Exhibit 23.1 CONSENT OF KPMG LLP The Board of Directors Jones Lang LaSalle Incorporated: We consent to the use of our report dated February 7, 2000, except as to note 14 which is as of June 22, 2000, with respect to the consolidated financial statements of Jones Lang LaSalle Incorporated and its subsidiaries and their predecessors as of December 31, 1999 and 1998 and for the three-year period ended December 31, 1999, which report appears in the Form 8-K of Jones Lang LaSalle Incorporated dated August 11, 2000, and our report dated February 7, 2000, with respect to the consolidated financial statements and schedule of Jones Lang LaSalle Incorporated and its subsidiaries and their predecessors, which report appears in the December 31, 1999, annual report on Form 10-K of Jones Lang LaSalle Incorporated, all incorporated by reference, and to the reference to our firm under the heading "Experts" in the Registration Statement on Forms F-4 and S-4. Chicago, Illinois October 16, 2000 /s/ KPMG LLP