Venture CapitalRIA · CRD 297542SEC-RegisteredPrivate Fund Adviser

Updated:

C5 Capital Limited

C5 Capital is an investment firm dedicated to nurturing a secure digital future. The firm has built a team of dedicated investment professionals with...

C5 Capital Limited

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.

General information

Firm type

Venture Capital Firm

Year founded

2016

Location

Region

Europe

Country

United Kingdom

City

London

Corporate office

London, United Kingdom

Additional offices

Washington, D.C., United States

Principals

Andre Pienaar

Founder and Managing Partner

Jonathan C. M. Tan

Partner

Sector focus

CybersecurityAI/MLSpaceTechEnterprise Software

Frequently asked 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.

Is C5 Capital structured as a fund or as a family office?

C5 Capital operates as a venture capital firm with a dedicated fund structure. It is not a family office; it raises capital from institutional investors and family offices.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on venture capital firms?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

Browse by category

More London Venture Capital Firm profiles