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Your Trusted Commercial Real Estate Partner in Greater Boston
Associated Brokerage Group (ABG) is a locally owned commercial real estate brokerage firm dedicated to delivering tailored solutions for clients in Greater Boston and Eastern Massachusetts. Since our founding, we have specialized in the sale and leasing of office, retail, industrial, and unique commercial properties, combining decades of collective experience with a boutique-style approach. Our professionals leverage deep market knowledge and innovative strategies to maximize client objectives, whether representing landlords, tenants, or investors.

We prioritize personalized service, avoiding bureaucratic constraints to focus on practical market insights and creative deal-making. Our commitment to excellence extends to advisory services, investment sales, and property management, where we emphasize transparency, fiduciary responsibility, and 24/7 operational support. By fostering long-term partnerships, we ensure clients achieve optimal returns on their real estate investments while navigating complex market dynamics with confidence.
Services
Landlord Representation Tenant Representation Investment Sales Property Management Advisory Services
Highlights and features
  • We offer 30+ years of collective commercial real estate expertise in Greater Boston.
  • Our boutique structure ensures personalized, creative solutions tailored to client needs.
  • We provide 24/7 property management support with fiduciary accountability.
  • Our team leverages regional market insights and a robust broker network.
  • We deliver transparent advisory services, including lease compliance and value analysis.
Services
Landlord Representation
We maximize property value for owners by leveraging tenant networks and crafting strategic leasing plans. Our focus is minimizing vacancies while achieving optimal returns through market-driven insights and targeted outreach to qualified tenants. This service caters to real estate investors and property owners seeking proactive management solutions.
Tenant Representation
Our advisors help businesses secure commercial spaces aligned with operational needs, including office, industrial, and retail properties. We negotiate favorable lease terms and provide relocation guidance, ensuring cost savings and long-term value for companies expanding or renewing leases in competitive markets.
Investment Sales
We facilitate transactions for commercial properties, including structured sales, tax-free exchanges, and REIT transactions. Our team uses phased bidding strategies and market analysis to secure premium pricing for clients selling office, retail, industrial, or multifamily assets across Massachusetts.
Property Management
Our full-service management includes budgeting, maintenance coordination, tenant relations, and 24/7 operational support. We create customized plans to enhance asset performance while ensuring compliance with financial and regulatory standards for commercial property owners.
Advisory Services
We provide lease compliance audits, cost recovery analysis, and broker opinions of value (BOV) to optimize real estate portfolios. This service helps clients identify financial discrepancies, assess property valuations, and make data-driven decisions for commercial assets.
People
Toni Shelzi
President & CEO
Toni Shelzi leads ABG with over 25 years of commercial real estate experience, specializing in strategic deal-making and client relationship management across Greater Boston's dynamic market.
David Killen
Commercial Advisor
David Killen provides expert advisory services, leveraging deep market knowledge to guide clients through complex transactions and investment opportunities in Eastern Massachusetts' commercial sector.
Dollie Horton
Co-Founder
As co-founder, Dollie Horton established ABG's boutique brokerage model, emphasizing personalized service and creative solutions for clients in office, retail, and industrial real estate sectors.
Bernard Gibbons
Senior Vice President
Bernard Gibbons manages large-scale commercial listings, combining market analytics with negotiation expertise to achieve premium results for property owners in competitive submarkets.
Questions
What commercial real estate services do you offer?
We provide landlord and tenant representation, investment sales, property management, and advisory services for office, retail, industrial, and multifamily properties in Greater Boston.
Which areas do you serve?
Our primary focus is Greater Boston and Eastern Massachusetts, including Cambridge, Somerville, Haverhill, and surrounding submarkets.
How do you help tenants find commercial space?
We analyze business needs, identify properties matching requirements, negotiate lease terms, and provide relocation support to ensure optimal space solutions.
What sets ABG apart from other brokerages?
Our boutique structure allows personalized service, regional expertise, and creative deal strategies while maintaining the resources of a larger firm.
Can you assist with property valuations?
Yes, our advisors offer Broker Opinions of Value (BOV) based on market analysis, comparable sales, and property-specific assessments for informed investment decisions.