qtlabs - Quantum Technology Laboratories GmbH

What qtlabs - Quantum Technology Laboratories GmbH does

qtlabs (Quantum Technology Laboratories GmbH) is a Vienna-based Austrian SME founded in 2017 that designs and manufactures hardware, software, and services for optical and quantum communication systems, with a primary focus on space-based and terrestrial Quantum Key Distribution (QKD). The company's product portfolio spans the full QKD stack: BBM92-compatible Entangled Photon Sources (EPS) and BB84-compatible Faint-Pulse Sources (FPS), polarization and phase-encoding quantum receivers, Optical Ground Stations (40–100 cm apertures) for GEO/LEO links, adaptive optics modules for atmospheric turbulence compensation, horizontal free-space links up to 40 km, and C-band laser communication terminals compliant with CCSDS and SDA standards. A proprietary in-house quantum source is progressing through space qualification toward TRL-6 in 2026 and TRL-7 in 2027, partially supported by ESA. The company holds the world record for free-space QKD (143 km La Palma–Tenerife link) and executed the first-ever QKD downlink from an orbiting satellite in Europe, both attributed to its founders and core team with roots in Nobel Prize-winning research.

qtlabs monetizes across four revenue streams: (1) hardware sales of individual QKD components and integrated turnkey systems for space and terrestrial deployments; (2) professional services including quantum-safe transition roadmaps, QKD satellite mission design consulting, security risk analysis, and numerical security proofs; (3) software solutions for end-to-end QKD mission simulation, numerical security proof toolkits, and post-processing optimization; and (4) training through the QURIOS Academy platform offering online courses and in-person workshops. Pricing is custom and project-based under multi-year contracts, with no public disclosure. Customers span European Space Agency missions (QKDSat, SAGA), aerospace primes (Airbus, THALES, Honeywell, ThalesAleniaSpace, OHB, Redwire, Craft Prospect, deimos), financial institutions (ERSTE Bank), defense (Austria's Aurora military satellite mission), and academic research (ICFO). Distribution runs through direct enterprise sales, ESA mission consortia, and partnerships with satellite manufacturers and system integrators; the company is also embedded in a sister-company alliance with QSSYS (fiber-based QKD) and Zerothird (international business/project management).

Name

qtlabs - Quantum Technology Laboratories GmbH

Legal name

Quantum Technology Laboratories GmbH

Website

https://qtlabs.at

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

qtlabs is a Vienna-based Austrian SME that designs quantum key distribution (QKD) hardware, optical ground stations, adaptive optics, simulation software, and consulting services for space-based and terrestrial secure communications, serving ESA, aerospace primes, defense, and critical-infrastructure clients.

Ownership category

akta.pro rank

Product category

Quantum Communication Systems

NAICS

Satellite Telecommunications (51741), Satellite Telecommunications (5174), Computer Systems Design and Related Services (54151)

SIC

Communications Equipment, Nec (3669), Computer Communications Equipment (3576), Optical Instruments & Lenses (3827)

akta.pro primary industry

Quantum Key Distribution (QKD) Systems & Networks (HDAGAFAA)

akta.pro secondary industries

Quantum Satellite Communications (Space-Based QKD & Links) (HDAGAFAH), Quantum Transceivers, Modems & Photonic Interfaces (HDAGAFAE), Quantum Key Distribution (QKD) Systems & Networks (HDAGAGAA), Quantum Security (PQC/QKD) Training & Readiness Services (HDAGALAG)

Keywords

• Quantum key distribution
• Optical ground stations
• Quantum communication hardware
• Free-space quantum links
• Quantum cryptography systems

Headquarters

HQ city

Vienna

HQ country

Austria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Quantum & Optical Hardware Sales: Sale of single quantum communication components (quantum sources, receivers, adaptive optics, OGS) and fully integrated turnkey QKD systems for space and terrestrial deployments.
2. Consulting Services: Quantum-safe transition roadmaps, QKD satellite mission design consulting, quantum security risk analysis, business case studies, numerical QKD security proofs, and ConOps development.
3. Software Solutions: Simulation software, numerical security proof tools, and post-processing software for QKD mission planning and performance optimization.
4. Training & Academy (QURIOS Academy): Online courses and in-person workshops covering quantum technologies, quantum communications, and quantum security. Delivered through qtlabs' QURIOS Academy initiative.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

qtlabs develops and manufactures hardware components (quantum sources, receivers, adaptive optics, optical ground stations, free-space links, and C-band laser communication systems), software tools for QKD mission simulation and numerical security proofs, and consulting services for space-based and terrestrial quantum key distribution (QKD) and optical communication deployments. Offerings range from single components to fully integrated turnkey QKD systems for government, aerospace, and critical infrastructure customers.

Product overview

qtlabs offers an integrated portfolio of quantum and optical communication systems combining hardware building blocks with software solutions and consulting services. The hardware portfolio includes Quantum Sources (EPS/FPS) for photon generation, Quantum Receivers for signal detection, Horizontal Free-Space-Links for terrestrial quantum links, Optical Ground Stations (OGS) for satellite communications, Adaptive Optics (AO) for turbulence mitigation, and Laser Optical Communications (Classic Com) for classical data transmission. These components form an integrated quantum communication ecosystem that can be deployed as turnkey solutions or standalone products. The software layer provides mission planning simulation tools, numerical security proofs, and post-processing optimization. Consulting and training services (via QURIOS Academy) support the hardware and software offerings.

Differentiator

Problem solved

Functional benefit

Brands

• QURIOS Academy: Training and scholarship program for quantum technologies education, offering online courses and in-person workshops.

Products and services

• Quantum Sources (EPS/FPS) Entangled Photon Sources (EPS) supporting BBM92 protocol and Faint-Pulse Sources (FPS) supporting BB84 protocol, designed for space and laboratory quantum communication systems operating at ~800 nm and ~1550 nm wavelengths.
• Quantum Receiver Polarization- and phase-encoding quantum receivers supporting free-space and single-mode fiber coupling configurations, covering wavelengths ~800 nm to ~1550 nm for terrestrial and space-based quantum communication applications.
• Horizontal Free-Space-Links Terrestrial free-space quantum and laser optical communication systems with precision telescopes (20 cm to 40 cm apertures), supporting distances up to 40 km for ground-to-ground quantum key distribution and entanglement-based protocols.
• Optical Ground Stations (OGS) Ground stations for satellite-to-ground optical and quantum communication supporting GEO and LEO orbits with telescope apertures from 40 cm to 100 cm, featuring precision fork mount, ultra-stable pointing accuracy, and optional dome configurations for QKD missions.
• Adaptive Optics (AO) Atmospheric turbulence compensation systems with fast tip-tilt mirrors, wavefront sensors, and deformable mirrors for single-mode fiber coupling, operating across 800 nm to 1550 nm spectral range for quantum and free-space optical communication applications.
• Laser Optical Communications (Classic Com) C-band laser communication systems (centered around 1550 nm) for terrestrial and satellite-based high data throughput and low latency communications, supporting CCSDS and SDA standards with 5W standard Tx output power and Rx/Tx configurations.
• Consulting Services Quantum-safe transition consulting including post-quantum cryptography and QKD migration roadmaps, QKD satellite mission design support, quantum security risk analysis, and numerical QKD security proofs for critical infrastructure protection.
• Software Solutions End-to-end quantum network simulation tools for LEO and GEO QKD missions, numerical security proof toolkits for dynamic quantum state modeling, and post-processing software for secure key rate optimization and link availability prediction.
• QURIOS Academy Training and scholarship programs for quantum technology education including online courses and in-person workshops covering quantum key distribution, quantum communications, and quantum security fundamentals for decision-makers and workforce training.

Quantifiable outcome

• 143 km quantum communication link between La Palma and Tenerife (world record free-space QKD link)
• +3 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

Ten partnerships are on record, tiered major, flagship, supporting and core.

• Quantum Technology Center Vienna (QTCV)majorStrategic or Co-development Partner · 28 May 2026Vienna's centerpiece quantum technology hub spanning 15,600 square meters with specialized laboratories and cleanrooms. Project launch scheduled for 2026 with full completion by 2033, bridging academic research and industrial value creation in quantum technologies. qtlabs is involved in quantum key distribution trials with ÖBB (Austrian Federal Railways) within this ecosystem.
• Redwire CorporationmajorTechnology or Integration · 2 April 2026qtlabs participates in the ESA QKDSat mission as part of a multi-country consortium led by Redwire Corporation, which manufactures the Hammerhead spacecraft with QKD payload and ADPMS-3 avionics suite. The consortium also includes Honeywell Aerospace, Craft Prospect, British Telecom, and partners from Czechia and Switzerland.
• ESA – European Space AgencyflagshipStrategic or Co-development Partnerqtlabs is an active contributor to ESA quantum communication missions including QKDSat (Quantum Key Distribution Satellite) and SAGA. The company has delivered fully-accepted Optical Ground Stations for QKDSat and is developing EAGLE-1-compliant OGS systems. qtlabs' involvement is part of ESA's ARTES Partnership Projects program advancing quantum-secure satellite communications across European member states.
• Honeywell AerospacemajorTechnology or IntegrationPart of the ESA QKDSat multi-country consortium alongside Redwire, qtlabs, Craft Prospect, British Telecom, and partners from Czechia and Switzerland, advancing quantum-secure satellite development.
• Craft ProspectsupportingTechnology or IntegrationPart of the ESA QKDSat multi-country consortium alongside Redwire, qtlabs, Honeywell, British Telecom, and partners from Czechia and Switzerland, advancing quantum-secure satellite development.
• British TelecomsupportingTechnology or IntegrationPart of the ESA QKDSat multi-country consortium alongside Redwire, qtlabs, Honeywell, Craft Prospect, and partners from Czechia and Switzerland, advancing quantum-secure satellite development.
• SSC SpacesupportingTechnology or IntegrationPan-European partner in Austria's Aurora military satellite mission (expected launch 2027), alongside qtlabs, demonstrating space-to-ground laser communications and quantum encryption technologies.
• QSSYScoreStrategic or Co-development PartnerSister company within a strong alliance providing complementary capabilities including fully fledged QKD and Optical Communication Systems for terrestrial and satellite-based free-space applications, as well as fiber-based QKD systems to build complete QKD infrastructures.
• ZerothirdcoreStrategic or Co-development PartnerSister company within the same alliance providing complementary expertise in international business relations, trading, and project management alongside qtlabs and QSSYS.
• ÖBB (Austrian Federal Railways)flagshipStrategic or Co-development Partnerqtlabs conducts quantum key distribution trials between ÖBB and QT Labs as part of Vienna's deep tech quantum ecosystem development, demonstrating real-world quantum applications for transportation infrastructure.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• QuantumCTek: Chinese commercial QKD hardware provider with state-backed funding and an extensive installed base of terrestrial and satellite QKD links, including the Micius satellite downlink. Competes globally in space-based and terrestrial QKD systems.
• ID Quantique: Geneva-based pioneer and global leader in commercial QKD systems, quantum-safe network security, and quantum random number generators. The most established commercial competitor and reference customer for quantum key distribution hardware and software, directly overlapping with qtlabs' QKD focus.
• Mynaric: German-listed specialist in laser communication terminals for space-to-ground and air-to-ground optical links; competes with qtlabs' Classic Com and Optical Ground Station products in the satellite free-space optical communications segment.
• Toshiba Europe (Toshiba Quantum): European arm of Toshiba's quantum cryptography business based in Cambridge (UK), developing QKD systems and field-deployed quantum networks for telecom operators and governments. Comparable product scope and go-to-market targeting banks, governments, and telcos.

Broad incumbents

• Tesat-Spacecom: German subsidiary of Airbus Defence and Space and global market leader in space-to-ground laser communication terminals. Overlaps with qtlabs' free-space optical communications and OGS offering for satellite operators and defense customers.
• Thales Alenia Space: Major European satellite manufacturer and system integrator; both a qtlabs ESA mission partner and a potential competitor in delivering turnkey satellite quantum communication payloads and OGS infrastructure at industrial scale.
• Honeywell Quantum Solutions: Division of Honeywell developing quantum networking hardware including QKD over deployed optical fiber; also a current ESA QKDSat consortium partner alongside qtlabs. Larger incumbent with broader R&D resources targeting similar space and enterprise segments.

Emerging players

• ThinkQuantum: Italian QKD hardware and systems company providing free-space and fiber-based quantum key distribution solutions, working with ESA and European primes. Closely comparable European SME competing for similar ESA and sovereign-network contracts.
• QuintessenceLabs: Australian quantum cybersecurity company offering quantum random number generators and a quantum key distribution platform, focused on government and enterprise customers. Comparable product-market overlap in quantum-safe security and QRNG.
• LuxQuanta: Spanish European QKD startup spun out of ICFO, developing continuous-variable QKD systems integrated into telecom operator networks. Direct emerging competitor in the European QKD ecosystem and a candidate collaboration or acquisition target.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/quantumtechnologylaboratoriesgmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about qtlabs - Quantum Technology Laboratories GmbH