OQC
Quantum Science & Computing · Quantum Computing Hardware
25open roles
$330.2Mlatest round · Venture round · Jun 2026 · 5 mo ago
4backers · Firgun Ventures, Oxford Science Enterprises
Atruth index, 92 of 100
Overview
OQC, or Oxford Quantum Circuits, is a quantum computing company headquartered at Thames Valley Science Park near Reading that builds superconducting quantum computers based on its patented Coaxmon architecture and dual-rail Dimon qubit, offered as a cloud service and deployed in commercial data centres. Founded in 2017 by Peter Leek from his University of Oxford research group, it has delivered three generations of systems, has sites in London, Tokyo, New York and Spain, and closed a Series C round of about 260 million pounds. It hires quantum, hardware, FPGA and embedded software engineers, algorithm researchers, cleanroom and nanofabrication technicians and finance and operations staff.
How OQC hires
Truth index
A 92/100
Median time to fill
28 days
Ghost roles
0%
Stale roles
33%
Reposted roles
0%
OQC scores A on the Alion truth index (A is best, E worst), measured over 12 open roles re-checked against its own hiring board: 0% look like ghost listings, 33% have gone stale and 0% are the same role posted again. Its roles close in a median of 28 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Funding and backers
Total raised
$330.2M
1 round on record
Latest round
$330.2M
Venture round · Jun 2026 · 5 mo ago
Team
201-500
employees, estimated range
Hiring now
28
+8 posted in 30 days
Backers
4
Firgun Ventures, Oxford Science Enterprises
The money's age
Fresh money
5 months since the last round · and hiring
Momentum
46/100
hiring for its size, in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 24
New executive OQC appoints Simon Phillips as Chief Product Officer as company accelerates enterprise-ready quantum products · oqc.tech
Jun 2
Raised a round Venture round $330.2M
2017
Founded
Tractionpublic signals, read monthly
Web presence
top 0.12%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Jun 2026 | $330.2M | — | oqc.tech |
Backed byfrom the funds' portfolios and accelerator catalogs
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Growth
Hiring Momentum
26/100
Slowing
Open positions
28
0 opened / 0 closed in 30 days
Median time-to-fill
31 days
faster than 43% of the market
ATS activity
Every ~5 hours
Today
Hiring Dynamics
-100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
12% ▲
Hardware
12%
Industrial Engineering
10% ▼
Quantum
8% ▼
Product
6% ▼
HR
6% ▼
Activity Timeline
+6 jobs in a week
Oct 2026
New location: Singapore
Oct 2026
New location: New York
Oct 2026
Added Scrum to stack
Sep 2026
Added Kubeflow to stack
Sep 2026
Added Delta Lake to stack
Sep 2026
Added Databricks to stack
Sep 2026
Added SOC 2 to stack
Sep 2026
Added Microsoft Entra ID to stack
Sep 2026
Added Synthetic Data to stack
Sep 2026
Added TensorFlow to stack
Sep 2026
Added scikit-image to stack
Sep 2026
Financials
Total raised
$330.2M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2026 | $330.2M | Details |
Tech stack
Technologies named in job postings at OQC over the last 12 months, by layer, with the share of postings for each.
Technologies in use
73
Postings analysed
41
Stack modernity
68/100
Languages
Python66%
C++10%
VHDL10%
Verilog10%
Frameworks & libraries
NumPy10%
Pandas7%
SciPy7%
OpenCV2%
Databases
Delta Lake2%
PostgreSQL2%
Cloud & platforms
Linux17%
Kubernetes12%
Windows10%
Azure10%
Sign in to see how your skills match this stack
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Full OQC tech stack
73 technologies · by team · pay by technology · changes · similar stacks
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Firgun VenturesVia a fund
Oxford Science EnterprisesVia a fund
UTECVia a fund
Parkwalk AdvisorsVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
OQC appoints Simon Phillips as Chief Product Officer as company accelerates enterprise-ready quantum products
PRESS RELEASE OQC appoints Simon Phillips as Chief Product Officer as company accelerates enterprise-ready quantum products Former CTO to lead product strategy and commercialisation as OQC scales its Quantum-AI Data Centre platform for enterprise and gove
Read more
Report
Exploring Quantum-AI for Financial Modelling: OQC, Citi and NQCC Collaborate on Derivative Pricing Innovation
CASE STUDY Exploring Quantum-AI for Financial Modelling: OQC, Citi and NQCC Collaborate on Derivative Pricing Innovation OQC collaborated with Citi and the NQCC through the SparQ programme to investigate whether combining quantum computing with AI could i
Read more
Report
Quantum Finance Beyond the Benchmark: What We Learned from Pricing, Risk and Hybrid Quantum Methods
CASE STUDY Quantum Finance Beyond the Benchmark: What We Learned from Pricing, Risk and Hybrid Quantum Methods OQC and Trust Base, a digital subsidiary of Sumitomo Mitsui Trust Group, partnered together to explore quantum-relevant methods for Value-at-Ris
Read more
Report
Gerald Mullally Discusses Quantum Market Momentum with Mergermarket
NEWS Gerald Mullally Discusses Quantum Market Momentum with Mergermarket In a recent interview with Mergermarket, OQC CEO Gerald Mullally explored the growing momentum behind quantum computing companies as the sector continues to mature. SHARE ARTICLE Ger
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Report
The Rise of Superconducting Erasure Qubits - an Industry Perspective
TECHNICAL BLOG The Rise of Superconducting Erasure Qubits - an Industry Perspective Building a commercially useful quantum computer requires more than increasing qubit numbers. The real challenge is reducing errors to the point where quantum processors ca
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Making Quantum Errors Visible: A New Approach to Reliable Quantum Computing
TECHNICAL BLOG Making Quantum Errors Visible: A New Approach to Reliable Quantum Computing New research from OQC helps make errors visible: OQC's approach turns normally "silent" errors into detectable events (erasures), allowing faulty runs to be identif
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OQC CEO Gerald Mullally interviews on NYSE Live
YOU MAY ALSO BE INTERESTED IN The latest from the Newsroom VIEW ALL AllPress ReleaseNewsPodcast OQC appoints Simon Phillips as Chief Product Officer as company accelerates enterprise-ready quantum productsPress ReleaseOQC appoints Simon Phillips as Chief
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OQC, JPMorganChase and AMD commence research collaboration to develop new quantum-AI platform in London
PRESS RELEASE OQC, JPMorganChase and AMD commence research collaboration to develop new quantum-AI platform in London Research integrates OQC GENESIS with AI and high-performance classical computing with JPMorganChase's industry-leading quantum and AI R&D
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Gerald Mullally on CNBC Following OQC's £260M Oversubscribed Series C Raise
OQC CEO, Gerald Mullally, discusses the company's $350 million funding round, the basics of quantum computing, and the future of the industry.
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Show more news
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
3
Countries
2
Busiest office
Reading
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
Reading
United Kingdom
HQ
20 open roles 32 posted in 90 days 70% engineering 200-500 est. staff
hires for Hardware, Quantum, Backend
Barcelona
Spain
Engineering / R&D
4 open roles 5 posted in 90 days 50% engineering 10-50 est. staff
hires for Backend, Leadership, Operations
London
United Kingdom
Engineering / R&D
3 open roles 10 posted in 90 days 100% engineering 50-200 est. staff
hires for Quantum, DevOps
Earlier presence
New York, United States
Singapore, Singapore