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Verified Investor & Investment Firm Professionals in Long Island, New York, 2026

This directory includes Investor & Investment Firm professionals operating in Long Island, New York. Profiles may be verified by KeyCrew or currently under review as part of our ongoing verification process. If you’re a local expert and aren’t listed here, book your verification call. Get Verified

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Argentum NYC-Logo
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Argentum NYC

This business has not yet been verified. Verified status is granted after a short phone interview confirming credentials and professional background.

Locations Served: This company offers services in the following locations.
Bronx, NY | Brooklyn, NY | Queens, NY | New York City, NY + 1 Other
Investor & Investment Firm

Argentum is a privately held, New York City-based holding company that specializes in real estate development and investment, with a focus on residential, multifamily, and mixed-use properties in the Bronx, Brooklyn, Queens, and Long Island areas.

Property Types:
  • Residential
  • Multifamily
  • Mixed-Use
A.D. Real Estate Investors, Inc-Logo
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A.D. Real Estate Investors, Inc

This business has not yet been verified. Verified status is granted after a short phone interview confirming credentials and professional background.

Locations Served: This company offers services in the following locations.
Great Neck, NY | New York City, NY | Long Island, NY
Property Management
Investor & Investment Firm

ADRE is a vertically integrated real estate firm with expertise in acquiring, developing, and managing residential and commercial properties, including multifamily, retail, and affordable housing assets, across the New York metropolitan area.

Property Types:
  • Residential
  • Affordable Housing
  • Multifamily
  • Retail
  • Industrial

Clients have had mixed experiences with A.D. Real Estate Investors, Inc. Some reviewers praise the company's responsive and helpful management, particularly Danielle Grossman, while others report issues such as unresponsiveness, lack of maintenance, and poor treatment of tenants. The overall sentiment is that the company provides a mixed quality of service, with some positive experiences but also many negative ones.

Gridhab Property Development-Logo
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Gridhab Property Development

This business has not yet been verified. Verified status is granted after a short phone interview confirming credentials and professional background.

Locations Served: This company offers services in the following locations.
Bay Shore, NY | Bronx, NY | Brooklyn, NY | Lindenhurst, NY + 4 Others
Investor & Investment Firm
Architect

Gridhab Property Development is a real estate development company that specializes in crafting exceptional residential and commercial spaces across Long Island, New York. With a focus on quality, innovation, and community integration, they develop visionary projects that redefine urban landscapes, including sleek residential towers and vibrant mixed-use developments.

Property Types:
  • Residential
  • Mixed-Use

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