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Landmark Angels Inc

Greenwich‑based private angel group backing high‑growth companies across life sciences, healthcare and tech.

Greenwich, CT, USA

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Description

Landmark Angels Inc. is a high-profile private investment network based in Greenwich, Connecticut. Founded in 2008, it connects a curated group of accredited investors, family offices, and institutional partners with high-growth ventures in the technology and life sciences sectors. 
  • Early to Growth Stage: Landmark focuses on Seed, Series A, and Series B rounds.
  • Traction Requirement: They prioritize "de-risked" opportunities, meaning the startup typically has a proven prototype, intellectual property (IP) protection, and early commercial traction or high-value pilot programs. Landmark Angels - Investment Approach 
  • Method: Founders apply through the Landmark Angels contact portal or via the Gust platform.
  • Vetting Focus: The network is highly selective, reviewing thousands of deals but only inviting a small percentage to pitch. They look for massive market opportunities ($1B+ addressable markets) and deep technical "moats."
  • Materials: A professional pitch deck and a summary of the technical or clinical "edge" are required.
  • Major Event: The Landmark Innovation Summit 2026 (scheduled for Q2 2026) serves as a primary showcase for top-tier startups in the network. 
  • Rolling Basis: Landmark Angels reviews deals year-round.

Eligibility

  • Sectors: Life Sciences (Biotech, MedTech, Diagnostics), Deep Tech (AI, Cybersecurity, Materials Science), and Energy/Sustainability.
  • Geography: Primarily United States-based companies, but they selectively invest in international ventures (specifically from Israel and Canada) looking to enter the U.S. market.
  • Leadership: Preference for founding teams with prior successful exits or world-renowned expertise in their specific field. 

Process

  1. Direct Screening: Initial review by the Landmark management team to ensure the startup meets the high technical and financial thresholds.
  2. Due Diligence: Landmark is known for its rigorous, deep-dive due diligence process, often involving independent subject matter experts (engineers, clinicians, or industry veterans).
  3. Member Presentations: Finalists present to the network during quarterly in-person or virtual events held in major financial hubs like Greenwich, NYC, and San Francisco.
  4. Syndication: Investments are often syndicated across several members of the network or with partner funds like Landmark Venture Partners. 

What an Applicant can Obtain

  1. Elite Capital: Access to high-net-worth individual investors and family offices that provide "patient capital."
  2. Strategic Advisory: Direct mentorship from a network of members who are often former CEOs or specialists in the firm’s core sectors.
  3. Follow-on Network: Strong connections to Tier-1 institutional VC firms for subsequent larger rounds.
  4. Global Reach: Visibility through the Landmark Ventures ecosystem, which hosts high-level global innovation summits (e.g., the Landmark CIO Summit).