Arqit Quantum Inc · Q1 2026 earnings

Briefing

Arqit revenue rises to $623K in H1 FY2026 as quantum-safe contract wins expand across telecom and defense

Arqit Quantum reported revenue of $623,000 for the six months ended March 31, 2026, up sharply from $67,000 in the comparable prior-year period and above the second half of fiscal 2025 at $463,000. Revenue came from eleven contracts spanning telecom operators and government, defense, and enterprise customers. The company posted a net loss of $33.0 million and diluted loss per share of $1.99, while maintaining operating cost discipline at roughly $2.6 million per month excluding legal expenses. Cash and cash equivalents were $28.9 million at period end, rising to $35.9 million by May 20. Management highlighted the commercial launch of Encryption Intelligence and partnerships with Intel, 6WIND, and RAD.

• H1 FY2026 revenue was $623K from eleven contracts, versus $67K in the prior-year comparable period
• Net loss for the period was $33.0M; basic and diluted loss per share was $1.99
• Operating costs averaged $2.6M per month excluding external legal expenses
• Cash and cash equivalents were $28.9M at March 31, 2026, and $35.9M as of May 20, 2026
• Commercial launch of Encryption Intelligence and Intel TDX integration expanded Arqit's post-quantum migration offering

Headline financials

Revenue & EPS history

Management expects additional revenue contracts in H2 FY2026 from Encryption Intelligence and post-quantum security solutions, with focus on defense conversions and confidential computing markets.