# C5 Capital Limited

C5 Capital Limited is a Venture Capital Firm based in London, United Kingdom.

## Overview

- **Organization type:** Venture Capital Firm
- **Headquarters:** London, United Kingdom
- **Region:** Europe
- **Address:** London, United Kingdom
- **Founded:** 2016
- **Assets under management:** Undisclosed
- **Website:** c5capital.com

## Regulatory record

- **CRD number:** 297542
- **SEC file number:** 802-113879
- **Registration status:** Registered
- **Reports private funds:** Yes
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/297542

## About

C5 Capital is an investment firm dedicated to nurturing a secure digital future. The firm has built a team of dedicated investment professionals with significant transaction experience in its sectors. Its team is supported by a network of Operating Partners from government and private sectors who assist portfolio companies as they scale and expand into new geographies.

## Sectors

- Cybersecurity
- AI/ML
- SpaceTech
- Enterprise Software

## Offices

- Washington, D.C., United States

## People

- Andre Pienaar — Founder and Managing Partner
- Jonathan C. M. Tan — Partner

## Questions

### Who runs investment decisions at C5 Capital?

Andre Pienaar is the founder and managing partner, and leads investment decisions. Jonathan C. M. Tan serves as a partner. The firm maintains a small team with partners from defense and intelligence backgrounds.

### What sectors does C5 Capital focus on?

C5 invests exclusively in three verticals: cybersecurity, artificial intelligence/machine learning, and space technologies. It views these as interconnected domains and backs companies that often serve government and defense clients.

### Does C5 Capital invest in early or late-stage companies?

The firm invests primarily at the early stage, including Series A and B rounds. Its portfolio includes companies like Cybereason and Spire Global, which were backed during their growth phases.

### How does C5 Capital source proprietary deal flow?

C5 Capital sources deals through relationships with government agencies, defense contractors, and system integrators, particularly in NATO-aligned markets. Its partner network includes former intelligence and cybersecurity professionals.

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Last updated: 2026-07-10T21:05:36.000Z

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