The Society of Industrial and Office Realtors (SIOR)
TaTonka Real Estate Advisors’ principals have both earned the SIOR designation.
The Society of Industrial and Office REALTORSĀ© is a leading professional commercial and industrial real estate association. SIOR represents today’s most knowledgeable, experienced, and successful commercial real estate brokerage specialists.
The ‘SIOR Network’ includes more than 2,800 members in 480 cities in 20 countries on six continents.
SIOR has certified almost 2,400 of its members with the prestigious SIOR designation, a professional symbol of the highest level of knowledge, production, and ethics in the real estate industry. Commercial real estate professionals who hold the SIOR designation, are recognized by corporate executives, commercial brokers, agents, lenders, and other real estate professionals as the most experienced and capable brokerage practitioners in any market. Designees specialize in industrial, office, sales manager, executive manager, or advisory services categories.
SIOR also includes associate members who include corporate executives, developers, educators, and others involved in the commercial real estate industry.
A professional affiliate of the National Association of REALTORSĀ®, SIOR is dedicated to the practice and maintenance of the highest professional and ethical standards. SIOR maintains a commitment to business and industry by providing outstanding professional services, publications, and educational programs.
The numbers speak for themselves:
Transactions closed:
As a group, SIOR members closed 68,442 transactions last year. This equates to approximately 34 transactions per member.
Space leased or sold:
SIOR members leased or sold an average of 1.2 million square feet (111,500 square meters) per person last year. Cumulatively, they leased or sold 2.4 billion square feet (22.3 million square meters) of space.

