EX. 24

POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS

       KNOW ALL
BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of
Margo Drucker, Adam DeWitt and Lauren Lipson, signing singly, the undersigned's
true and lawful attorney-in-fact to: (i) execute for and on behalf of the
undersigned, in the undersigned's capacity as an officer and/or director and/or
owner of greater than 10% of the outstanding ordinary shares of Grubhub Inc., a
Delaware corporation (the "Company"), Forms 3, 4 and 5 (including any
amendments, supplements or exhibits thereto) in accordance with Section 16(a) of
the Securities Exchange Act of 1934 and the rules thereunder; (ii) do and
perform any and all acts for and on behalf of the undersigned which may be
necessary or desirable to complete and execute any such Form 3, 4 or 5
(including any amendments, supplements or exhibits thereto) and timely file such
form with the United States Securities and Exchange Commission (the "SEC") and
any stock exchange or similar authority, including without limitation the filing
of a Form ID or any other documents necessary or appropriate to enable the
undersigned to file the Form 3, 4 and 5 electronically with the SEC; (iii) seek
or obtain, as the undersigned's representative and on the undersigned's behalf,
information on transactions in the Company's securities from any third party,
including brokers, employee benefit plan administrators and trustees, and the
undersigned hereby authorizes any such person to release any such information to
each of the undersigned's attorneys-in-fact appointed by this Power of Attorney
and ratifies any such release of information; and (iv) take any other action of
any type whatsoever in connection with the foregoing which, in the opinion of
such attorney-in-fact, may be of benefit to, in the best interest of, or legally
required by, the undersigned, it being understood that the documents executed by
such attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and conditions as
such attorney-in-fact may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.
       This Power of
Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4 and 5 with respect to the undersigned's
holdings of and transactions in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.
[Remainder of Page Intentionally Left Blank]


       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed this 11th day of May, 2016.

Signed and acknowledged:

/s/ Justin
Sadrian
Signature

Justin Sadrian
Printed Name