Private company

EQ Office

Real estate investment trust

EQ Office (formerly Equity Office) was a real estate investment company that invested in office buildings. The company was owned by funds managed by The Blackstone Group.2 From Wikipedia, CC BY-SA 4.0

Last updated Oct 19, 2026.

Overview

1976Founded1

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EQ Office (formerly Equity Office) was a real estate investment company that invested in office buildings. The company was owned by funds managed by The Blackstone Group. In 2025, it was merged into Perform Properties.2

The story

Founded by Sam Zell in 1976.1

Leadership

Who has led EQ Office, and when. Pick a name to see everywhere that person has worked.

Timeline

  1. 1976Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2