SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                  FORM 8-A 12G

                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                     PURSUANT TO SECTION 12(b) OR (g) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                              UNITEDGLOBALCOM, INC.
             (Exact name of registrant as specified in its charter)


               DELAWARE                                    84-1602895
(State of incorporation or organization)       (IRS Employer Identification No.)


4643 SOUTH ULSTER STREET, SUITE 1300
            DENVER, COLORADO                                  80237
(Address of principal executive offices)                   (Zip Code)


SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

     TITLE OF EACH CLASS                     NAME OF EACH EXCHANGE ON WHICH
     TO BE SO REGISTERED                     EACH CLASS IS TO BE REGISTERED

            NONE                                         NONE


If this Form relates to the registration of a class of securities pursuant to
Section 12(b) of the Exchange Act and is effective pursuant to General
Instruction A.(c), check the following box. / /

If this Form relates to the registration of a class of securities pursuant to
Section 12(g) of the Exchange Act and is effective pursuant to General
Instruction A.(d), check the following box. / / (Registration under Section
12(g) is effective pursuant to Rule 12g-3(a). See Introductory Note)

Securities Act registration statement file number to which this Form relates:
333-55228

       SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

                 CLASS A COMMON STOCK, PAR VALUE $0.01 PER SHARE
                 -----------------------------------------------
                                (Title of class)



                                INTRODUCTORY NOTE

The Class A Common Stock, par value $0.01 per share, of the Company was deemed
to be registered under the Securities Exchange Act of 1934, as amended, by
action of Rule 12g-3(a) immediately upon the consummation on January 30, 2002 of
the merger of a wholly-owned subsidiary of the Company with and into UGC
Holdings, Inc., a Delaware corporation that prior to such merger was called
"UnitedGlobalCom, Inc."

ITEM 1. DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED.

For information about the Class A Common Stock, par value $0.01 per share, of
the Company, please see the information contained under the heading "Chapter
IV--Information About New United, Description of New United Capital Stock" in
the prospectus filed by the Company with the Securities and Exchange Commission
(the "Commission") pursuant to Rule 424(b) on January 2, 2002, and deemed a part
of the Company's Registration Statement on Form S-4 filed with the Commission on
February 8, 2001 (File No. 333-55228), as amended, which information is hereby
incorporated by reference.

ITEM 2. EXHIBITS.

Listed below are all exhibits filed as a part of this registration statement:

1.   The specimen of the Class A Common Stock Certificate.(1)
2.   Restated Certificate of Incorporation of the Registrant.(2)
3.   Bylaws of the Registrant.(3)

- --------------
(1)  Incorporated by reference from Exhibit 4.1 to the Registrant's Registration
     Statement on Form S-4 filed with the Commission on February 8, 2001 (File
     No. 333-55228), as amended.

(2)  Incorporated by reference from Exhibit 3.1 to the Registration Statement on
     Form S-1 (Registration No. 333-82776) filed by the Registrant on February
     14, 2002.

(3)  Incorporated by reference from Exhibit 3.2 to the Registration Statement on
     Form S-1 (Registration No. 333-82776) filed by the Registrant on February
     14, 2002.


The above-referenced documents filed as exhibits to the above-referenced
Registration Statements are hereby incorporated by reference pursuant to Rule
12b-32 of the Securities Exchange Act of 1934.



                                    SIGNATURE

     Pursuant to the requirements of Section 12 of the Securities Exchange Act
of 1934, the registrant has duly caused this registration statement to be signed
on its behalf by the undersigned, thereto duly authorized.


                                        UNITEDGLOBALCOM, INC.


                                        By: /s/ Frederick G. Westerman III
                                            -----------------------------------
                                            Frederick G. Westerman III
                                            CHIEF FINANCIAL OFFICER


Date: March 4, 2002