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                                                                   EXHIBIT 10.29

                           DEALERTRACK HOLDINGS, INC.
                      EMPLOYEES' DEFERRED COMPENSATION PLAN

                          EFFECTIVE AS OF JUNE 30, 2005

            The DealerTrack Holdings, Inc. Employees' Deferred Compensation Plan
(as it may be amended from time to time, the "Plan") has been adopted by
DealerTrack Holdings, Inc., a corporation organized under the laws of the state
of Delaware (the "Company"), effective as of June 30, 2005 (the "Effective
Date"), for the benefit of certain of its employees.

            The Plan is a nonqualified deferred compensation plan pursuant to
which the Company (as hereinafter defined) and its affiliates may defer
compensation on behalf of certain employees. The Plan is maintained primarily
for the purpose of providing deferred compensation for a select group of
management or highly compensated employees, within the meaning of Sections
201(2), 301(a)(3) and 401(a)(1) of the Employee Retirement Income Security Act
of 1974, as amended.

                                   ARTICLE I.
                                   DEFINITIONS

            Section 1.1 "Account" shall mean the bookkeeping account created by
the Company pursuant to Article III of this Plan in accordance with an election
by an Employee to receive deferred cash compensation under Article II hereof.

            Section 1.2 "Board" shall mean the Board of Directors of the
Company.

            Section 1.3 "Bonus" shall mean any annual or periodic cash bonus or
compensation, other than base salary, received by an Employee, including,
without limitation, any payments received pursuant to the DealerTrack Holdings,
Inc. Senior Executive Incentive Bonus Plan.

            Section 1.4 "Change in Control" shall mean any change in the
ownership or effective control of the Company, or in the ownership of a
substantial portion of the assets of the Company, as described in Section
409A(a)(2)(A)(v) of the Code or any other "Change in Control Event" as defined
in accordance with Department of Treasury guidance promulgated pursuant to
Section 409A, including without limitation Notice 2005-1 and such other
interpretive guidance as may be issued after the Effective Date.

            Section 1.5 "Code" shall mean the Internal Revenue Code of 1986, as
amended.

            Section 1.6 "Committee" shall mean the Compensation Committee of the
Board.

            Section 1.7 "Common Stock" shall mean the common stock of the
Company, par value $0.01 per share.

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            Section 1.8 "Company" shall have the meaning set forth in the
recitals hereto.

            Section 1.9 "Deferral Election Form" shall have the meaning set
forth in Section 2.3.

            Section 1.10 "Deferred Bonuses" shall have the meaning set forth in
Section 3.1.

            Section 1.11 "Deferred Stock Unit" shall mean the right of an
Employee to receive one share of Common Stock upon a distribution of his Account
in accordance with Article IV.

            Section 1.12 An Employee shall be "Disabled" if such Employee (a) is
unable to engage in any substantial gainful activity by reason of any medically
determinable physical or mental impairment which can be expected to result in
death or can be expected to last for a continuous period of not less than 12
months, or (b) is, by reason of any medically determinable physical or mental
impairment which can be expected to result in death or can be expected to last
for a continuous period of not less than 12 months, receiving income replacement
benefits for a period of not less than 3 months under an accident and health
plan covering employees of the Employer. The Committee shall have full and final
authority, which shall be exercised in its discretion, to determine conclusively
whether an Employee is Disabled, and shall make such determination consistent
with Section 409A.

            Section 1.13 "Effective Date" shall have the meaning set forth in
the recitals hereto.

            Section 1.14 "Employee" shall mean a person who is an employee of
any Employer and who is a member of a select group of management or highly
compensated employees, within the meaning of Sections 201(2), 301(a)(3) and
401(a)(1) of the Employee Retirement Income Security Act of 1974, as amended.

            Section 1.15 "Employer" shall mean the Company and any of its
subsidiaries that are selected by the Board to participate in the Plan.

            Section 1.16 "Fair Market Value" means, as of any given date, (a) if
Common Stock is traded on an exchange, the closing price of a share of Common
Stock as reported in the Wall Street Journal for the first trading date
immediately prior to such date during which a sale occurred; or (b) if Common
Stock is not traded on an exchange but is quoted on NASDAQ or a successor or
other quotation system, (i) the last sales price (if Common Stock is then listed
as a National Market Issue under the NASD National Market System) or (ii) the
mean between the closing representative bid and asked prices (in all other
cases) for the Common Stock on the date immediately prior to such date on which
sales prices or bid and asked prices, as applicable, are reported by NASDAQ or
such successor quotation system; or (c) if Common Stock is not publicly traded,
the fair market value established by the Board acting in good faith.

            Section 1.17 "Fund" shall have the meaning set forth in Section 3.4.

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            Section 1.18 "Plan" shall have the meaning set forth in the recitals
hereto.

            Section 1.19 "Plan Year" shall mean calendar year.

            Section 1.20 "Performance-Based Compensation" shall mean
performance-based compensation payable to the Employee based on services
performed over a period of at least twelve months, determined in accordance with
Section 409A.

            Section 1.21 "Section 409A" shall mean Section 409A of the Code and
Department of Treasury regulations and other interpretive guidance issued
thereunder, including without limitation Notice 2005-1 and any regulations or
other interpretive guidance as may be issued after the Effective Date.

            Section 1.22 "Separation from Service" of an Employee means his or
her "separation from service," with respect to the Employers, within the meaning
of Section 409A(a)(2)(A)(i) of the Code, as determined by the Secretary of the
Treasury. The Committee shall have full and final authority, which shall be
exercised in its discretion, to determine conclusively whether an Employee has
had a "Separation from Service," and the date of such "Separation from Service."

            Section 1.23 An Employee shall be a "Specified Employee" if such
Employee is a key employee (as defined in Section 416(i) of the Code without
regard to paragraph (5) thereof) of the Company and the Company has any stock
that is publicly traded on an established securities market or otherwise, as
determined in accordance with Section 409A (including without limitation Section
409A(a)(2)(B)(i) of the Code).

            Section 1.24 "Unforeseeable Emergency" shall mean a severe financial
hardship to the Employee resulting from an illness or accident of the Employee,
the Employee's spouse, or a dependent (as defined in Section 152(a) of the Code)
of the Employee, loss of the Employee's property due to casualty, or other
similar extraordinary and unforeseeable circumstances arising as a result of
events beyond the control of the Employee. The Committee shall have full and
final authority, which shall be exercised in its discretion, to determine
conclusively whether an Employee has experienced an "Unforeseeable Emergency,"
and shall make such determination consistent with Section 409A.

                                  ARTICLE II.
                                ELECTION TO DEFER

            Section 2.1 Initial Elections. An Employee may elect, on or before
December 31 of any Plan Year, to defer payment of all or a specified part of any
Bonuses earned during the Plan Year following such election (and, to the extent
set forth in Section 2.2, in any succeeding Plan Years until the Employee ceases
to be a Employee); provided, however, that with respect to Plan Year 2005 an
Employee may elect, within thirty (30) days after the Effective Date, to defer
all or a specified part of all Bonuses payable with respect to services rendered
after the date of the Employee's initial election. Any person who shall become
an Employee during any Plan Year, and who was not an Employee of the Company on
the preceding December 31, may elect, no later than thirty (30) days after the
Employee becomes eligible to participate in the Plan, to

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defer payment of all or a specified part of such Bonuses payable with respect to
services rendered during the remainder of such Plan Year (and, to the extent set
forth in Section 2.2, for any succeeding Plan Years until the Employee ceases to
be an Employee). Any Bonuses deferred pursuant to this Paragraph shall be paid
to the Employee at the time(s) and in the manner specified in Article IV hereof,
as designated by the Employee.

            Section 2.2 Subsequent Elections. With respect to Plan Years
following Plan Year 2005, if an Employee fails to submit a Deferral Election
Form by December 31 of the Plan Year immediately prior to such Plan Year, the
amount of the deferral election for such Plan Year shall be zero; provided,
however, that, to the extent permitted by Section 409A, a Deferral Election Form
may provide that that the election shall continue from Plan Year to Plan Year
unless the Employee terminates it by written request delivered to the Company's
Secretary prior to the commencement of the Plan Year for which the termination
is first effective.

            Section 2.3 Deferral Election Form. The election to participate in
the Plan and manner of payment shall be designated by submitting a deferral
election form in substantially the form attached hereto as Exhibit A (as it may
be revised from time to time, the "Deferral Election Form") to the Company's
Secretary.

            Section 2.4 Limitations on Re-Deferrals. In the event that a
Deferral Election Form permits, under a subsequent election by the Employee to
delay a distribution, or to change the form of distribution, such subsequent
election shall satisfy the requirements of Section 409A (including without
limitation Section 409A(a)(4)(C) of the Code), and:

            (a) Such subsequent election may not take effect until at least
twelve (12) months after the date on which the election is made;

            (b) In the case such subsequent election relates to a distribution
or payment not described in Section 4.1(b), (c) or (f), the first payment with
respect to such election may be deferred for a period of not less than five (5)
years from the date such distribution or payment otherwise would have been made;
and

            (c) In the case such subsequent election relates to a distribution
or payment described in Section 4.1(d), such election may not be made less than
twelve (12) months prior to the date of the first scheduled distribution or
payment under Section 4.1(d).

            Section 2.5 Performance-Based Compensation. Notwithstanding any
provision of the Plan to the contrary, the Committee may, in its sole
discretion, determine that an Employee may elect to irrevocably defer all or a
portion of any Performance Based Compensation such Employee may be entitled to
receive, provided that such election is made no later than six months before the
end of the performance period relating to such Performance-Based Compensation.

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                                  ARTICLE III.
                         DEFERRED COMPENSATION ACCOUNTS

            Section 3.1 Bookkeeping Accounts. The Company shall maintain
separate bookkeeping accounts for the Bonuses deferred by each Employee (the
"Deferred Bonuses").

            Section 3.2 Deferred Stock Units. As of the date that any Deferred
Bonuses would otherwise have been payable to an Employee, the Company shall
credit such Employee's Account with that number of Deferred Stock Units equal to
the ratio of (a) the aggregate value of such Deferred Bonuses, to (b) the Fair
Market Value per share of Common Stock as of such date.

            Section 3.3 Dividends. As of the date the Company pays any dividend
(whether in cash or in kind) on shares of Common Stock, each Employee's Deferred
Compensation Account shall be credited with that number of Deferred Stock Units
equal to the ratio of (a) the aggregate value of the dividend that would have
been payable on the Deferred Stock Units held by the Employee immediately prior
to such payment date had the shares of Common Stock represented by such Deferred
Stock Units been outstanding as of such payment date to (b) the Fair Market
Value per share of Common Stock as of such date.

            Section 3.4 Unsecured General Creditor; Fund. Deferred Bonuses and
any deemed earnings with respect thereto shall be held in the general assets of
the Company and no separate fund or trust shall be created or moneys set aside
on account of the Account. To the extent that any person acquires a right to
receive distributions from the Company under the Plan, such right shall be no
greater than the right of any unsecured general creditor of the Company.
Notwithstanding the foregoing, the Committee, in its discretion, may elect to
establish a fund (the "Fund") containing assets equal to the amounts credited to
Employees' Accounts, and may elect in its discretion to designate a trustee to
hold the Fund in trust; provided, however, that such Fund shall remain a general
asset of the Company subject to the rights of creditors of the Company in the
event of the Company's bankruptcy or insolvency as defined in any such trust.

                                  ARTICLE IV.
                        PAYMENT OF DEFERRED COMPENSATION

            Section 4.1 Distributions. Subject to Sections 4.1(a)-(f) and 4.2,
amounts contained in an Employee's Account shall be distributed as the
Employee's election (made pursuant to Section 2.3) shall provide.
Notwithstanding the foregoing, all amounts contained in an Employee's account
shall be distributed in accordance with the requirements of Section 409A
(including without limitation Section 409A(a)(2) of the Code), and shall not be
distributed earlier than:

            (a) The date of the Employee's Separation from Service;

            (b) The date the Employee becomes Disabled;

            (c) The date of the Employee's death;

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            (d) A specified time (or pursuant to a fixed schedule) specified
under the Deferral Election Form at the date of the deferral compensation;

            (e) To the extent provided by the Secretary of the Treasury, a
Change in Control; or

            (f) The occurrence of an Unforeseeable Emergency with respect to the
Employee. The requirement of this Section 4.1(f) shall be met only if, as
determined under Treasury Regulations under Section 409A(a)(2)(B)(ii) of the
Code, the amounts distributed with respect to the Unforeseeable Emergency do not
exceed the amounts necessary to satisfy such Unforeseeable Emergency plus
amounts necessary to pay taxes reasonably anticipated as a result of the
distribution, after taking into account the extent to which such Unforeseeable
Emergency is or may be relieved through reimbursement or compensation by
insurance or otherwise or by liquidation of the Employee's assets (to the extent
the liquidation of such assets would not itself cause severe financial
hardship).

            Section 4.2 Specified Employee. If at the time any distributions
would otherwise be made to an Employee pursuant to Section 4.1(a) the Employee
is a Specified Employee, the requirement of paragraph 4.1(a) shall be met only
if the distributions may not be made before the date which is six months after
the Employee's Separation from Service (or, if earlier, the date of the
Employee's death).

            Section 4.3 Form of Distribution. All distributions from the Plan
shall be made in the form of whole shares of Common Stock with fractional shares
paid in cash.

            Section 4.4 No Acceleration. The time or schedule of any
distribution of any shares of Common Stock shall not be accelerated, except as
otherwise permitted under Section 409A (including without limitation Section
409A(a)(3) of the Code).

            Section 4.5 Beneficiary Designation. Each Employee shall have the
right to designate a beneficiary who is to succeed to his or her right to
receive payments hereunder in the event of death. Except as may otherwise be
provided in any Deferral Election Form, in the event of the Employee's death,
the balance of the amounts contained in the Employee's Account shall be paid, in
accordance with Section 4.1, to the Employee's or former Employee's beneficiary
(or if no beneficiary has been designated, to his estate) in full on the first
day of the Plan Year following the Plan Year in which he or she dies. No
designation of beneficiary or change in beneficiary shall be valid unless it is
in writing signed by the Employee and filed with the Company's Secretary.

                                   ARTICLE V.
                            ADMINISTRATION; AMENDMENT

            Section 5.1 Administration. The Plan shall be administered by the
Committee. The Committee may delegate certain administrative authority to a
subcommittee of the Committee or to one or more employees of the Company, but
shall retain the ultimate responsibility for the interpretation of, and
amendments to, the Plan. Members of the Committee shall not be liable for any of
their actions or determinations made in good faith with respect to

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the administration of the Plan. Except to the extent superseded by the laws of
the United States, the laws of the State of Delaware, without regard to its
conflict of laws principles, shall govern in all matters relating to the Plan.
All expenses related to plan administration shall be paid by the Company. All
decisions made by the Committee with respect to issues hereunder shall be final
and binding on all parties.

            Section 5.2 Change in Capitalization of the Company. In the event of
any stock dividend, stock split, combination or exchange of shares, merger,
consolidation, spin-off, recapitalization or any other corporate event affecting
the Common Stock or the share price of the Common Stock, the Committee may, in
its sole discretion, make such equitable adjustments, if any, with respect to
the Employees' Accounts (including, without limitation, adjusting the number of
Deferred Stock Units credited thereto and/or the kind of securities represented
thereby), as the Committee may deem necessary or appropriate to prevent dilution
or enlargement of the benefits or potential benefits intended to be made
available under this Plan and to reflect such changes.

            Section 5.3 Nonassignability. Except to the extent required by law,
the right of any Employee or any beneficiary to any benefit or to any payment
hereunder shall not be subject in any manner to attachment or other legal
process for the debts of such Employee or beneficiary, and any such benefit or
payment shall not be subject to alienation, sale, transfer, assignment or
encumbrance.

            Section 5.4 Amendment. The Plan may be amended, suspended or
terminated in whole or in part from time to time by the Committee except that,
except as set forth in Section 5.5, no amendment, suspension, or termination
shall apply to the payment to any Employee or beneficiary of a deceased Employee
of any amounts previously credited to a Employee's Account.

            Section 5.5 Section 409A. The Plan and Deferral Election Form shall
be interpreted in accordance with, and shall comply in form and operation with,
Section 409A. Notwithstanding any provision of the Plan to the contrary, the
Committee may adopt such amendments to the Plan and the applicable Deferral
Election Form or adopt other policies and procedures (including amendments,
policies and procedures with retroactive effect), or take any other actions,
that the Committee determines are necessary or appropriate to (a) exempt the
deferral from Section 409A of the Code and/or preserve the intended tax
treatment of the benefits provided with respect to the deferral, or (b) comply
with the requirements of Section 409A (including without limitation any related
Department of Treasury guidance).

                                    * * * * *

            I hereby certify that the Plan was adopted by the Board of Directors
of DealerTrack Holdings, Inc. on May 26, 2005, effective as of June 30, 2005.

                                                       _________________________
                                                       Eric D. Jacobs, Secretary

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