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SIORs are the most capable and experienced industrial and office brokerage practitioners in any market.

SIORs are the most capable and experienced industrial and office brokerage practitioners in any market.

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Access more than 4,000 industry leaders who are held to the highest standard, ensuring expertise, prestige, and trust.

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Become An SIOR

SIOR offers membership in a number of categories around the world with many rewarding benefits to your career. Discover more about our Member Associate, SIOR Designation, and Associate Membership.

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October 19-22, 2026
New York, New York
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Recent Transactions

Office Lease
$1,833,653
USD Sale Addison, TX

17,589 sq. ft.

Jarrett Dunaway, SIOR, Cresa
Cresa
Frisco, TX
Land Sale
$2,874,000
USD Sale Birmingham, AL

1,393,920 sq ft.

Sam Carroll, SIOR, Graham & Co.
Graham & Co.
Birmingham, AL
Matthew Gilchrist, SIOR, Graham & Co.
Graham & Co.
Birmingham, AL
Office Lease
$965,000
USD Sale Queens, NY

6,230 sq. ft.

William O
M.C. O'Brien, Inc.
Brooklyn, NY
Industrial Lease
$4,360,677
USD Sale Columbus, OH

44,000 sq. ft.

Michael Linder, SIOR, Colliers
Colliers
Columbus, OH
Shane Woloshan, SIOR, Colliers
Colliers
Columbus, OH
Joel Yakovac, SIOR, Colliers
Colliers
Columbus, OH
Jonathan Schuen, SIOR, Colliers
Colliers
Columbus, OH
Kyle Ghiloni, SIOR, Colliers
Colliers
Columbus, OH
Industrial Sale
$1,880,925
USD Sale Richmond, VA

12,135 sq. ft.

Wilson Flohr, SIOR, Porter Realty Company Inc.
Porter Realty Company Inc.
Richmond, VA
Robert Porter, Porter Realty Company Inc.
Porter Realty Company Inc.
Richmond, VA
James McVey, SIOR, Range Commercial Partners
Range Commercial Partners
Richmond, VA
These transactions are just some of the 80,000 deals completed by SIORs every year.
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Global Industry Partner Program

The SIOR Global Industry Partner Program establishes synergistic relationships between SIOR and a highly select number of industry, for-profit companies to address key commercial real estate issues, align on common interest, and drive positive change across the industry.

Current Global Industry Partners:

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