Arq

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Arq

Arq

UK quantum technology startup developing networking hardware for the quantum internet.

Website
2025Active9Barcelona, United Kingdom

About

Arq is a UK-based quantum technology startup focused on developing networking hardware for the quantum internet. They are building quantum repeaters designed to connect quantum computers over long distances. Their technology combines quantum memories based on rare-earth doped crystals with photon-pair sources to enable reliable, high-speed communication across fibre optic networks. A key aspect of their approach is multiplexing, which allows for simultaneous storage and transmission of multiple photons, enhancing the speed and efficiency of quantum communication. Arq aims to provide a faster and more cost-effective solution for networking quantum computers, laying the groundwork for large-scale quantum networks. They are targeting applications in telecommunications, financial services, pharmaceuticals, and healthcare.
Frequently asked

What does Arq do?

Arq is a UK-based quantum technology startup focused on developing networking hardware for the quantum internet. They are building quantum repeaters designed to connect quantum computers over long distances. Their technology combines quantum memories based on rare-earth doped crystals with photon-pair sources to enable reliable, high-speed communication across fibre optic networks. A key aspect of their approach is multiplexing, which allows for simultaneous storage and transmission of multiple…

What is Arq's valuation?

StartupHub estimates Arq's effective valuation at $5.4M (range $3.5M to $8.4M, 22% confidence), based on comparable companies in the sector.

How much funding has Arq raised?

Arq has raised a total of $1M in funding. The most recent round on record is Pre-Seed.

Where is Arq headquartered?

Arq is headquartered in Barcelona, United Kingdom.

When was Arq founded?

Arq was founded in 2025.

What industry does Arq operate in?

Arq operates in Quantum Technology, Telecommunications, Networking, Hardware, Quantum Computing, Quantum Internet.

How many employees does Arq have?

Arq has approximately 9 people on record.

New entrants in Telecommunications
Last 90 days
3
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1.0
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0.2
Per week
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An entrant is a company tagged Telecommunications whose domain was first registered in the window, counted from registry records in the StartupHub directory. 1 of them registered in the last 30 days. Registry detection runs two to three weeks behind registration, so recent weeks are a floor.

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