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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.

Find An SIOR

Access a global network of 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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May 6-9, 2025
Las Vegas, Nevada
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Recent Transactions

Office Lease
$1,058,000
USD Sale Rothschild, WI

9,300 sq. ft.

Christian Caulum, SIOR, Oakbrook Corporation
Oakbrook Corporation
Madison, WI
Office Lease
£58,461,000
GBP Sale London,

42,400 sq. ft.

Nick McCalmont-Woods, MRICS, SIOR, McCalmont Woods
McCalmont Woods
United Kingdom
Industrial Lease
$607,477
USD Sale Durham, NC

15,117 sq. ft.

Marlene Spritzer, SIOR, CCIM, J.D., Lee & Associates
Lee & Associates
Cary, NC
Industrial Lease
$3,493,213
USD Sale ANAHEIM, CA

34,494 sq. ft.

Michael Hefner, SIOR, Voit Real Estate Services
Voit Real Estate Services
Anaheim, CA
Industrial Lease
CAD1,709,400
CAD Sale Winnipeg, MB

13,200 sq. ft.

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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