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QuintessenceLabs

QuintessenceLabs

Private

Last Round

Series B

Extension

Apr 1, 2025

Total Funding Raised

$43M

Company Overview

QuintessenceLabs is a cybersecurity company that provides quantum-resilient data protection solutions, including high-speed quantum random number generation, crypto-agile key management, and quantum key distribution.

Sector

Cybersecurity

Verticals

Data Protection, Quantum Computing, Cloud Security, Defense Tech

Business Model

B2B

Customer Profile

Hardware Sales, Subscription SaaS, Government Contracts, Services & Consulting

AI Layer

Non-AI

Keywords

quantum-safe cryptographypost-quantum cryptographyPQCkey management systemKMShardware security moduleHSMquantum random number generatorQRNGquantum key distributionQKDcrypto-agilitydata-at-rest encryptionentropy as a serviceEaaShigh-assurance securityquantum-proof security

Historical Pricing

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QuintessenceLabs Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series B ExtensionApr 1, 2025
Series B ExtensionMar 8, 2022
Series BOct 26, 2021
VC RoundFeb 19, 2020
GrantJan 23, 2018
Grant
Jul 17, 2017

Key People

Founding team and executive leadership

John Leiseboer

Chief Technology Officer

Executive Team

John Plummer

Chief Financial Officer Company Secretary

Executive Team

QuintessenceLabs Investors

Notable investors and investment history

QuintessenceLabs investors
InvestorRounds
Main SequenceSeries B Extension, Series B
Westpac Banking CorporationVC Round
InterValley VenturesSeries B, Series B Extension
National Reconstruction Fund CorporationSeries B Extension
Australian Government Defence Innovation HubGrant
In-Q-TelVC Round
Chevron Technology VenturesSeries B Extension

Market signals

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  • Jun 10, 2025

    Won the 2025 Intellyx Digital Innovator Award.

  • Mar 31, 2025

    $13.2M raised in early funding.

QuintessenceLabs Filings

SEC and related filings with document metadata.

Data table
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QuintessenceLabs Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersCanberra
Employee Range44
Year Founded2008
Last FundingApr 1, 2025

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