Connecticut's commercial real estate industry focuses on the buying, selling, and leasing of properties ranging from office buildings to retail spaces. This sector includes brokerage firms, property management companies, and development firms, each contributing unique expertise. As the state continues to develop economically, these companies are adapting by integrating technology and sustainable practices in their operations. The trend toward urban redevelopment and mixed-use communities highlights how firms are meeting changing consumer preferences. Additionally, the push for environmentally responsible practices is influencing real estate decisions, particularly among developers and investors seeking future-ready opportunities that can withstand market fluctuations.

This list highlights 19 notable commercial real estate companies based in Connecticut, ranging from small firms with a handful of employees to larger operations with hundreds of staff members. Founded from 1957 to 2018, these companies specialize in areas like property management, investment analysis, and construction. Headquartered in locations like Hartford, Norwalk, and Branford, they convey a strong regional presence. With a focus on diverse services tailored to client needs, these companies also emphasize personalized strategies in a competitive market.

Continue reading to explore top commercial real estate companies in Connecticut.

Top 19 Commercial Real Estate Companies in Connecticut

1. O,R&L Commercial

• Website: orlcommercial.com
• Ownership type: Family Owned
• Headquarters: Branford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1990
• Headcount: 11-50
• LinkedIn: orlcommercial

O,R&L Commercial, LLC, based in Branford, Connecticut, is a family-owned commercial real estate firm founded in 1990. The company specializes in a variety of services including commercial brokerage, construction, and facility management. With a team of approximately 32 employees, O,R&L Commercial focuses on helping businesses and organizations navigate the complexities of commercial real estate. Their services cover leasing, buying, and managing properties, ensuring that clients receive thorough support throughout the real estate process. The firm has built a strong reputation for its personalized service and high standards, which are essential in fostering long-term client relationships. O,R&L Commercial has also been recognized as one of the top 50 commercial firms in the United States, highlighting their active role and success in the industry. Their integrated approach, combining brokerage, construction, and management, allows them to address a wide range of client needs effectively.

2. Colonial Realty, A Southpoint Group Company

• Website: colonialrealty.net
• Ownership type: Private
• Headquarters: Norwalk, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 1-10
• LinkedIn: the-southpoint-group-llc

Colonial Realty, A Southpoint Group Company, is a commercial real estate brokerage based in Norwalk, Connecticut. Established in 2011, the firm specializes in the buying, selling, and leasing of commercial properties throughout Connecticut. The company offers a range of services, including landlord and tenant representation, investment analysis, and management of Other Real Estate Owned (OREO) properties. Colonial Realty prides itself on its personalized approach, ensuring that each client's unique needs are met. The firm has a strong focus on the Fairfield and New Haven counties, where it has built a reputation for ethical standards and exceptional customer service. Following its merger with The Southpoint Group in late 2018, Colonial Realty has enhanced its capabilities and market presence, allowing it to provide comprehensive solutions for businesses seeking commercial real estate opportunities.

3. ACRE Group LLC

• Website: acregroup.com
• Ownership type: Corporate
• Headquarters: New Hartford, Connecticut, United States (USA)
• Employee distribution: India 50%, United States (USA) 50%
• Latest funding: October 2020
• Founded year: 2001
• Headcount: 1-10
• LinkedIn: acregroup

ACRE Group LLC, founded in 2001 and based in New Hartford, Connecticut, is a commercial real estate management firm that specializes in property management and leasing services. The company caters to both institutional and private investors, providing comprehensive solutions for managing and leasing office and retail spaces across New England. With a portfolio that has expanded from 400,000 square feet to over 2 million square feet, ACRE Group has established a strong presence in the market. They offer a wide range of services, including asset management, brokerage, tenant construction, and due diligence services. Their team is experienced in redeveloping spaces and negotiating leases, which has contributed to their reputation as a reliable partner in the commercial real estate sector. ACRE Group is also an active member of the International Council of Shopping Centers (ICSC), highlighting their commitment to industry standards and practices.

4. Sentry Commercial

• Website: sentrycommercial.com
• Ownership type: Private
• Headquarters: Hartford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1991
• Headcount: 11-50
• LinkedIn: sentry-commercial

Sentry Commercial is a commercial real estate firm based in Hartford, Connecticut, founded in 1991. With a team of 35 employees, the company specializes in brokerage, construction management, and property management services. They cater to businesses and organizations, offering expert guidance through the complexities of commercial real estate transactions. Sentry Commercial prides itself on a collaborative approach, ensuring that solutions are tailored to meet the unique needs of each client. Their recent merger with Commercial Development Company marks a significant step in expanding their presence and capabilities in Southern Connecticut. The firm is also recognized as a Small Business Enterprise (SBE) with the State of Connecticut, highlighting their commitment to local business practices and community engagement.

5. Northeast Property Group, Inc.

• Website: neproperty.com
• Ownership type: Private
• Headquarters: New London, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1991
• Headcount: 11-50
• LinkedIn: northeast-property-group-inc.

Northeast Property Group, Inc. is a private real estate brokerage and property management firm based in New London, Connecticut. Established in 1991, the company offers a comprehensive suite of services that includes commercial and residential real estate transactions, leasing, and full-service property management. With a team of experienced professionals, Northeast Property Group provides expert guidance to both businesses and individual clients navigating the complexities of the real estate market. Their commercial services division specializes in the leasing, acquisition, and sale of industrial, office, and retail properties, ensuring that clients receive tailored strategies that meet their specific needs. The firm is dedicated to maintaining up-to-date market information, which is crucial for informed decision-making. Their commitment to client service and a thorough understanding of the local market dynamics further solidifies their position in the commercial real estate sector.

6. Building and Land Technology

• Website: bltliveworkplay.com
• Ownership type: Private
• Headquarters: Stamford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1982
• Headcount: 201-500
• LinkedIn: building-%26-land-technology

Building and Land Technology (BLT) is a private real estate company based in Stamford, Connecticut, specializing in the management of residential and commercial properties. Established in 1982, BLT has developed a portfolio that includes a variety of apartments and office spaces across key locations in Connecticut and New Jersey. Their properties, such as those in Harbor Point and Jersey City, are designed to meet the needs of modern living and working, featuring contemporary amenities and flexible leasing options. BLT also offers home buying assistance, enhancing their service offerings for potential homeowners. With a workforce of around 136 employees, the company is well-equipped to manage its operations and maintain its properties effectively, ensuring a high level of service for both residents and commercial tenants.

7. Carl Guild & Associates

• Website: carlguild.com
• Ownership type: Private
• Headquarters: East Hampton, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: carl-guild-associates

Carl Guild & Associates is a real estate agency based in East Hampton, Connecticut, specializing in both residential and commercial property transactions. Founded in 2018, the company has grown to employ around 59 individuals, providing a range of services that include sales, rentals, and property management. They cater to a variety of clients, from individuals and families to investors, and emphasize personalized support throughout the buying and selling process. The firm operates in multiple locations across Connecticut, including East Hampton, Colchester, and Glastonbury. Their specialties cover a wide array of property types, including residential sales, commercial leasing, investment properties, and land development. The company also engages with the community through initiatives like scholarships for local students, showcasing their commitment to local engagement and support.

8. The Simon Konover Company

• Website: simonkonover.com
• Ownership type: Family Owned
• Headquarters: West Hartford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1957
• Headcount: 201-500
• LinkedIn: the-simon-konover-company

The Simon Konover Company, based in West Hartford, Connecticut, is a family-owned real estate management and development firm that has been active since 1957. With a workforce of around 200 to 500 employees, the company specializes in property acquisition, management, and leasing services. It caters to a variety of clients, including private owners, nonprofits, and government agencies, demonstrating its ability to handle different property types. The company manages a portfolio that includes office, retail, industrial, and hotel properties, as well as residential communities. Their development efforts span retail centers, multi-family communities, and specialty properties, showcasing their comprehensive approach to real estate. The Simon Konover Company prides itself on its commitment to integrity and community service, which is reflected in its philanthropic initiatives and local engagement. This blend of experience, community focus, and operational breadth positions them as a noteworthy player in the commercial real estate sector.

9. Kleban Properties

• Website: klebanproperties.com
• Ownership type: Private
• Headquarters: Fairfield, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2000
• Headcount: 1-10
• LinkedIn: kleban-properties

Kleban Properties, based in Fairfield, Connecticut, is a private real estate development firm that specializes in managing and developing both commercial and residential properties. Founded in 2000, the company has roots that trace back five generations in real estate development, primarily in Connecticut. Kleban Properties has expanded its operations beyond its home state, focusing on university-anchored markets across the Gulf Coast. The firm manages a substantial portfolio, totaling over 1.5 million square feet of property. Their approach emphasizes sustainability, as seen in initiatives like solar energy installations and greywater recycling systems. The company also engages in property management and maintenance services, ensuring a hands-on approach to their developments. With a dedicated team that includes multiple generations of the Kleban family, the firm continues to evolve while maintaining its commitment to quality and community.

10. Proprium Capital Partners

• Website: proprium.com
• Ownership type: Private
• Headquarters: Stamford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 25%, United Kingdom (UK) 25%, Hong Kong S.A.R 19%, Other 31%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: proprium-capital-partners

Proprium Capital Partners is a private equity firm based in Stamford, Connecticut, specializing in real estate investments. Established in 2012, the firm has grown to manage over $3 billion in assets across various investment vehicles. Proprium focuses on principal investing and managing funds for institutional investors, including pension funds, banks, and family offices. The firm has made 35 investments in 11 countries, showcasing its global reach and expertise. Proprium's investment philosophy emphasizes long-term, sustainable growth through partnerships with local real estate companies. Their portfolio includes significant holdings in residential, hospitality, and logistics sectors, reflecting their strategic approach to capitalizing on high-growth opportunities. With a team that boasts an average of 20 years of industry experience, Proprium is well-equipped to navigate the complexities of the commercial real estate market.

11. Collins Enterprises

• Website: collins-llc.com
• Ownership type: Corporate
• Headquarters: Greenwich, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: June 2021
• Founded year: 1982
• Headcount: 11-50
• LinkedIn: collins-enterprises-llc

Collins Enterprises, based in Greenwich, Connecticut, is a real estate development firm that has been active since 1982. The company specializes in the strategic redevelopment and management of underutilized properties, offering a range of services that include asset management, acquisition, and property management. With a dedicated team of around 40 employees, Collins has built a reputation for transforming neglected spaces into profitable ventures. Their portfolio, valued at approximately $200 million, features a mix of multifamily, mixed-use, and medical office buildings, primarily located in the mid-Atlantic region and New York City. Collins is particularly recognized for its work in urban waterfronts and brownfield sites, often engaging in public-private partnerships to enhance community value. The firm has successfully managed over 2,500 apartments and continues to focus on projects that align with workforce housing needs near employment centers and educational institutions.

12. TRIO Properties, LLC

• Website: trioproperties.com
• Ownership type: Private
• Headquarters: Glastonbury, Connecticut, United States (USA)
• Employee distribution: United States (USA) 93%, Egypt 7%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: trio-real-estate-services-llc-trioonline.com

TRIO Properties, LLC, based in Glastonbury, Connecticut, is a private property management company that specializes in real estate services. Established in 2008, the firm focuses on multifamily management, commercial property management, and development consulting. With a portfolio that includes over 3,000 apartments and a wealth of experience managing more than 50,000 units, TRIO Properties has developed a strong foothold in the industry. Their services are designed to help investors and property owners enhance property value while effectively navigating market challenges. The company prides itself on its hands-on management approach and has been recognized as CTAA’s Property Management Company of the Year for several years. TRIO Properties operates across multiple states, providing tailored solutions that address the unique needs of each property and client. Their commitment to exceptional tenant service and client satisfaction underscores their role as a reliable partner in the commercial real estate sector.

13. Realty 3 CT, Inc.

• Website: realty3ct.com
• Ownership type: Family Owned
• Headquarters: Southington, Connecticut, United States (USA)
• Founded year: 1980
• Headcount: 51-200
• LinkedIn: realty3-of-ct

Realty 3 CT, Inc. is a family-owned real estate agency based in Southington, Connecticut, founded in 1980. With a team of approximately 41 employees, the firm specializes in both residential and commercial real estate services. They assist clients in buying, selling, and leasing properties, leveraging their extensive experience in the industry. Realty 3 CT prides itself on its community involvement and has been recognized for its commitment to client service, having been voted the best real estate agency in Southington for 2021, 2022, and 2023. The agency's agents are well-versed in current market trends and technology, ensuring they provide clients with effective strategies for their real estate needs. Their clientele includes individuals and businesses, reflecting their capability to handle a range of real estate transactions.

14. Investment Capital Partners, Ltd.

• Website: icpltd.net
• Ownership type: Private
• Headquarters: Shelton, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1997
• Headcount: 1-10
• LinkedIn: investment-capital-partners-ltd

Investment Capital Partners, Ltd. (ICP) is a private commercial real estate firm based in Shelton, Connecticut, founded in 1997. The company specializes in asset management, property management, and investment opportunities tailored to the commercial real estate market. ICP aims to optimize real estate investments for businesses and organizations, focusing on maximizing profitability while minimizing risks. They provide a range of services, including leasing, debt analysis, and construction management, which are essential for maintaining and enhancing property value. With a portfolio that includes over one million square feet of commercial space, ICP operates primarily in Connecticut and New Jersey, with some involvement in Florida. Their team comprises experienced professionals from real estate, finance, and legal backgrounds, enabling them to navigate the complexities of the commercial property sector effectively.

15. Horton Group

• Website: hortongroupllc.com
• Ownership type: Private
• Headquarters: New Haven, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2000
• Headcount: 11-50
• LinkedIn: hortongroupllc

Horton Group, LLC is a privately held real estate development and construction management firm based in Madison, Connecticut. Established in 2000, the company specializes in both commercial and residential projects, providing services that include investing, project management, and facilities maintenance. With a focus on enhancing underutilized assets, Horton Group aims to create value for its clients and the communities it serves. The firm has successfully managed over 5 million square feet of housing and has undertaken numerous commercial projects, including office, industrial, and retail spaces. Their commitment to sustainability is evident in their practices, which prioritize energy efficiency and environmentally friendly materials. Operating primarily in the Northeastern United States, Horton Group has built a reputation for quality and community-oriented development.

16. Colonial Properties, Inc.

• Website: colprop.com
• Ownership type: Family Owned
• Headquarters: Orange, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1978
• Headcount: 11-50
• LinkedIn: colonial-properties-inc-

Colonial Properties, Inc. is an independent real estate brokerage based in Orange, Connecticut. Founded in 1978, the company specializes in both commercial and residential real estate transactions. Their commercial division handles a variety of property types, including retail, industrial, office, and investment properties, as well as land and business sales. The residential side focuses on single-family homes, multi-family units, condominiums, and rentals. With a team of experienced professionals, Colonial Properties emphasizes personalized customer service, helping clients navigate the complexities of the real estate market. Their commitment to the local community and extensive knowledge of the Connecticut market make them a valuable resource for individuals and businesses alike.

17. RCN Capital

• Website: rcncapital.com
• Ownership type: Private
• Headquarters: South Windsor, Connecticut, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Latest funding: Other (Debt), $28.5M, April 2025
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: rcncapital

RCN Capital, founded in 2010 and based in South Windsor, Connecticut, is a private lending firm that specializes in real estate financing. The company offers a variety of loan products tailored for real estate investors, including options for fix and flip projects, long-term rentals, multifamily properties, and new construction. RCN Capital primarily serves real estate professionals and developers who require swift access to capital for their investment needs. With a workforce of approximately 152 employees, RCN Capital has established itself as a significant player in the real estate financing sector. The company has received funding, with a notable amount of $28.5 million reported in April 2025, indicating ongoing growth and investment in their operations. RCN Capital's commitment to customer service and efficient loan processing further enhances its reputation in the industry.

18. Spinnaker Real Estate Partners

• Website: spinrep.com
• Ownership type: Private
• Headquarters: Norwalk, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1950
• Headcount: 51-200
• LinkedIn: spinnaker-real-estate-partners-ct

Spinnaker Real Estate Partners is a private real estate development and property management firm based in Norwalk, Connecticut. Established in 1950, the company specializes in mixed-use, commercial, and multi-family properties. With a workforce of approximately 66 employees, Spinnaker is dedicated to creating vibrant communities through responsible building practices and innovative placemaking. Their portfolio features a range of projects, including the recent completion of the Sono Central complex in South Norwalk and multiple phases of the Audubon New Haven development. Spinnaker's approach emphasizes adaptive reuse and urban redevelopment, reflecting a commitment to enhancing the urban fabric of the areas they serve. They are recognized for their ability to execute complex projects while maintaining high design standards, making them a relevant player in the commercial real estate industry.

19. Lexington Partners, LLC

• Website: lexingtonct.com
• Ownership type: Private
• Headquarters: Hartford, Connecticut, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1994
• Headcount: 51-200
• LinkedIn: lexington-partners-llc

Lexington Partners, LLC is a real estate development and property management firm based in Hartford, Connecticut. Established in 1994, the company specializes in developing and managing multifamily residential communities and commercial properties across the Northeast and Southeast United States. With a workforce of approximately 31 employees, Lexington has built a reputation for tackling complex projects that involve significant physical, financial, and environmental challenges. The firm operates through three wholly-owned subsidiaries: Lexington Partners, Lexington Property Management, and InnoConn Construction Management. Together, they manage a portfolio that includes over 3,500 apartments and several ongoing multifamily projects. Lexington's strategic focus on acquiring and renovating properties in growing markets, particularly in the Southeast, positions them well for future growth. Their approach emphasizes building relationships with residents, investors, and communities, reflecting a commitment to integrity and sustainable development.

Commercial Real Estate Insights: Key Companies in Connecticut

Company	Headquarter	Size	Founded	Ownership
O,R&L Commercial	Branford, Connecticut, United States (USA)	11-50	1990	Family Owned
Colonial Realty, A Southpoint Group Company	Norwalk, Connecticut, United States (USA)	1-10	2011	Private
ACRE Group LLC	New Hartford, Connecticut, United States (USA)	1-10	2001	Corporate
Sentry Commercial	Hartford, Connecticut, United States (USA)	11-50	1991	Private
Northeast Property Group, Inc.	New London, Connecticut, United States (USA)	11-50	1991	Private
Building and Land Technology	Stamford, Connecticut, United States (USA)	201-500	1982	Private
Carl Guild & Associates	East Hampton, Connecticut, United States (USA)	51-200	2018	Private
The Simon Konover Company	West Hartford, Connecticut, United States (USA)	201-500	1957	Family Owned
Kleban Properties	Fairfield, Connecticut, United States (USA)	1-10	2000	Private
Proprium Capital Partners	Stamford, Connecticut, United States (USA)	11-50	2012	Private
Collins Enterprises	Greenwich, Connecticut, United States (USA)	11-50	1982	Corporate
TRIO Properties, LLC	Glastonbury, Connecticut, United States (USA)	11-50	2008	Private
Realty 3 CT, Inc.	Southington, Connecticut, United States (USA)	51-200	1980	Family Owned
Investment Capital Partners, Ltd.	Shelton, Connecticut, United States (USA)	1-10	1997	Private
Horton Group	New Haven, Connecticut, United States (USA)	11-50	2000	Private
Colonial Properties, Inc.	Orange, Connecticut, United States (USA)	11-50	1978	Family Owned
RCN Capital	South Windsor, Connecticut, United States (USA)	51-200	2010	Private
Spinnaker Real Estate Partners	Norwalk, Connecticut, United States (USA)	51-200	1950	Private
Lexington Partners, LLC	Hartford, Connecticut, United States (USA)	51-200	1994	Private

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