About SIOR

Not Many Brokers Get a Seat at This Table

Who We Are

For more than 80 years, the Society of Industrial and Office Realtors (SIOR) has been the leading global professional office and industrial real estate association, and continues to move the industry and our members’ business forward as we drive the future of CRE. With 4,000 members in over 50 countries, SIOR represents today’s most knowledgeable, experienced, ethical, and successful commercial real estate brokerage specialists.

Anyone Can Be a Broker. Not Everyone Can Be an SIOR.

Just the Facts:
  • SIOR has more than 4,000 members in over 50 countries.
  • SIOR designees can hold the following specialty designations: industrial, office, industrial and office (dual), sales manager, executive manager, or advisory service.
  • SIOR also consists of affiliate members who include corporate executives, developers, educators, and others involved in the commercial real estate industry.
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