Society of Industrial and Office Realtors

Last updated
Society of Industrial and Office Realtors
AbbreviationSIOR
Formation1940;85 years ago (1940)
Founder Frank G. Binswanger Sr and David T. Houston Sr.
Founded at Philadelphia
Type Professional association
Legal status Non-profit association
PurposeProvide commercial real estate industry qualifications and advocate for the industry
Professional title
SOIR
Location
Region served
North American and Europe
ServicesMembership qualifications
Field Commercial real estate
Membership4,000 [1] (2024)
President [2]
Saadia Sheikh
FundingMember fees
Website www.sior.com

The Society of Industrial and Office Realtors (SIOR) is an international professional commercial and industrial real estate association based in Washington, D.C. It offers a professional designation (SIOR) to commercial brokers and other industry professionals.

Contents

As of 2018, it had 3,400 members in 686 cities and 36 countries. [3] SIOR designees can hold the following specialty designations: industrial, office, sales manager, executive manager, or advisory service. SIOR also includes associate members, who are corporate executives, developers, educators, and others involved in the commercial real estate industry.

History

SIOR was originally SIR (Society of Industrial Realtors). In 1939, the idea of forming an organization for industrial real estate brokers began. The sequence of events can be summarized as follows:

One year and two months later, the US entered World War II.

The society was instrumental in locating existing, and immediately available, plant space that could be used to produce defense, and later, war material. Over 200 brokers from across the United States and Canada surveyed suitable facilities and reported their findings to the War Department (now the Department of Defense). [4]

Real Estate Index (CREI)

SIOR maintains the SIOR Commercial Real Estate Index (CREI) is a quarterly, attitudinal survey by market experts in the SIOR membership community.

It is a diffusion index, a routinely used index for economic measures.

The survey is based on the following topics in the questionnaire:

Structure

SIOR has membership chapters on a global scale.

They are the following: [5]

See also

References

  1. "SIOR Celebrates Record Membership Milestone Amid Elevated Standards". SOIR. October 16, 2024.
  2. "Property adviser Saadia Sheikh to take reins as SIOR global president". CoStar. July 19, 2025.
  3. "SIOR Overview". www.sior.com. Retrieved 2018-10-22.
  4. "SIOR History | SIOR". www.sior.com. Retrieved 2023-07-04.
  5. "Chapter Locator". www.sior.com. Retrieved 2023-07-03.