Lakestar
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Investment Portfolio
Mindgard secures £22m Series A led by Album VC to test and defend AI systems against adversarial attack
Mindgard is an AI security company whose platform assesses and protects AI models, agents, and applications against adversarial attack. Underpinned by the AI security lab at Lancaster University, the platform gives enterprise security teams offensive and defensive capabilities for AI systems running in production.
Cambridge Aerospace lands £222m Series C led by DFJ Growth for low-cost drone interceptor missiles
Cambridge Aerospace designs and manufactures low-cost interceptor missiles and supporting air defence hardware, including the Skyhammer interceptor, the Looking Glass radar system and the Nightstar solid rocket motor. Its systems are built for armed forces that need an affordable way to counter one-way attack drones such as Iranian Shahed-style systems.
Agon emerges from stealth with a £22m seed round from VCs to build synthetic battlefields that train AI defence systems
Agon builds synthetic battlefield infrastructure where AI defence systems are designed, trained and refined before they are deployed. Simulated combat environments allow defence companies, AI developers and governments to rehearse scenarios such as countering drone swarms.
Antidote lands a £3.5m seed round led by Lakestar to automate billing compliance for global law firms
Antidote provides automated billing compliance software for law firms, checking time entries against client guidelines before invoices are sent to reduce write-offs and disputes.
Matta secures £11m seed round led by Lakestar to build industrial AI for smarter "sentient" factories
Matta builds industrial AI systems that monitor factory production lines in real time, detecting defects, tracing root causes and helping manufacturers improve quality, productivity and resilience.
Monq launches from stealth with £2.3m pre-seed funding led by Outward VC for its contract negotiation platform
Monq develops an AI-driven negotiation platform for enterprise procurement teams, analysing contract history, supplier behaviour and deal dynamics to support faster, data-led negotiations while keeping humans in control.
Fyxer AI raises £22m Series B led by Madrona to scale AI-powered executive assistant for professionals
Fyxer AI builds an AI-powered executive assistant that handles email, meetings and scheduling, helping everyday professionals reduce administrative workload and focus on higher-value tasks.
Vertice raises £40m Series C led by Lakestar to simplify procurement through its spend optimisation platform
Vertice provides a procurement and spend optimisation platform that unifies workflows, data and insights to reduce purchasing cycles and lower SaaS and cloud costs.
Mindgard raises £6.4m led by .406 Ventures to safeguard AI with industry-first AI security solution
Mindgard builds security testing tools specifically for AI systems, identifying runtime vulnerabilities such as prompt injection and jailbreaks that traditional software security cannot detect.
More venture news
- 15 Sept 2026
Jack & JillJack & Jill unlocks £30m Series A led by Air Street Capital to run dual-agents on both sides of hiring market
Series AHR - 26 Aug 2026
Certain EnergyCertain Energy raises a £10m Series A led by British Business Bank for long-duration battery storage on the clean energy grid
Series AEnergy - 12 Aug 2026
MindgardMindgard secures £22m Series A led by Album VC to test and defend AI systems against adversarial attack
Series ACybersecurity
