Quantum Computing Startups

OQC designs and manufactures quantum computers engineered for commercial applications, beginning with systems optimized for financial services and security sectors. The company develops Application Optimised Compute systems through a multi-generation product roadmap targeting quantum advantage in finance, defence, life sciences, and cryptography.

1 investor

Parkway VC is a venture capital firm that invests in early and mid-stage companies across technology, sustainable energy, and disruptive innovations, with a focus on scaling high-growth ventures. The firm's team brings deep entrepreneurial and operational expertise, with partners holding experience from major financial institutions and successful exits across multiple sectors.

1 investor

Perimeter Institute for Theoretical Physics is an independent research institute devoted to foundational theoretical physics research at the international level. The institute conducts research, provides graduate training, and operates educational outreach programs for the public in Canada and beyond.

1 investor

Phaseshift develops meta-optical systems, using metasurface research to build integrated photonics and advanced optical components for next-generation optical systems. The company draws on expertise in quantum optics, nanophotonics, and optical engineering, with operations in India.

1 investor

Phoenix Ventures Partners is a venture capital and private equity firm that invests in deep technology companies across quantum computing, photonics, advanced materials, biotech, and cleantech sectors. The portfolio includes companies developing next-generation technologies in semiconductors, energy storage, life sciences diagnostics, and industrial applications.

1 investor

Photon Force designs and manufactures single-photon sensitive cameras and sensors for research and scientific applications in photonics and quantum optics. The company's technology can timestamp up to half a billion individual photons per second and provides customized solutions including firmware for hardware-accelerated data processing.

1 investor

A South Korean materials company that develops and manufactures specialty chemicals and materials for OLED displays, including electron injection materials, common layer materials, and hole transport layers.

1 investor

Plurilock is a sovereign Canadian cybersecurity company providing services and products focused on AI security, quantum readiness, offensive security, cloud security, and data protection for enterprises and government. Its offerings include AI governance assessments, AI red teaming, deepfake and social engineering testing, post-quantum readiness, and compliance services aimed at CISOs and CIOs.

1 investor

Qambria combines expertise in quantum computing, high-performance computing, and AI to address key challenges in quantum technology development.

1 investor

QANplatform is a Layer 1 blockchain platform that lets developers and enterprises build quantum-resistant smart contracts and Web3 applications in any programming language. It offers Ethereum/EVM compatibility, cloud deployment integrations, and quantum-resistant cryptography for both public and private blockchain use.

1 investor

QC Ware operates a quantum computing business organized into three units — Quantum Services, the Q2B conference, and Promethium — serving enterprise and research customers exploring quantum applications. Its work spans quantum services, advisory on quantum hardware, and applications such as drug discovery.

1 investor

QDC develops physics-inspired machine learning algorithms and hybrid quantum-classical computing solutions to tackle complex optimization problems. The company targets enterprises seeking access to quantum computing capabilities in a hybrid infrastructure model alongside classical systems.

1 investor

Quantum Exponential is an investment firm that evaluates and manages a portfolio of companies, with a focus on quantum computing and related technologies. The company provides capital allocation, due diligence, and post-investment support to its portfolio companies.

1 investor

QEYnet is developing satellite-based quantum key distribution (QKD) using small, low-cost spacecraft and free-space optical technology to enable secure quantum communications. Founded by aerospace engineers and quantum communication researchers, the company aims to bring first-to-market satellite QKD for global quantum networking.

1 investor

Qilimanjaro develops quantum computing systems based on fluxonium chip design, serving research institutions and enterprises seeking to integrate quantum processing with classical supercomputing infrastructure. The company was spun off from Spanish academic institutions and builds both analog and digital quantum computers deployed across Europe.

1 investor

QIZ provides a platform for managing cryptographic assets and preparing organizations for the transition to post-quantum cryptography. The company serves security leaders and enterprises navigating compliance and security challenges in cryptographic management.

1 investor

QMatter builds compression algorithms that use a quantum latent space to reduce industrial-scale problems so they run efficiently on quantum and conventional hardware. Its platform serves quantum hardware providers and industrial clients seeking high-performance computing solutions.

1 investor

Qodex Quantum offers tools aimed at helping enterprise quantum teams find and validate quantum computing methods that work on real hardware, positioning itself around amplifying existing teams rather than hiring. Its focus is on identifying viable quantum methods ahead of expected fault-tolerant hardware.

1 investor

QPerfect develops quantum emulation software and fault-tolerant quantum control tools (MIMIQ and QLU) that bridge the gap between current quantum simulators and real quantum computers. The company serves researchers and organizations deploying quantum computing systems across industries.

1 investor

QPICs operates a photonic integrated circuit (PIC) fabrication facility serving the quantum computing industry. The company provides custom design capabilities and rapid prototyping to quantum companies seeking to reduce size, weight, and power in their photonic systems.

1 investor

Quantasensingtec develops low-noise RF amplifiers designed to detect and strengthen weak signals while minimizing added noise. Its technology targets applications in quantum systems, astronomy, and aerospace, including communication, navigation, and sensing.

1 investor

Quantum, built by MultiVM Labs, develops post-quantum blockchain infrastructure including a post-quantum-by-default Layer 1 chain, a multichain PQ smart wallet layer for existing EVM chains, and a bridge (Entanglement) that enforces post-quantum authorization. It targets crypto users and the broader EVM ecosystem seeking protection against quantum-computer attacks on classical signatures.

1 investor

RhymeQ offers RHYME, a tool that lets software developers build quantum applications in Python using their existing IDE and AI assistant, without requiring gate-level physics knowledge. It targets software developers working in quantum computing.

1 investor

Quantum Lock develops a quantum-based remote attestation device that uses entangled photons to physically prove that a remote device's memory has not been tampered with, aimed at operators of critical infrastructure such as satellites, drones, data centres, defence and insurance. The company positions its entanglement-based authentication as a new layer in the cybersecurity stack, built from commercially available photonics components.

1 investor