Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Latest round
Venture round
Mar 2018 · 8 yr ago
Team
51-200
employees, estimated range
Hiring now
7
+6 posted in 30 days
Grants
$5.1M
9 grants · CORDIS
Backers
2
Evolution Equity Partners, Notioncapital
The money's age
Long since its last round
103 months since the last round · and hiring
Momentum
59/100
hiring for its size, a new city, in the news
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
Oct 1, 2022 Won a grant $67k · CORDIS Jul 1, 2022 Won a grant $127k · CORDIS Mar 1, 2022 Won a grant $1.3M · CORDIS Jan 1, 2022 Won a grant $111k · CORDIS Dec 1, 2021 Won a grant $46k · CORDIS Sep 1, 2020 Won a grant $253k · CORDIS Jul 1, 2020 Won a grant $357k · CORDIS Jul 1, 2020 Won a grant $1.5M · CORDIS Nov 1, 2018 Won a grant $1.4M · CORDIS Mar 20, 2018 Raised a round Venture round 2017 Founded
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Grant Oct 2022 $67k — CORDIS
Grant Jul 2022 $127k — CORDIS
Grant Mar 2022 $1.3M — CORDIS
Grant Jan 2022 $111k — CORDIS
Grant Dec 2021 $46k — CORDIS
Grant Sep 2020 $253k — CORDIS
Grant Jul 2020 $1.5M — CORDIS
Grant Jul 2020 $357k — CORDIS
Grant Nov 2018 $1.4M — CORDIS
Venture round Mar 2018 — — find-and-update.company-information.service.gov.uk
Registers and programsofficial lists and records that name the company
Legal entity Arqit Limited its site
Backed byfrom the funds' portfolios and accelerator catalogs
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Visa sponsorship

  • United Kingdom · Licensed UK visa sponsor (Skilled Worker)

Visa details by country

Overview

Arqit is a London cybersecurity company founded in 2017 that supplies symmetric key agreement software designed to resist quantum attack. Its product distributes rotating encryption keys to endpoints and cloud services without relying on the public key mathematics that quantum computers threaten. The company works with defence, telecommunications and financial customers preparing for post-quantum migration.

News

Press release The Globe and Mail 1 month ago
Arqit Quantum Shareholders Approve All Proposals at 2026 AGM
Detailed price information for Arqit Quantum Inc (ARQQ-Q) from The Globe and Mail including charting and trades.
Read more
Report
News Nasdaq 1 year ago
Arqit Quantum Partners With Oracle Defense Ecosystem
(RTTNews) - Arqit Quantum Inc. (ARQQ), announced its selection as a member of the newly launched Oracle Defense Ecosystem, a global initiative to modernize defense technology and tackle emerging cyber threats.
Read more
Report

Tech stack

Technologies named in job postings at Arqit over the last 12 months, by layer, with the share of postings for each.
Technologies in use
22
Postings analysed
8
Stack modernity
80/100AI adopter
Languages
Python
C++
Java
Kotlin
Cloud & platforms
Linux
AWS
Azure
OpenAI
AI & ML
Claude
Sign in to see how your skills match this stack Sign In
Full Arqit tech stack 22 technologies · by team · pay by technology · changes · similar stacks

Growth

Hiring Momentum
89/100
Scaling fast
Open positions
6
5 opened / 1 closed in 30 days
Median time-to-fill
47 days
faster than 29% of the market
ATS activity
Every ~4 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
20% ▲
Finance
20% ▼
Sales
20% ▼
Support
10% ▲
Management
10% ▲
Quantum
10% ▲
Activity Timeline
Added Rust to stack Oct 2026
Added VPN to stack Oct 2026
Added Java to stack Oct 2026
Added Docker to stack Oct 2026
Added Azure to stack Oct 2026
Added AWS to stack Oct 2026
New location: Arlington Oct 2026
New location: Arlington Sep 2026
Added Windows to stack Sep 2026
Added Wi-Fi to stack Sep 2026
Added TCP/IP to stack Sep 2026
Added Service Desk to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
5
Hiring now
4
Countries
2
Busiest office
London
Loading the map
Headquarters Builds here Office with open vacancies Tap a pin for the office
London United Kingdom
HQ
London Office
1 open roles 2 posted in 90 days 10-50 est. staff
hires for Solutions
1st Floor, 3 Orchard Place, London, United Kingdom, SW1H 0BF
seen since Sep 2026 company site, careers board, job postings
Belfast United Kingdom
Engineering / R&D
Belfast
3 open roles 6 posted in 90 days 67% engineering 50-200 est. staff
hires for Backend, Management
seen since Jul 2026 job postings
Washington United States
Sales office
US Office
2 open roles 2 posted in 90 days 10-50 est. staff $225k Avg Salary
hires for Sales
seen since Jul 2026 job postings
Arlington United States
2 open roles 2 posted in 90 days 10-50 est. staff $225k Avg Salary
hires for Sales
seen since Jul 2026
Arlington United States
Regional office
US Office
careers board

Jobs

≈ $72k – $141k per year (Estimated) • In office • Belfast
Python
Java
Rust
Kotlin
C++
Linux
Management
Agile
Apply
≈ $60k – $149k per year (Estimated) • In office • Belfast
Python
Java
Rust
Kotlin
C++
Linux
Management
Agile
Apply
≈ $93k – $164k per year (Estimated) • In office • London
Python
Java
C++
Azure
AWS
Docker
Linux
VPN
Cybersecurity
Zero Trust
PKI
Apply

Financials

Total raised
$5.1M
Latest round
Grant
Funding rounds
10
Funding rounds
Round Announced Amount
Grant 2022 $67k Details
Grant 2022 $127k Details
Grant 2022 $1.3M Details
Grant 2022 $111k Details
Grant 2021 $46k Details
Grant 2020 $253k Details
Grant 2020 $1.5M Details
Grant 2020 $357k Details
Grant 2018 $1.4M Details
Venture - Series Unknown 2018 — Details