CyLon Ventures Overview

CyLon Ventures is a UK-based investment firm specializing in early-stage investments in security and resilience technologies. Founded in 2015 by Grace Cassy, Jonathan Luff, and Alex van Someren, the firm leverages its deep expertise in national security and technology to support innovative startups. CyLon has been the first investor in notable companies like Immersive Labs and Tessian, focusing on helping portfolio companies reach early customers, meet other investors, and build strategic relationships. Unlike traditional VC funds, CyLon invests its own capital, allowing for a uniquely founder-aligned approach.

Is CyLon Ventures the right investor for your startup? Browse their investment focus, stage preferences, and geographic scope to see how well they align with your fundraising goals. Your full match score with CyLon Ventures, along with a list of other relevant VCs, is available on Hopohopo.io.

CyLon Ventures

VC Fund

Investment focus

Invest in

  • Western Europe 1 / 14
  • North America 1 / 5
  • Middle East 1 / 16

Product type

  • Software
  • Services

Industries / verticals

  • Cybersecurity / Identity

Stages

Pre-seed, Seed

First ticket size

£25,000 - £100,000

How to approach funds like CyLon Ventures

When reaching out to CyLon Ventures, founders should highlight how their solution addresses critical security or resilience challenges with a clear path to early market traction. Emphasize your team's domain expertise and ability to navigate complex regulatory or enterprise environments, as CyLon values founders who can credibly engage with both commercial and government stakeholders. Demonstrate a readiness to leverage CyLon’s network for strategic introductions and early customer validation, showing you understand the value of their hands-on, relationship-driven support.

Find the best-fitting investors for your startup

Stop wasting weeks searching for the right investors. Upload your deck and get matched with investors who actually fit your startup — so you can focus on building, not chasing.

Find your investor matches
Investor funnel board

Check the next investor profile