About Our Firm

Paragon Group is a Tenant Representation Firm that provides a pure loyalty to our clients by solely representing the interests of corporations with their facility needs. We take a hands-on approach to each project, acting as the tenant's advocate while providing a highly comprehensive and personalized level of service.

As a privately owned real estate advisory and brokerage firm, Paragon Group is passionate in pursuing, leveraging, and maximizing every possible benefit in the Tenant's favor.

  • Seasoned real estate advisors, each with over two decades of experience
  • All services are personally provided by the dedicated real estate advisory team
  • One of the principals is a licensed architect
  • International reach through Exis Global Tenant Representation

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"We have no Landlord Representation assignments, thus providing a pure loyalty to the Tenant."

4 Benefits of Engaging a Tenant Representative

Number 1
No Direct Cost to You

Consistent with market practice, compensation is paid by the Landlord, thus providing representation to our clients with no out-of-pocket costs.

Number 2
A Simplified Process

In addition to typical real estate brokerage services, we provide a complete service package supporting every aspect of a tenant's real estate and facility needs. This service package is designed to orchestrate and simplify the process, permitting our clients to focus on their business.

Number 3
No Conflicts of Interest

Selecting a tenant representation firm provides a true loyalty and avoids any potential bias or conflicts of interest, which is prevalent with a firm that represents both landlords and tenants.

Number 4
Added Value

An experienced tenant representative will apply their knowledge and expertise to guide the tenant through a due diligence process. This leadership will ensure an effective and smooth transaction that will maximize every possible benefit.

Service Package

We partner with our client corporations in an advisory capacity to provide all the services of a corporate real estate department fused with the market knowledge and expertise of a real estate representative. Our services are designed to pursue, leverage, and maximize every possible benefit in the tenant's favor. This includes:


Due Diligence

We fully explore, qualify, and present all real estate options to thoroughly educate our clients on the market.

Space Design

All layout/floor plan designs and space needs programming is developed in house by one of our firm's principals, who is a licensed architect. We will also provide hands-on oversight and monitoring of the tenant installation and all relocation vendors.

Market Knowledge

Our extensive market knowledge and recent transaction information are utilized to leverage the negotiation process for lease renewals, expansions and/or relocations.

Financial Analysis

Our service package includes extensive analytical spreadsheets comparing alternatives and quantifying negotiation progress.

"Paragon Group will guide you through a complete due diligence process."

Our Brokerage Team

Jeffrey E. Nemshin

Jeffrey E. Nemshin

Co-Founder and Partner

Jeff has been specializing in tenant representation for corporate office space since 1988. He has represented many large corporations, law and accounting firms, and not-for-profit entities in a wide array of real estate transactions. He has extensive knowledge of the financial and non-financial aspects of those processes.
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Jerry A. Guerra

Jerry A. Guerra

Co-Founder, Partner & Licensed Architect

Since he began his career in 1985, Jerry has specialized in corporate tenant representation as well as floor plan and construction specification development for clients' real estate and space needs. He has guided many corporations through some of the largest real estate transactions in the region.
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Jeanine E. Lanza

Jeanine E. Lanza

Executive Vice President

Jeanine has been a licensed real estate broker in New York since 1997. She specializes in tenant representation and has represented many companies with their corporate real estate needs since 2006. Services provided include office leasing, renewals and relocations, expansions and sales. Prior to joining Paragon Group she represented one of Long Island's largest landlord representation projects in Lake Success, a 1.1 million square foot building.
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Lillian Taylor

Lillian Taylor

Marketing & Operations

Lillian has been helping businesses achieve their marketing goals since 2000. Drawing on her extensive background in advertising, digital marketing, and public relations, Lillian supports Paragon Group in building its brand and connecting with its audience.

"We provide the services of a corporate real estate department fused with the market knowledge and expertise of a real estate representative."

Client Transactions

A Long History of Success

Paragon's success has been driven through our hands-on, personal commitment to providing pure loyalty to our clients' best interests.

Office building at 2200 Northern Boulevard in East Hills, NY
Office building at 1111 Marcus Avenue in Lake Success, NY
Office building at 10-12 Nevada Drive in Lake Success, NY
Office building at 111 Great Neck Road in Great Neck, NY
2200 Northern Boulevard in East Hills, NY - Pall Corp. Sale to Lowes Corp.
Office building at 1981 Marcus Avenue in Lake Success, NY
Office building at 600 Community Drive in Great Neck, NY
Office building at 2000 Marcus Avenue in Lake Success, NY
Office building at 330 Crossways Park Drive in Woodbury, NY
Office building at 333 Earle Ovinton Boulevard in Uniondale, NY
Office building at 170 Old Country Road in Mineola, NY
Office Building at 990 Stewart Avenue in Garden City, NY
Office building at 300 Jericho Quadrangle in Jericho, NY
Office building at 6900 Jericho Turnpike in Syosset, NY
Office building at 100 Crossways Park Drive in Woodbury, NY
Arial view of Charles Wang Investment Property at Old Country Road and Round Swamp Road in Plainview
Office building at 40 Marcus Drive in Melville, NY
Office building at 100 and 102 Motor Parkway in Hauppauge, NY
Office building at 68 South Service Road in Melville, NY
Office building at 135 Engineers Road in Hauppauge, NY
Office building at 200 Wireless Boulevard in Hauppauge, NY
Office building at 1991-1999 Marcus Avenue in New Hyde Park, NY
Office building at 60 Crossways Park Drive in Woodbury, NY
Office building at 1305 Walt Whitman Road in Melville, NY

A & P Casualty Insurance Company • Access It • AIM Education • Amerisc Corporation • Arbitration Forums, Inc. • APS Pension Services • Astoria Federal Savings & Loan • Barnosky & Armetano, P.C. • Bartlett, McDonough, Bastone & Monaghan, LLP • Bee, Ready, Fishbein, Hatter & Donovan, P.C. • Berman Blake Associates • Brand, Glick & Brand, P.C. • British Telecom/Yellow Book USA • Carco Group, Inc. • Cardworks, Inc. • Catholic Health Services • Charles Wang/Northern Bay Management • CJM Fiscal Management • Coldata, Inc. • Cook Hall & Hyde Insurance • CorrectNet, Inc. • Comforce/Uniforce • Computer Associates • Community Home Mortgage • Comverse Technologies, Inc. • CQ Communications • Debt Recovery, LLC • Diebold • Duke Engineering • D & B Engineers and Architects PC • ERM Consulting Engineers • Esselte Corporation • Estee Lauder Companies • Executrain of Long Island, Inc. • Fidelity National Financial • Financial Medical Systems • First American Title Insurance • Foodhandler, Inc. • Framatome & D E & S • Fumuso, Kelly, Deverna, Snyder, Swart & Farrell, LLP • Gannett Fleming, Inc. • Garfunkel Wild, P.C. • Genser, Dubow, Genser & Cona, LLP • Globecom Systems, INC. • Globeground N.A./Hudson General • Gores Technology Group • H2M Architects and Engineers• Henley & Company • Hoffman & Bentovim, LLP • Hospice Care Network • Humanic Solutions, Inc. • Huntington Hospital • ICD Publications, Inc. • Ingentra HR Services, Inc. • Interboro Insurance Company • Interstate National Dealer Service • IVF America, Inc. • John Hancock Financial • Kaplan, Inc. • Kelly, Rode, Kelly • Kemper Insurance Group • Klein Liebman & Gresen, LLC • Lowes Home Improvement • Mass Mutual Financial Group • Mazars, USA CPAs • McCabe, Collins, McGeough & Fowler, LLP • Medfone • Meenan Oil Company • Merchants Insurance Group • Meyer Suozzi • Micro Vision Software, Inc. • Mid-Island Equities Corp. • Miltex Instrument Company • Moore Business Forms • Morstan General Agency, Inc. • NES Northeast Inc. • New York State United Teachers (NYSUT) • North Atlantic Life Insurance Co. • Northern Transdata Networks, Inc. • Northwell Health • Northwest Mutual Life • Nursing Sisters Home Care • 1-800 Flowers • Packaging Trends • PALL Corporation • Pension Design Services • Pitney Bowes, Inc. • Players Computer Inc. • PriMedia Inc. • Proginet Corporation • Prudential Financial of America • Queens Long Island Medical Group • Reebok International Ltd. • Roy F. Weston, Inc. • ROLM • Shaw, Licitra, Gollata, Esernio & Schwartz • Spring America/G3 Worldwide • Stantec, Inc. • State Farm Insurance Companies • St. Francis Hospital • Suffolk County • Sumisho Corporation • Teletime Media, Inc. • The Fuoco Group • TNT USA, Inc. • Transervice Lease Corp • Tri-State Consumer Insurance Co. • United Parcel Service • Unisys Corporation • USI Insurance Services, LLC • Weight Watchers International, Inc. • Yellow Book USA • Utica National Insurance Group • Miller & Milone, P.C.

Local Firm with a Global Reach

Paragon Group is the designated Long Island shareholder of Exis, a worldwide conglomerate of best-in-class independent tenant-only firms who commit to the ethos of relentless service and excellent results for their clients.

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Atlanta • Austin • Boston • Chicago • Dallas • Denver • Detroit • Houston • Jacksonville • Minneapolis • New York • Orange County • Orlando • Philadelphia • Phoenix • Raleigh • Reno • Sacramento • San Francisco • Seattle • Washington DC • Wilmington • Australia • Belgium • Canada • France • India • Luxembourg • Netherlands • Poland • Singapore • Spain • Sweden • United Kingdom

Click here for additional information on Exis and its locations.

How To Reach Us

6900 Jericho Turnpike, Suite 100E, Syosset, NY 11791
Phone: 516. 336. 5440 • Fax: 516.336.5445
info@paragongroupllc.com