CHICAGO—Members of the Omnicom Group, a holding company consisting of firms in the advertising, marketing, specialty communications, interactive media and media buying services industries, have signed three leases totaling about 90,700 sf in Chicago’s Loop. Julien J. Studley’s Chicago office represented DDB Chicago, Porter Novelli and, all members of Omnicom, in the transactions.

At Aon Center, 200 E. Randolph St., DDB Chicago leased 32,100 sf and now occupies nine floors within the building. DDB Worldwide is the largest agency network in the United States and third in the world, with 206 offices in 98 countries. leased 32,500 sf at 225 N. Michigan Ave., an Internet professional services firm with more than 1,400 employees in five countries, outgrew its home at 400 W. Erie St. It now occupies the entire 21st floor of the building.

Porter Novelli took a 26,100-sf lease, also at 225 N. Michigan Ave. Founded in 1972, Porter Novelli is one of the world’s largest public relations firms, with offices in 93 cities and 52 countries. The firm relocated from its long-time home at 303 E. Wacker Dr.

Want to continue reading?
Become a Free ALM Digital Reader.

Once you are an ALM digital member, you’ll receive:

  • Unlimited access to GlobeSt and other free ALM publications
  • Access to 15 years of GlobeSt archives
  • Your choice of GlobeSt digital newsletters and over 70 others from popular sister publications
  • 1 free article* every 30 days across the ALM subscription network
  • Exclusive discounts on ALM events and publications

*May exclude premium content
Already have an account?


© 2024 ALM Global, LLC, All Rights Reserved. Request academic re-use from All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.

Dig Deeper



Join GlobeSt

Don't miss crucial news and insights you need to make informed commercial real estate decisions. Join now!

  • Free unlimited access to's trusted and independent team of experts who provide commercial real estate owners, investors, developers, brokers and finance professionals with comprehensive coverage, analysis and best practices necessary to innovate and build business.
  • Exclusive discounts on ALM and GlobeSt events.
  • Access to other award-winning ALM websites including and

Already have an account? Sign In Now
Join GlobeSt

Copyright © 2024 ALM Global, LLC. All Rights Reserved.