# PQShield: Computer & network security, Oxford, United Kingdom

> PQShield: PQShield is a post-quantum cryptography company founded in 2018 as a spin-out from the University of Oxford’s Mathematical Institute.

Source: https://millionrounds.com/startup/pqshield (Millionrounds; every figure on the page links to its filing or article)

United Kingdom · [Computer & network security startup](https://millionrounds.com/companies)

# PQShield

PQShield is a post-quantum cryptography company founded in 2018 as a spin-out from the University of Oxford’s Mathematical Institute.

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Funding reported Last round: Series B

Computer & network security Oxford, United Kingdom

Company summary

- **Founded:** 2018 8 years old
- **Team:** 110 51 to 200 people
- **Funding reported:** 63.9M as listed, currency not stated
- **Last round:** Series B Jun 2024

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for PQShield has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About PQShield

PQShield is a post-quantum cryptography company founded in 2018 as a spin-out from the University of Oxford’s Mathematical Institute.

Headquartered in Oxford, UK, it employs around 80-90 staff across 10 countries, focusing on protecting organizations and nations from future threats posed by quantum computing. The company develops quantum-resistant hardware and software solutions, including optimized cryptographic libraries, software development kits, and hardware IP cores designed for secure systems. PQShield also offers consulting services to guide organizations through the adoption of post-quantum cryptography. It serves various industries, including automotive, industrial manufacturing, IoT applications, and government sectors, collaborating with major tech firms like Microchip and AMD. Recognized for its innovative contributions, PQShield is committed to ensuring data security in the quantum era.

## What company datasets say PQShield raised

Funding, as reported

Reported in all **63.9M** in the source's currency

Rounds **5**

Last round **Series B**

Last round size **37M**

Last round date **Jun 2024**

Investors listed **9**

## Funding filed with regulators

PQShield filed 3 raises, $57M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Jun 2024 **$14M** UK share allotment
- Apr 2024 **$22M** UK share allotment
- Dec 2021 **$20M** UK share allotment

## On a portfolio page

Investors who name them

- [B&Y Venture Partners](https://millionrounds.com/fund/b-and-y-venture-partners)

Each firm lists PQShield on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## The company, in detail

What they build

Known for

cryptography compliance military-grade security pqsdk data protection quantum-safe cryptography patents enterprise platforms cryptography consulting quantum threat analysis quantum-safe tls military and aerospace quantum-resistant algorithms quantum-safe solutions quantum-resistant hardware manufacturing secure environments computer & network security

Built with from their website

Google Maps Jira Service Management Google Tag Manager Formassembly AMD Xilinx Cross Pixel Media WordPress.org Atlassian Font Awesome Google Workspace

+8 more

CloudFlare Viewport Meta Angular Material Jira Product Discovery Hubspot Atlassian Confluence Excel4Apps ZoomInfo Sales

- **Sector:** Computer & network security
- **Industry code:** NAICS 541512, 513210, SIC 7375
- **Region:** England
- **Revenue:** 22.2M a year, as listed
- **Full record:** [Every detail in the company directory](https://millionrounds.com/directory/pqshield)

## Computer & network security in United Kingdom

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