NUMBER U-

Exhibit 4.1

CUSIP 14055M 205

UNITS CONSISTING OF ONE SHARE OF COMMON STOCK AND ONE HALF OF ONE WARRANT

EACH WHOLE WARRANT TO PURCHASE ONE SHARE OF COMMON STOCK

THIS CERTIFIES THAT                                                                                                                                                    is the owner of ________________________________________________________________________ Units.

Each Unit (“Unit”) consists of one (1) share of common stock, par value $0.0001 per share (“Common Stock”), of Capitol Acquisition Corp. III, a Delaware corporation (the “Company”), and one half of one warrant (the “Warrant(s)”). Each whole Warrant entitles the holder to purchase one (1) share of Common Stock for $11.50 per share (subject to adjustment). Each Warrant will become exercisable on the later of (i) 30 days after the Company’s completion of a merger, share exchange, asset acquisition, stock purchase, recapitalization, reorganization or other similar business combination (“Business Combination”) and (ii) 12 months from the closing of the Company’s initial public offering (“IPO”), and will expire unless exercised before 5:00 p.m., New York City Time, on the fifth anniversary of the completion of an initial Business Combination, or earlier upon redemption (the “Expiration Date”). The Common Stock and Warrants comprising the Units represented by this certificate are not transferable separately prior to the 52^nd day after the date of the prospectus relating to the Company’s IPO, subject to earlier separation in the discretion of Citigroup Global Markets Inc. provided that the Company has filed with the Securities and Exchange Commission a Current Report on Form 8-K which includes an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the IPO and issued a press release announcing when separate trading will begin. The terms of the Warrants are governed by a Warrant Agreement, dated as of _______, 2015, between the Company and Continental Stock Transfer & Trust Company, as Warrant Agent, and are subject to the terms and provisions contained therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant Agreement are on file at the office of the Warrant Agent at 17 Battery Place, New York, New York 10004, and are available to any Warrant holder on written request and without cost.

This certificate is not valid unless countersigned by the Transfer Agent and Registrar of the Company.

Witness the facsimile seal of the Company and the facsimile signatures of its duly authorized officers.

By
	Chairman of the Board		Secretary

Capitol Acquisition Corp. III

The Company will furnish without charge to each stockholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional or other special rights of each class of stock or series thereof of the Company and the qualifications, limitations, or restrictions of such preferences and/or rights.

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:

Additional abbreviations may also be used though not in the above list.

For value received, ___________________________ hereby sell, assign and transfer unto

(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

Units represented by the within Certificate, and do hereby irrevocably constitute and appoint _______________________ Attorney to transfer the said Units on the books of the within named Company will full power of substitution in the premises.

Dated                                        

Signature(s) Guaranteed: