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- Arqit Quantum
Arqit Quantum Valuation Multiples
Arqit Quantum is valued at $322M as of October 2026. In the last 12 months, Arqit Quantum revenue was $530K and Arqit Quantum EBITDA was ($39M).
Arqit Quantum Overview
About Arqit Quantum
Arqit Quantum Inc is a cybersecurity company that has pioneered a symmetric key agreement technology that makes the communications links of any networked device or data at rest secure against current and future forms of cyber attack - even an attack from a quantum computer. The company delivers its symmetric key agreement technology via its product SKA-Platform. The firm operates in one segment, that is, the provision of cybersecurity services. The company operates and generates its revenue from UK.
Founded
2017
HQ
Employees
91
Website
Financials (LTM)
EV
$295M
Valuation Multiples
Start free trialArqit Quantum Financials
Arqit Quantum reported last 12-month revenue of $530K and negative EBITDA of ($39M).
In the same LTM period, Arqit Quantum generated $530K in gross profit, ($39M) in EBITDA losses, and had net loss of ($35M).
Revenue (LTM)
Arqit Quantum P&L
In the most recent fiscal year, Arqit Quantum reported revenue of $530K and EBITDA of ($38M).
Arqit Quantum is unprofitable as of last fiscal year, with gross margin of 100%, EBITDA margin of (7177%), and net margin of (6668%).
Financial data powered by Morningstar, Inc.
Arqit Quantum Stock Performance
Arqit Quantum has current market cap of $322M, and enterprise value of $295M.
Market Cap Evolution
Arqit Quantum's stock price is $18.50.
Arqit Quantum share price decreased by 23.4% in the last 30 days, and by 57.6% in the last year.
Arqit Quantum has an EPS (earnings per share) of $-2.03.
| EV | Market Cap | Price 1D | Price 1M | Price 3M | Price 12M | EPS |
|---|---|---|---|---|---|---|
| $295M | $322M | 2.6% | -23.4% | 8.0% | -57.6% | $-2.03 |
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Start Free TrialArqit Quantum Valuation Multiples
Arqit Quantum trades at 557.1x EV/Revenue multiple, and (7.7x) EV/EBITDA.
EV / Revenue (LTM)
Arqit Quantum Financial Valuation Multiples
As of October 29, 2026, Arqit Quantum has market cap of $322M and EV of $295M.
Arqit Quantum has a P/E ratio of (9.1x).
Multiples above and below 250x are considered non-meaningful (n/m). Valuation data powered by FactSet, Inc. and Morningstar, Inc.
Verified Arqit Quantum Valuation Multiples
Access all public comps and forward-looking valuation multiples like EV/Revenue in 2027, based on consensus analyst estimates. Powered by FactSet and Morningstar.


Arqit Quantum Margins & Growth Rates
Arqit Quantum grew revenue by 372% but EBITDA decreased by 34% in the last fiscal year.
In the most recent fiscal year, Arqit Quantum reported gross margin of 100%, EBITDA margin of (7177%), and net margin of (6668%).
Arqit Quantum Margins
Arqit Quantum Growth Rates
Data powered by FactSet, Inc. and Morningstar, Inc.
Arqit Quantum Operational KPIs
Arqit Quantum's revenue per employee in the last FY averaged $0.0M, while opex per employee averaged $0.4M for the same period.
Arqit Quantum's Rule of 40 is (347%) (metric relevant for SaaS companies only, counted as combined revenue growth rate and EBITDA margin).
Arqit Quantum's Rule of X is 64% (created by Bessemer, Rule of X is another metric to measure SaaS companies, ~1.5x stronger vs. the traditional Rule of 40, counted as revenue growth rate multiplied by 2.5 plus EBITDA margin).
Data powered by FactSet, Inc. and Morningstar, Inc.
Arqit Quantum Competitors
Arqit Quantum competitors include BTQ Technologies, eMudhra, WebRAY Tech Group, NCC Group, Itsec Asia, Axgate, Cy4gate, F-Secure, Mia Teknoloji and FFRI Security.
Most Arqit Quantum public comparables operate across Cybersecurity, B2B SaaS and Horizontal SaaS.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $225K | ($18M) | 1445.6x | 859.7x | (18.3x) | - | |||
| $74M | $18M | 3.9x | 3.5x | 16.3x | 14.4x | |||
| $46M | ($5M) | 6.9x | - | (59.5x) | - | |||
| $318M | $11M | 1.3x | 1.2x | 39.3x | 10.1x | |||
| $29M | $6M | 9.9x | 7.6x | 47.3x | 26.8x | |||
| $36M | $4M | 10.0x | 11.5x | 94.6x | - | |||
| $106M | $18M | 2.7x | 2.2x | 15.6x | 10.6x | |||
| $163M | $57M | 2.6x | 2.4x | 7.3x | 7.7x | |||
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Investments by Arqit Quantum
Arqit Quantum has invested in 1 company to date.
Latest investment by Arqit Quantum was on October 20th 2026. Arqit Quantum invested in Sirius computer in their Strategic investment round.
Latest Investments by Arqit Quantum
| Description | Sirius Computer is a secure computing and networking company serving defense, intelligence and critical national infrastructure customers. Its CRUX product provides post-quantum-safe zero trust network access, with secure provisioning, continuous authentication and built-in symmetric key rotation. The business operates through entities in the United States, Germany and the United Kingdom, and holds government contractor identifiers in each. Founded in 2024, the company sells security technology to government and infrastructure operators. |
| HQ Country | |
| HQ City | - |
| Deal Date | 20 Oct 2026 |
| Round | Strategic investment |
| Raised | undisclosed |
| Investors | Arqit Quantum |
| Valuation | undisclosed |
| EV/Revenue | |
| EV/EBITDA | |
This data is available for Pro users. Sign up to see all Arqit Quantum investments and their VC round multiples. Start Free Trial | |
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Start Free TrialAbout Arqit Quantum
| When was Arqit Quantum founded? | Arqit Quantum was founded in 2017. |
| Where is Arqit Quantum headquartered? | Arqit Quantum is headquartered in United Kingdom. |
| How many employees does Arqit Quantum have? | As of today, Arqit Quantum has over 91 employees. |
| Who is the CEO of Arqit Quantum? | Arqit Quantum's CEO is Andrew J. Leaver. |
| Is Arqit Quantum publicly listed? | Yes, Arqit Quantum is a public company listed on Nasdaq. |
| What is the stock symbol of Arqit Quantum? | Arqit Quantum trades under ARQQ ticker. |
| When did Arqit Quantum go public? | Arqit Quantum went public in 2021. |
| Who are competitors of Arqit Quantum? | Arqit Quantum main competitors include BTQ Technologies, eMudhra, WebRAY Tech Group, NCC Group, Itsec Asia, Axgate, Cy4gate, F-Secure, Mia Teknoloji, FFRI Security. |
| What is the current market cap of Arqit Quantum? | Arqit Quantum's current market cap is $322M. |
| What is the current revenue of Arqit Quantum? | Arqit Quantum's last 12 months revenue is $530K. |
| What is the current revenue growth of Arqit Quantum? | Arqit Quantum revenue growth (NTM/LTM) is 857%. |
| What is the current EV/Revenue multiple of Arqit Quantum? | Current revenue multiple of Arqit Quantum is 557.1x. |
| Is Arqit Quantum profitable? | No, Arqit Quantum is not profitable. |
| What is the current EBITDA of Arqit Quantum? | Arqit Quantum has negative EBITDA and is not profitable. |
| What is Arqit Quantum's EBITDA margin? | Arqit Quantum's last 12 months EBITDA margin is (7272%). |
| What is the current EV/EBITDA multiple of Arqit Quantum? | Current EBITDA multiple of Arqit Quantum is (7.7x). |
| How many companies Arqit Quantum has acquired to date? | Arqit Quantum hasn't acquired any companies yet (or none have been disclosed publicly). |
| In how many companies Arqit Quantum has invested to date? | As of October 2026, Arqit Quantum has invested in 1 company. |
| What was the last Arqit Quantum investment? | On 20th October 2026 Arqit Quantum invested in Sirius computer, participating in a Strategic investment round. |
| In what companies Arqit Quantum invested in? | Arqit Quantum invested in Sirius computer. |
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