Exhibit 4.1

COMMON STOCK COMMON STOCK SH STAFFMARK HOLDINGS, INC. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE SEE REVERSE FOR THIS CERTIFICATE IS TRANSFERABLE IN CERTAIN DEFINITIONS JERSEY CITY, NJ, NEW YORK, NY AND PITTSBURGH, PA CUSIP TO COME THIS CERTIFIES THAT IS THE HOLDER OF FULLY PAID AND NONASSESSABLE SHARES OF THE COMMON STOCK, PAR VALUE $0.001, OF STAFFMARK HOLDINGS, INC. transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this COUNTERSIGNED AND REGISTERED: certificate properly endorsed. This certificate is not valid until countersigned and registered by the Transfer Agent and Registrar. WITNESS the facsimile signatures of the Corporation’s duly authorized officers. Dated: MELLON INVESTOR SERVICES LLC SECRETARY PRESIDENT AUTHORIZED SIGNATURE TRANSFER AGENT AND REGISTRAR

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM — as tenants in common UNIF GIFT MIN ACT— Custodian TEN ENT — as tenants by the entireties (Cust) (Minor) JT TEN — as joint tenants with right under Uniform Gifts to Minors of survivorship and not as Act tenants in common (State) Additional abbreviations may also be used though not in the above list. For value received, hereby sell, assign and transfer unto PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING POSTAL zIP CODE OF ASSIGNEE Shares of the common stock represented by the within Certificate, and do hereby irrevocably constitute and appoint Attorney to transfer the said stock on the books of the within-named Corporation with full power of substitution in the premises. Dated, NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATEVER. SIGNATURE(S) GUARANTEED: THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.

STAFFMARK HOLDINGS, INC. S-1/A