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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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SIOR 2025 Spring Event

Get ready to hit the jackpot at SIOR's Spring Event in Las Vegas, where we’re going all in on your success. Stack the deck in your favor. Forge powerful partnerships. Double down on your education. Get ready to ace your deals and get a royal flush of connections when you play your cards right networking with the best CRE professionals in the business. Every conversation and every handshake is a potential game-changer for your business. Don’t miss your chance to be in the right place at the right time, where every interaction could be the key to your next major deal. This is where the industry’s best come to raise the stakes—don’t miss your chance to go all in on a winning hand. SIOR’s Spring Event: go all in on networking, go all in on future deals, go all in on your business. Deal yourself in and join us in Vegas.

May 6-9, 2025
Las Vegas, Nevada
Register Now
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Recent Transactions

Office Lease
$1,113,800
USD Sale Madison, WI

45,400 sq. ft.

Christian Caulum, SIOR, Oakbrook Corporation
Christian Caulum, SIOR
Oakbrook Corporation
Madison, WI
Industrial Lease
$28,188,021
USD Sale McDonough, GA

428,160 sq. ft.

Bradley Pope, SIOR, CCIM, JLL
Bradley Pope, SIOR, CCIM
JLL
Atlanta, GA
James Min, SIOR, Colliers
James Min, SIOR
Colliers
El Segundo, CA
Industrial Lease
$1,118,849
USD Sale Modesto, CA

19,441 sq. ft.

Thomas Davis, SIOR, CBRE
Thomas Davis, SIOR
CBRE
Stockton, CA
Daniel Davis, SIOR, CCIM, CBRE
Daniel Davis, SIOR, CCIM
CBRE
Stockton, CA
Industrial Lease
$4,223,309
USD Sale Simi Valley, CA

56,845 sq. ft.

John DeGrinis, SIOR, Newmark
John DeGrinis, SIOR
Newmark
Calabasas, CA
Patrick DuRoss, SIOR, Newmark
Patrick DuRoss, SIOR
Newmark
Calabasas, CA
Jeff Abraham, SIOR, Newmark
Jeff Abraham, SIOR
Newmark
Calabasas, CA
Office Sale
$2,900,000
USD Sale Portland, ME

25,941 sq. ft. / 2 acres

Thomas Moulton, SIOR, CCIM, The Dunham Group
Thomas Moulton, SIOR, CCIM
The Dunham Group
Portland, ME
Justin Lamontagne, SIOR, CCIM, The Dunham Group
Justin Lamontagne, SIOR, CCIM
The Dunham Group
Portland, ME
These transactions are just some of the 80,000 deals completed by SIORs every year.
View All Transactions
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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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