Arqit

Arqit

http://www.arqit.uk
https://www.linkedin.com/company/arqit/

Arqit, a Privately Owned company headquartered in the UK, was founded in 2017 and employs approximately 160 individuals. Operating within the Information Technology & Services sector, the company supplies a quantum encryption platform-as-a-service.

Revenue

Founded

2017

Headcount

104

Headquarters

United Kingdom

Primary Segment

Information Technology & Services

Ownership

Privately Owned

Deployments

1

News Summary:

On July 21, 2026, Ritchie Garth and Calabria Carlo both filed SEC Form 4 statements, indicating changes in their beneficial ownership of Arqit securities. These filings are routine disclosures made to the U.S. Securities and Exchange Commission by company insiders regarding transactions in the company's stock.

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Jul

23rd

2026

06:30

Artificial Intelligence, B2B Tag, Cybersecurity Incidents

What will define the next generation of cyber

As Artificial Intelligence reshapes both cyberthreats and cyberdefence, security leaders including Justin Henkel, CISO at SolarWinds; John Bruce, CISO at Quorum Cyber; Joseph Rooke, Director of Risk Insights at Recorded Future’s Insikt Group; Tom Burton,

Intelligent CISO

Jul

22nd

2026

03:17

Day Breach: A Governance Failure in Cybersecurity

By Jonathan Nguyen-Duy, Chief Technology Officer, Arqit For years, the conversation around quantum computing has centred on the question of when a sufficiently powerful quantum computer will arrive. It’s an exciting time for the industry, so this area of focus doesn’t come as a surprise.

European Business Magazine

Jul

21st

2026

23:17

Emerging Tech, B2B Tag

Migrating to post-quantum

1 Post-quantum security can’t wait for Q-Day, writes Andy Leaver, CEO of Arqit. Recent government action has made it clear that quantum computing is no longer a distant research project. From the United States Government’s Executive Orders urging acceleration to commercially viable machines, to new framework announcements in the UK and France, recognition is growing of its impending commercialisation and the consequences it will have.

Professional Security

Jul

21st

2026

06:30

Regulations and Policies

July 21, 2026 - Ritchie Garth - 4: Statement of changes in beneficial ownership of securities

4: Statement of changes in beneficial ownership of securities Published on July 21, 2026 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL Check this box if no longer subject to Section 16.

Jul

21st

2026

06:30

July 21, 2026 - Calabria Carlo - 4: Statement of changes in beneficial ownership of securities

4: Statement of changes in beneficial ownership of securities Published on July 21, 2026 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL Check this box if no longer subject to Section 16.

Jul

21st

2026

06:30

Regulations and Policies

July 21, 2026 - Lefebvre D'ovidio Manfredi - 4: Statement of changes in beneficial ownership of securities

4: Statement of changes in beneficial ownership of securities Published on July 21, 2026 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL Check this box if no longer subject to Section 16.

Jul

17th

2026

06:30

Regulations and Policies

July 17, 2026 - Lefebvre D'ovidio Manfredi - 4: Statement of changes in beneficial ownership of securities

4: Statement of changes in beneficial ownership of securities Published on July 17, 2026 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL Check this box if no longer subject to Section 16.

Jul

17th

2026

06:30

July 17, 2026 - Ritchie Garth - 4: Statement of changes in beneficial ownership of securities

4: Statement of changes in beneficial ownership of securities Published on July 17, 2026 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL Check this box if no longer subject to Section 16.

Jul

17th

2026

06:30

July 17, 2026 - Calabria Carlo - 4: Statement of changes in beneficial ownership of securities

4: Statement of changes in beneficial ownership of securities Published on July 17, 2026 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL Check this box if no longer subject to Section 16.

Jul

15th

2026

09:28

nLighten & Arqit test sovereign cloud model in Europe

nLighten and Arqit have completed a joint proof of concept that aims to let organisations use public cloud services without giving up control of sensitive data and cryptographic assets. The work was carried out between nLighten's Geneva data centre and a major hyperscale cloud provider.

DataCentreNews UK

Jul

14th

2026

07:30

Partnerships and Alliances, B2B Tag, Partnerships

nLighten and Arqit prove you can use the public cloud without giving up sovereignty

Arqit (NASDAQ: ARQQ) and European edge data centre platform nLighten completed a joint proof of concept showing that regulated organisations can run sensitive workloads on a major public cloud while keeping data, encryption keys and cryptographic controls anchored in nLighten’s sovereign Geneva facility using Arqit’s SKA-Platform and Intel TDX.

Jul

13th

2026

01:00

Regulations and Policies

July 13, 2026 - Lefebvre D'ovidio Manfredi - 4: Statement of changes in beneficial ownership of securities

4: Statement of changes in beneficial ownership of securities Published on July 13, 2026 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL Check this box if no longer subject to Section 16.

Arqit has customers like Dell Technologies. Arqit has commercial and technical partners like Amazon Web Services (AWS) and Traxpay.

Example Partners

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