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Air Street Capital

Europe, England, United Kingdom, London

Description

Air Street Capital is a London-based venture capital firm with a distinct focus on investing in AI-first technology companies across Europe and North America. Founded by Nathan Benaich, the firm has established itself as a prominent early-stage investor in the rapidly evolving artificial intelligence landscape. Their investment thesis is built on the conviction that AI will serve as a foundational layer across various industries, driving significant innovation and disruption.

The firm primarily targets Seed and Series A stage companies, often taking a lead or co-lead position in funding rounds. Air Street Capital typically deploys initial checks ranging from $1 million to $5 million, with the capacity to invest up to $10 million over the lifetime of a portfolio company. This strategic approach allows them to provide substantial early capital while also supporting companies through subsequent growth phases. Their investment criteria emphasize strong technical teams, proprietary AI technology, and a clear path to commercialization.

Beyond capital deployment, Air Street Capital distinguishes itself through its deep domain expertise and commitment to thought leadership within the AI ecosystem. A notable example is their widely recognized annual "State of AI Report," which provides comprehensive analysis and insights into global AI trends, research, and industry developments. This initiative not only positions them as experts but also helps them identify and attract promising AI ventures. In March 2023, the firm announced the close of its second fund, a substantial $100 million vehicle, significantly expanding its capacity to back the next generation of AI innovators.

Air Street Capital's focused strategy and active engagement with the AI community underscore its ambition to be a leading partner for entrepreneurs building transformative AI businesses. Their hands-on approach and specialized knowledge in artificial intelligence make them a valuable resource for early-stage companies navigating the complexities of developing and scaling AI-driven solutions.

Investor Profile

Air Street Capital has backed more than 31 startups, with 4 new investments in the last 12 months alone. The firm has led 7 rounds, about 23% of its total and boasts 2 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series A, Pre Seed rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, France.
  • Strong thematic focus on Artificial Intelligence (AI), Software, Biotechnology.
  • Led 1 rounds in the past year.
  • Typical check size: $1M – $5M.

Stage Focus

  • Seed (58%)
  • Series A (29%)
  • Pre Seed (6%)
  • Series Unknown (3%)
  • Series B (3%)

Country Focus

  • United States (42%)
  • United Kingdom (16%)
  • France (13%)
  • Germany (10%)
  • Canada (6%)
  • Switzerland (6%)
  • Greece (3%)
  • Austria (3%)

Industry Focus

  • Artificial Intelligence (Ai)
  • Software
  • Biotechnology
  • Machine Learning
  • Life Science
  • Analytics
  • Food And Beverage
  • Computer Vision
  • Generative Ai
  • Health Care
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Air Street Capital frequently co-invest with?

Phoenix Venture Partners
North America, California, United States, San Mateo
Co-Investments: 2
Frst
Europe, Ile-de-France, France, Paris
Co-Investments: 2
The Twenty Minute VC
Europe, England, United Kingdom, London
Co-Investments: 2
AIX Ventures
North America, California, United States, San Francisco
Co-Investments: 2
Amino Collective
Europe, Berlin, Germany, Berlin
Co-Investments: 3
Insight Partners
North America, New York, United States, New York
Co-Investments: 4
Partech
Europe, Ile-de-France, France, Paris
Co-Investments: 4
Obvious Ventures
North America, California, United States, San Francisco
Co-Investments: 4
Lux Capital
North America, New York, United States, New York
Co-Investments: 4
Point Nine
Europe, Berlin, Germany, Berlin
Co-Investments: 9

Which angels does Air Street Capital often collaborate with?

CS
Europe, Berlin, Germany, Berlin
Shared Deals: 1
FC
Europe, Ile-de-France, France, Paris
Shared Deals: 1
JL
Europe, France
Shared Deals: 1
JD
North America, California, United States, Palo Alto
Shared Deals: 2
SR
North America, California, United States, San Anselmo
Shared Deals: 1
AD
Europe, England, United Kingdom, London
Shared Deals: 1
AV
North America, California, United States, San Francisco
Shared Deals: 1
XN
Europe, Ile-de-France, France, Paris
Shared Deals: 1
RV
Europe, Ile-de-France, France, Paris
Shared Deals: 1
OC
North America, California, United States, Mountain View
Shared Deals: 2

What are some of recent deals done by Air Street Capital?

Delian Alliance Industries

London, England, United Kingdom

Delian builds a new defense prime to protect the West and its allies in the era of autonomous warfare

Artificial Intelligence (AI)Homeland SecurityNational Security
Series AJul 29, 2025
Amount Raised: $14,000,000
Hedera Dx

Epalinges, Vaud, Switzerland

A diagnostics platform that makes liquid biopsies a reality in cancer care

Health CareOncology
Series AMay 27, 2025
Amount Raised: $17,101,598
Fern Labs

London, England, United Kingdom

Fern Labs strives to develop, experiment, and construct, ensuring that this new era of computers serves a higher purpose.

Artificial Intelligence (AI)ComputerSoftware
Pre SeedFeb 3, 2025
Amount Raised: $3,000,000
Sereact

Stuttgart, Baden-Wurttemberg, Germany

Sereact is a robotics company that develops AI-powered software that automates the pick-and-pack process in the warehouse sector.

Artificial Intelligence (AI)Machine LearningRoboticsSoftware
Series AJan 20, 2025
Amount Raised: $26,044,841
Odyssey

Palo Alto, California, United States

Odyssey is an AI platform that enables storytellers to create cinematic video content and editable 3D scenes using visual AI technology.

Artificial Intelligence (AI)Graphic DesignVirtual Reality
Series ANov 13, 2024
Amount Raised: $18,000,000
Odyssey

Palo Alto, California, United States

Odyssey operates as an AI start-up.

Artificial Intelligence (AI)Graphic Design
SeedJul 12, 2024
Amount Raised: $9,000,000
Profluent Bio

Berkeley, California, United States

Decoding the language of life with AI

Artificial Intelligence (AI)Biotechnology
Series UnknownMar 21, 2024
Amount Raised: $35,000,000
Interloom Technologies

München, Bayern, Germany

Interloom Technologies redefines process automation for an AI future.

Artificial Intelligence (AI)Software
SeedMar 14, 2024
Amount Raised: $3,000,000
intenseye

New York, New York, United States

Intenseye uses AI for real-time video analysis, enhancing safety, detecting hazards, and improving efficiency across industries.

AnalyticsArtificial Intelligence (AI)Computer VisionGenerative AISoftware
Series BFeb 27, 2024
Amount Raised: $64,000,000
CellVoyant Technologies

Bristol, Bristol, City of, United Kingdom

AI-driven stem cell therapies for chronic diseases. Innovating with precision to manufacture cells and tissues at scale.

Artificial Intelligence (AI)Biotechnology
SeedJan 17, 2024
Amount Raised: $9,634,461