes.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSydney, AustraliaHQ recorded Sep 29, 202651-20075 contacts →

Exact match

“Silicon Quantum Computing (SQC) is at the forefront of global efforts to deliver a commercial-scale quantum system.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20068 contacts →

Exact match

“Molten Ventures is a leading venture capital firm in Europe, investing in and developing high growth technology companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchParis, FranceHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
20Exact matchMenlo Park, MA, United StatesHQ recorded Sep 29, 202611-5063 contacts →

Exact match

“Tribe Capital is a venture capital firm focused on capturing a perpetual edge in venture and crypto using data science.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchParis, FranceHQ recorded Sep 29, 202611-5056 contacts →

Exact match

“À propos d’Audacia Fondé en 2006 par l’entrepreneur Charles Beigbeder, Audacia est une société de gestion prionnière du capital investissement.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchPalo Alto, CA, United StatesHQ recorded Sep 29, 202611-5054 contacts →

Exact match

“Playground Global is an early-stage deep tech venture capital firm investing in technical founders to transform ambitious ideas into high-impact businesses.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchDenver, CO, United StatesHQ recorded Sep 29, 202611-5051 contacts →

Exact match

“Building the infrastructure for a quantum future so you can cool more with less Our mission is to deliver the world’s best tools to solve the toughest quantum challenges, offering…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Mateo, CA, United StatesHQ recorded Sep 29, 202611-5049 contacts →

Exact match

“Draper Associates is an early-stage venture capital firm, funding the future first.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchMilan, ItalyHQ recorded Sep 29, 202611-5046 contacts →

Exact match

“Algorithmiq develops quantum software that makes quantum computers useful for science and industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 655 venture capital quantum tech investors worldwide

See the full list, filter by size, metro and specialty, and access 3,150 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Venture capital quantum tech investors worldwide at a glance

As of Sep 29, 2026
36.1%Verified-email coverage
13.3Average contacts per company
1-10Median size (employees)
4.4%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
411
11-50
176
51-200
49
201-500
13
501-1,000
1
1,001-5,000
1
5,001-10,000
1

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 venture capital quantum tech investors are linked below.
What qualifies
Company records worldwide whose business descriptions match “venture capital quantum tech investors” 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 3,150 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 29, 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.

Venture capital quantum tech investors by location

4 lists · largest first

Every Venture capital quantum tech investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “venture capital quantum tech investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many venture capital quantum tech investors are there worldwide?

RevenueBase identified 655 company matches for venture capital quantum tech investors 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 venture capital quantum tech investors?

The United States leads with 178 companies, followed by the United Kingdom (43) and Canada (25). Every venture capital quantum tech investors list by country and city is linked on this page.

Which city has the most venture capital quantum tech investors?

London leads with 29 company records, followed by San Francisco (14) and New York (12).

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 3,150 professional contacts with verified work emails tracked across these 655 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 29, 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.