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Arq Quantum Technologies

Arq Quantum Technologies

Private
BarcelonaTelecommunications & Networkinghttps://arqtech.eu/

Last Round

Pre Seed

Jul 16, 2026

Total Funding Raised

$1.4M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Arq Quantum Technologies is a deep-tech company that develops hardware for the quantum internet, including solid-state quantum memories and entangled photon sources.

Sector

Telecommunications & Networking

Verticals

Quantum Computing, Network Equipment, Computing Hardware

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

quantum networkingquantum repeaterquantum memoryquantum internetquantum hardwareentangled photon sourcequantum communicationsolid-state memoryquantum opticsquantum infrastructurequantum techdeep techquantum comms

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Caplight Momentum Score

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Arq Quantum Technologies Comparables

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Arq Quantum Technologies comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Delft Networks B.V.
82%
Welinq
81%
Quantum Network Technologies, Inc.
80%

Arq Quantum Technologies Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Pre SeedJul 16, 2026
GrantMar 3, 2026
SeedJan 1, 2026

Arq Quantum Technologies Investors

Notable investors and investment history

Arq Quantum Technologies investors
InvestorRounds
European UnionGrant
Big Sur VenturesPre Seed, Seed
Ground State VenturesPre Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 16, 2026

    $1.4M round led by Ground State Ventures

  • Jan 1, 2026

    Seed round led by Big Sur Ventures.

Arq Quantum Technologies Filings

SEC and related filings with document metadata.

Data table
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Arq Quantum Technologies Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersBarcelona
Year Founded2025
Last FundingJul 16, 2026

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