Exhibit 23.3 

Consent of Independent Registered Public Accounting Firm

Steel Partners Holdings L.P.

New York, New York

We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement of our report dated March 8, 2018, relating to the consolidated financial statements of Steel Partners Holdings L.P. appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.

/s/ BDO USA, LLP

BDO USA, LLP

New York, New York

February 28, 2019