Jones Lang LaSalle (JLL) 10-K 2017 Q4 Annual report

EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Jones Lang LaSalle Incorporated:

We consent to the incorporation by reference in the registration statements (No. 333-218645, 333-193553, 333-180406, 333-180405, 333-133887, 333-117024, 333-110366, 333-42193, 333-73860, 333-69810, and 333-50720) on Form S-8 and (No. 333-221396, 333-206164, 333-182399, 333-159854, 333-153029, and 333-70969) on Form S-3 of Jones Lang LaSalle Incorporated of our reports dated February 23, 2018, with respect to the consolidated balance sheets of Jones Lang LaSalle Incorporated as of December 31, 2017 and 2016, and the related consolidated statements of comprehensive income, changes in equity, and cash flows for each of the years in the three-year period ended December 31, 2017, and the related notes (collectively, the consolidated financial statements), and the effectiveness of internal control over financial reporting as of December 31, 2017, which reports appear in the December 31, 2017 annual report on Form 10-K of Jones Lang LaSalle Incorporated.

/s/ KPMG LLP

Chicago, Illinois

February 23, 2018