Global Presence

SIOR Certified

Working with Whitebox means you'll have a single point of contact with access to a global network of highly distinguished commercial real estate professionals through membership in the Society on Industrial and Office Realtors (SIOR).

 36 Countries | 685 Markets | 50+ Regional Chapters |
3,000+ Professionals | 82,000 Transactions Annually

SIOR Facts

  • SIORs did over $20 Billion in real estate transactions last year.
  • Average SIOR broker has 25 years’ experience.
  • Only 2% of commercial real estate license holders in the United States have the SIOR designation.
  • SIORs have to be dealmakers. Requirements include 5 years in the business, and in Dallas-Fort Worth an SIOR has to have gross commissions billed of at least $450,000 in 3 of the last 4 years.

“SIOR is the gold standard for office and industrial real estate professionals. It is a privilege to achieve the designation, and it represents the best of the best.”

Grant Pruitt, SIOR

Owner of Whitebox Real Estate, SIOR Tenant Rep Member Group Chair - 2019

Head to to learn more.




Office Locations

400 S. Record Street
Suite 1100
Dallas, TX 75202


420 Throckmorton Street
Suite 200
Fort Worth, TX 76102 


510 Bering Drive
Suite 213
Houston, Texas  77057


501 Congress Ave
Suite 150
Austin, TX 78701


(214) 380.4540 (Dallas)

(817) 502.1140 (Fort Worth)

(713) 589.2108 (Houston)

(512) 270.2295 (Austin)

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