Attached files

file filename
EX-10.21 - EXHIBIT 10.21 - ASGN Incexhibit1021.htm
10-K - 10-K - ASGN Inca10-k2017.htm
EX-32.2 - EXHIBIT 32.2 - ASGN Inca12312017ex322writtenstate.htm
EX-32.1 - EXHIBIT 32.1 - ASGN Inca12312017ex321writtenstate.htm
EX-31.2 - EXHIBIT 31.2 - ASGN Inca12312017ex312cfocertifica.htm
EX-31.1 - EXHIBIT 31.1 - ASGN Inca12312017ex311ceocertifica.htm
EX-21.1 - EXHIBIT 21.1 - ASGN Inca12312017ex211subsofthereg.htm
EX-10.38 - EXHIBIT 10.38 - ASGN Incexhibit1038.htm
EX-10.20 - EXHIBIT 10.20 - ASGN Incexhibit1020.htm
EX-10.19 - EXHIBIT 10.19 - ASGN Incexhibit1019.htm
EX-10.10 - EXHIBIT 10.10 - ASGN Incexhibit1010.htm
EX-10.9 - EXHIBIT 10.9 - ASGN Incexhibit109.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-204776, 333-38849, 333-61998, 333-106203, 333-143907, 333-168041, 333-181426, 333-183863, and 333-189287 on Form S-8 and 333-181570 and 333-182277 on Form S-3 of our reports dated February 28, 2018, relating to the financial statements and financial statement schedule of On Assignment, Inc. and subsidiaries (which report expresses an unqualified opinion), and the effectiveness of On Assignment, Inc.’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of On Assignment, Inc. for the year ended December 31, 2017.


/s/ DELOITTE & TOUCHE LLP

Los Angeles, California
February 28, 2018