Impact Investing Built on Conviction and Access
The Entrepreneurial Investment & Merchant Bank
Recent Transactions
Palomino Laboratories
May, 2026
Private Placement
Exclusive Placement Agent
$17,000,000
Smartkem
March, 2026
Private Placement
Introducing Broker
$11,411,500
Ironlight
March, 2026
Series A
Direct Investment
$21,000,000
REalloys
March, 2026
Follow-On Offering
Co-Manager
$50,000,000
Nasus Pharma
February, 2026
Private Placement
Co-Placement Agent
$15,000,000
Palomino Laboratories
May, 2026
Private Placement
Exclusive Placement Agent
$17,000,000
Smartkem
March, 2026
Private Placement
Introducing Broker
$11,411,500
Ironlight
March, 2026
Series A
Direct Investment
$21,000,000
REalloys
March, 2026
Follow-On Offering
Co-Manager
$50,000,000
Nasus Pharma
February, 2026
Private Placement
Co-Placement Agent
$15,000,000
Executive leadership
James P. Ahern
Matthew D. Eitner
John W. Coolong
Discover the
Laidlaw Difference
With an almost 200-year legacy of independent investment banking, Laidlaw & Company is one of the oldest and most prestigious investment banks in the country. We are a fully integrated Multi-Family Office, Merchant Bank, and Investment Bank focused on Impact Investing in the New Economy, Infrastructure, and Healthcare.
James P. Ahern
Passionately and expertly providing comprehensive investment banking services to emerging growth companies and wealth management services to institutions and individuals.
Empowering Growth – Nearly Two Centuries of Global Investment Excellence
For nearly two centuries, Laidlaw & Company has maintained a legacy of independent investment banking and securities brokerage, tailored to the specific needs of both domestic and international companies, corporate entrepreneurs, institutions, and private clients worldwide.
Our expansive and continually growing network spans across the United States and Europe. These professionals operate under our FINRA registered subsidiary and extend our influence through an FCA authorized subsidiary based in London.
Our healthcare-focused investment banking and capital markets team brings together senior professionals who combine institutional-caliber expertise with the hands-on approach of an entrepreneurial firm. We offer transaction management across the full capital markets spectrum, from private placements and IPOs to M&A and strategic advisory, with a proven ability to help emerging companies rapidly access capital through our robust global distribution network
At our core, Laidlaw is a fully integrated merchant bank deploying proprietary and institutional capital into high-conviction growth-stage companies, then providing active strategic advisory to scale them to public markets. We are conviction-driven investors and trusted advisors to entrepreneurs, family offices, and institutions across our five offices worldwide.
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Total Transactions
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Our Divisions
With a strategic focus on impact investing, Laidlaw brings together capital, advisory, and a global network to help clients and companies achieve exceptional outcomes.
Investment Banking and Capital Markets
Venture Capital & Growth Equity
Wealth Management
Research and Strategy
Get in touch
Let’s take your investments to the next level.
