EXHIBIT 23.3
 
                          CONSENT OF ERNST & YOUNG LLP
 
   
    We consent to the reference to our firm under the caption "Experts" and to
the use of our report dated November 11, 1997, with respect to the combined
financial statements of Earlybird Courier Service, LLC, Total Management
Supports Services, LLC and their Affiliates included in Amendment No. 2 to the
Registration Statement (Form S-1 No.333-39971) and related Prospectus of
Dispatch Management Services Corp. for the registration of its common stock.
    
 
                                          /s/ ERNST & YOUNG LLP
 
                                          ERNST & YOUNG LLP
 
   
New York, New York
January 8, 1998
    

   
                                                                    EXHIBIT 23.3
    
 
                          CONSENT OF ERNST & YOUNG LLP
 
   
    We consent to the reference to our firm under the caption "Experts" and to
the use of our report dated December 5, 1997, with respect to the financial
statements of RJK Enterprises Inc. (D.B.A. Deadline Express) included in
Amendment No. 2 to the Registration Statement (Form S-1 No. 333-39971) and
related Prospectus of Dispatch Management Services Corp. for the registration of
its common stock.
    
 
                                          /s/ ERNST & YOUNG LLP
 
                                          ERNST & YOUNG LLP
 
   
New York, New York
January 8, 1998