
ABOUT US
About MB Corporation
Launched January 1, 2025, MB Corp is a Massachusetts-based, self-funded conglomerate committed to building, acquiring, and scaling businesses across a wide range of industries. With operations in MA, CT, RI, and NH, we’re focused on long-term growth, operational efficiency, and creating an interconnected ecosystem where our companies support and strengthen one another.
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As a holding company, MB Corp provides the resources, strategy, and structure to help each subsidiary thrive. We target both complementary businesses that align with our existing operations and value-add opportunities we can streamline and grow within our system. Our goal is to internalize services, reduce outside expenses, and increase both top-line revenue and bottom-line profit across the board.
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At MB Corp, we don’t just invest in companies — we transform them.
Our Story
January 2016
Michael Byrnes took over Swarm Basketball in 2016 and scaled it into the largest youth basketball programs in the country. That success sparked his passion for business growth and became the foundation for what would later evolve into MB Corp.
January 2022
Byrnes Real Estate Group launched with a team of 10 agents and in its first year of operation they quickly achieved over $35 million in sales. This strong foundation set the tone for its rapid growth and reputation for results.
February 2023
Byrnes Property Management was founded to offer reliable, hands-on service for residential and commercial properties. Since its launch, it has become a trusted solution for property owners seeking efficiency, communication, and results.
August 2023
Michael sold Swarm Basketball to 3STEP Sports in December 2019, after growing it into one of the largest youth programs in the country. The sale marked a major milestone in his business journey and paved the way for him to fully transition out of the company by August 2023, allowing him to shift his full focus to expanding MB Corp.
December 2023
Byrnes Real Estate Group doubled its agent count to 20, reached $65 million in sales. This growth solidified its presence as a leading force in the regional real estate market.
August 2024
Byrnes Property Management acquired XACT Property Management, expanding its portfolio to over 500 residential units and strengthening its presence in the regional property management space.
September 2024
Byrnes Residential and Commercial Cleaning was acquired to support in-house service needs and operational efficiency.
December 2024
Byrnes Real Estate Group has grown to over 50 agents, closed $100 million in sales in 2024, and expanded its regional presence with the opening of a new office in Boston, MA.
January 2025
Launched MB Corporation, bringing together all of our entities under one unified umbrella. This structure allows us to streamline operations, share resources, and drive strategic growth across every business within the group.
April 2025
MB Corp acquired Table Twelve Kitchen & Bar, officially launching its first restaurant under the newly formed Byrnes Restaurant Group. This acquisition marks a strategic expansion into the hospitality space, combining strong local brand recognition with MB Corp’s operational expertise to establish a foundation for future growth in the restaurant industry.