Residential & Commercial Real Estate

Long Island - NYC - Hamptons

ABOUT

Cosmo Group Realty is a highly-experienced, culturally-diverse Real Estate company whose goal is to provide the utmost in personalized service and exceptional results to their clients. Founded by partners Tatiana Valverde (CEO), Jessica Alejo (CFO) and Johanna Delgado (COO), the firm was built on a solid foundation of core values like integrity, dedication, superior care, and the commitment to put every buyer and seller first.

Cosmo Group believes in establishing clients for life, not just for one more transaction. They bring a high degree of intelligence and empathy to each interaction, and are consistent with the high standards in their level of service – not depending on transaction volume, but each client as an individual. Further raising the bar is their work ethic, market knowledge, consistent communication and skilled negotiating that earn clients’ trust and get deals done right.

Specialized in representing property buyers and sellers, Cosmo Group covers all of New York City, Long Island, The Hamptons. Whether you are a first-time buyer seeking a starter home, someone moving up to a luxury residence, an owner selling a property you’ve loved for years, or an investor seeking to maximize ROI, they are experts in their field, and a full-service resource for all your needs.

Helping clients buy, sell, and invest with confidence through strategic marketing, expert negotiation, and personalized service.

What we do?

Never stop Learning, never stop growing.

I believe my clients deserve more than experience, they deserve someone who is constantly evolving. That's why I remain committed to lifelong learning, professional development, and continuous innovation, ensuring every client benefits from the highest level of expertise, insight, and dedication.

  • New York Real Estate Broker License
  • New Jersey Real Estate Broker License
  • Florida Real Estate Broker License
  • NMLS Mortgage License
  • CRB - Certified Real Estate Brokerage Manager
  • PSA - Price Strategy Advisor
  • SRS - Seller Representative Specialist
  • RENE - Real Estate Negotiation Expert
  • SFR - Short sales & Foreclosure Resource
  • MRP - Military Relocation Professional
  • CSP - Certified Senior Professional
  • CSE - Commercial Sales Expert
  • PMP - Project Management Professional
  • FAA Remote Pilot Certified

“Cosmo Group Realty reflects my commitment to excellence, my passion for helping others build lasting wealth, and my belief that every client deserves an experience defined by trust, expertise, and exceptional results.”