About Square Key Development Group

Learn more about Square Key Development Group, a founder-led real estate development and consulting firm providing owner’s representation, development advisory, and project management services. We partner with owners, investors, and institutions to deliver disciplined oversight, financial control, and strategic leadership across residential, commercial, and mixed-use projects. Square Key Development Group operates exclusively on the owner’s side, offering independent guidance from early feasibility through construction and closeout.

Our mission

Square Key Development Group’s mission is to provide independent, owner-side leadership that protects client interests and delivers disciplined, well-executed projects. We strive to provide clarity and structure to every project, focusing on predictable outcomes and long-term value for our clients.

What makes us different

Square Key Development Group operates exclusively on the owner’s side, providing independent, conflict-free representation grounded in disciplined execution, financial control, and experienced leadership—focused solely on protecting client interests and delivering long-term value. This commitment to owner-first integrity ensures alignment and trust throughout the project lifecycle.

Core values

Our core values define our approach to every project:

  1. Owner-First Integrity: Independent, conflict-free representation guided by client interests.
  2. Disciplined Execution: Rigorous planning, financial control, and accountability.
  3. Experienced Leadership: Decades of hands-on experience managing complex projects.

"Square Key Development Group provided invaluable guidance and expertise throughout our project. Their owner-side representation ensured our interests were always prioritized, resulting in a successful and cost-effective outcome."

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Meet our team

Behind every service we provide is a dedicated team of professionals, each bringing their unique expertise and enthusiasm to our business.

Geoff Funston - Founder

Geoff Funston is the Managing Member of Square Key Development LLC, an owner-side advisory practice based on Long Island. He works with property owners, developers, and lenders during early planning and pre-construction, providing independent perspective and decision support focused on risk, clarity, and alignment.

Geoff Funston

Founder