CORNERSTONE

Where disciplined strategy meets flawless execution

Cornerstone is a retail leasing and advisory firm that helps tenants and landlords fortify their foundations amid constantly evolving consumer and market dynamics. We deliver tailored retail strategies and operational solutions grounded in mastery of fundamentals, systems thinking, and modern technology.

We don’t improvise success — we engineer it through preparation, precision, and accountability. What distinguishes Cornerstone is not a single skill, but a disciplined combination of qualities executed consistently, at the highest level, every day.

Like the cornerstone of any structure, our process establishes stability, alignment, and enduring trust.

Retail leasing & advisory, built for ownership standards.

Cornerstone operates as an extension of ownership—aligning leasing strategy, tenant mix, and execution so every decision ties back to capital protection and value creation.

Landlord Representation

Full-cycle leasing leadership for street retail and mixed-use assets—from positioning and merchandising through LOI, lease negotiation, and delivery.

Tenant Representation

Market planning, trade-area strategy, site evaluation, and market execution for expanding brands, balancing brand standards, occupancy cost, and long-term trade-area performance.

Advisory Services

Portfolio diagnostics, repositioning strategy, and underwriting support that align leasing, capital plans, and asset business plans.

Disciplined strategy translated into real outcomes.

A sample of assignments where engineered leasing programs lifted NOI, stabilized challenging assets, and unlocked long-term value.

Mixed-Use Lease-Up

Extell Development

Midtown West, Manhattan

Developed and executed a merchandising and leasing strategy that delivered a synergetic tenant mix, full occupancy and long-term functional value.

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Full-Building Lease

Superfresh/Key Food

The Bronx

Re-tenanted a 20,000 SF stand-alone building with a regional operator, restoring cash flow and securing a long-term, credit-worthy anchor for the ownership group.

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Portfolio Repositioning

Institutional Portfolio

Manhattan, Brooklyn, Bronx

Led a disciplined, systematic leasing effort that executed 85 leases in 18 months, reduced vacancy 20%, increased annual recurring revenue $6M and strengthened refinancing leverage across the portfolio.

View case study

How partners describe working with Cornerstone.

“…diligence and strategic approach increased the income profile of our property…”

After months of marketing and interviewing prospective tenants, Barclay delivered a tenant with strong financials and impeccable commercial history. His diligence and strategic approach increased the income profile of our property and meaningfully improved its long-term positioning.

Rudolf Alonzo — Ownership

“…Barclay’s proactive approach and negotiation skills were the deciding factor in repositioning this property.”

I had the privilege of working closely with Barclay at Chestnut Holdings. Throughout our time together, he consistently demonstrated exceptional professionalism, a strong work ethic, and remarkable expertise in leasing challenging properties. He single-handedly carried the marketing and leasing of a 140,000+ sq. ft. mixed-use building in Yonkers. Ownership’s investments improved the asset, but Barclay’s proactive approach and negotiation skills were the deciding factor in repositioning the property.

Joseph Pascal — Industry Peer

“…delivered a solution that exceeded what we thought was possible in the market.”

In a compressed timeframe, Barclay navigated a challenging search with calm, clarity, and fierce advocacy on our behalf. He negotiated the right terms, reduced our stress, and delivered a solution that exceeded what we thought was possible in the market.

Matt Larsen — Occupier

Built for owners who expect institutional discipline.

Cornerstone is not a volume brokerage. It is a focused retail leasing and advisory platform built around one idea: every decision should stand up to an investment committee conversation. That means disciplined preparation, clear frameworks, and execution that holds up across market cycles.

Whether you are repositioning a single asset or managing a multi-asset portfolio, you get senior attention on every assignment, thoughtful strategy up front, and accountable follow-through until the rent starts hitting the ledger.

Owner’s mindset applied to every LOI and lease.
Clear merchandising logic, not random tenant mix.
Transparent underwriting and occupancy-cost discipline.
Consistent communication with ownership and partners.

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