Document:

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                                                                    EXHIBIT 10.4

                                       [AVANADE LOGO]
                                       /SYSTEMS.SOLUTIONS.SUCCESS/FROM ACCENTURE
                                       & MICROSOFT

                                       2211 Elliott Avenue
                                       Seattle, Washington 98121
                                       Tel: 1 206 239 5600
                                       Fax: 1 206 239 5605

March 2, 2001

Adam Warby
2211 Elliott
Seattle, Washington, 98121

Dear Adam:

Avanade is excited to offer you the opportunity to join our company in the
position of Vice President of Sales and Marketing effective March 5, 2001. We
trust you will treat the details of this offer with utmost confidentiality.

As an Avanade employee, your compensation and benefits package will be as
follows:

CASH COMPENSATION

      BASE SALARY:                     $200,000 per year payable two times per
                                       month. The merit review schedule for
                                       Avanade employees has not yet been
                                       established. All salary increases will be
                                       based on performance.

      INCENTIVE OPPORTUNITY:           An additional amount of up to 40% of your
                                       base salary is available to you in your
                                       first year with Avanade contingent upon
                                       your performance. Mitch Hill, CEO, will
                                       define your incentive plan.

      STOCK OPTIONS:                   We will recommend to the Board of
                                       Directors ("Board") that you receive an
                                       option to purchase a total of 236,250
                                       shares of Avanade stock at a price to be
                                       determined by the Board at the time of
                                       the grant. In addition, 78,750 stock
                                       options have been reserved for you. These
                                       additional options will be available for
                                       award after you have been with Avanade
                                       for one year and will be based on
                                       individual, team and company performance.
                                       All options will vest 25% after you have
                                       been at Avanade for one year and l/48th
                                       per month for the following 36 months
                                       thereafter (a four year vesting
                                       schedule).

      FOUNDERS STOCK                   100,000 shares at a price to be
                                       determined by the Board.

                                       In addition to the above vesting
                                       schedule, your options, whether vested or
                                       unvested, will be terminated and
                                       forfeited in full if your employment
                                       terminates other than

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                                              /SYSTEMS.SOLUTIONS.SUCCESS/FROM
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                                       for your death or disability prior to the
                                       earliest of an IPO, July 1, 2005 or
                                       certain changes of control.

                                       The options as recommended are subject to
                                       Board approval and will be subject to the
                                       stock option agreement and the Company's
                                       stock option plan as approved by the
                                       Board.

      HEALTH BENEFITS                  You will be eligible for all health
                                       benefits available to any other Avanade
                                       employee, starting on your first day of
                                       employment.

                                       The benefit plan includes medical with
                                       vision, dental, life, dependent life,
                                       disability, 401(k) with company match of
                                       100% up to 6% of base salary, flexible
                                       spending accounts, and an Employee
                                       Assistance Program.

      VACATION                         You will be eligible to accrue 20
                                       vacation days per year. Accrual begins
                                       upon hire. In order to make vacation days
                                       available to you from your date of hire,
                                       Avanade will allow you to take up to 10
                                       vacation days during your first six
                                       months, as a vacation credit from your
                                       annual allotment, in advance of actually
                                       accruing such vacation. In the event your
                                       employment terminates before you have
                                       accrued all the vacation days you have
                                       actually used, you agree that Avanade may
                                       withhold and deduct from your final
                                       paycheck the pay associated with the
                                       vacation days used, but not accrued.

      EXTENDED BENEFITS                Avanade may offer additional benefits to
                                       support a work/life balance whereby
                                       Avanade will pay for additional items for
                                       you ("Extended Benefits Expenses"). If
                                       for any reason your employment terminates
                                       prior to your first anniversary of
                                       employment, you agree that, within 30
                                       days of your departure, you will repay to
                                       Avanade the Extended Benefits Expenses,
                                       and that Avanade may withhold and deduct
                                       from your final paycheck any portion you
                                       are required to repay hereunder.

      TERMS                            This offer letter is not a contract of
                                       employment for any specific or minimum
                                       term. The employment Avanade offers you
                                       is terminable at will. This means that
                                       our employment relationship is voluntary
                                       and based on mutual

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                                                 /SYSTEMS.SOLUTIONS.SUCCESS/FROM
                                                 ACCENTURE & MICROSOFT

                                       consent. You may resign your employment,
                                       and Avanade likewise may terminate your
                                       employment, at any time, for any reason,
                                       with or without cause or notice. Any
                                       prior oral or written representations to
                                       the contrary are void, and any future
                                       representations to the contrary are also
                                       void and should not be relied upon unless
                                       they are contained in a formal written
                                       employment contract signed by an officer
                                       of Avanade and expressly stating the
                                       company's intent to modify the at-will
                                       nature of your employment.

This offer is contingent on your providing Avanade with proof of U.S.
citizenship or legal authorization to work in the United States, the successful
completion of a background investigation, and your entering into a Business
Protection Agreement with Avanade.

We have enclosed a Business Protection Agreement for your review and signature.
If the terms outlined in this letter are acceptable, please sign two originals
of the letter and the enclosed Business Protection Agreement and return one
signed original of each to us. You may retain the other originals for your
records.

We look forward to your contribution to the success of Avanade and hope you will
agree to join us. Should you have any questions, please call me at (206)
239-5760.

Sincerely,                                      ACCEPTANCE:
Avanade Inc.

/s/ Mitch Hill                                  /s/ [ILLEGIBLE]
---------------                                 -----------------------------
Mitch Hill                                      Signature
CEO

                                                3/15/2001
                                                ---------
                                                   Date
Enclosures

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                                                                    EXHIBIT 10.5

                               [AVANADE LOGO]
                               /SYSTEMS.SOLUTIONS.SUCCESS/FROM
                               ACCENTURE & MICROSOFT

                               2211 Elliott Avenue
                               Seattle, Washington 98121
                               Tel: 1206 239 5600
                               Fax: 1206 239 5605

                                 AVANADE UK LTD

                       PARTICULARS OF TERMS OF EMPLOYMENT
                                  FEBRUARY 2002

NAME OF EMPLOYEE:                   Andrew White

NAME OF EMPLOYER:                   Avanade UK Ltd
                                    2nd Floor
                                    135-141 Wardour Street
                                    London
                                    WIFOUT

SKILL FAMILY/CAREER LEVEL:          General Manager Executive

DATE EMPLOYMENT COMMENCED:          September 7th 2000

/s/ Mitch Hill                     5-March-2002
---------------                    --------------------------
Mitch Hill, CEO                    (Date)
(for and on behalf of Avanade)

I, the undersigned, hereby acknowledge that I have read and accept the
particulars of employment outlined in this document and understand that this
employment is subject to Avanade's Policies and Procedures, which are available
on Avanade's intranet site.

/s/Andrew White                    10 May 2002
--------------------               -------------------------
(SIGNATURE)                        (Date)

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1.0   SKILL FAMILY/ CAREER LEVEL

      Your Skill Family is General Manager and your Career Level is Executive.
      However, the nature of Avanade's business demands that you are flexible in
      your approach to work and you will be expected to undertake such other
      duties appropriate to your level as may be allocated to you.

2.0   PLACE OF WORK

      Your normal place of work shall be any of Avanade's premises within a 50
      mile radius of Central London.

      Notwithstanding this, it is acknowledged that during the course of your
      employment you shall be involved in project assignments as part of your
      duties. These assignments may take place in locations outside of London.
      As a result, in the course of any of these project assignments with which
      you are involved, you agree that your normal place of work shall be at any
      of Avanade's premises or Avanade's clients' premises as Avanade shall
      decide and for such duration as Avanade shall decide. For this purpose,
      you may be required by Avanade to work outside the UK. All employees of
      Avanade working overseas do so in accordance with the provisions of the
      International Assignment Policy.

      For the purposes of performing your duties, you shall at the expense of
      Avanade undertake such journeys in the UK and abroad, as Avanade shall
      require.

3.0   SALARY AND INCENTIVE PAY

      Your basic salary will be (pound)240,000 per annum, which will be paid
      monthly in arrears in twelve equal amounts, normally on or about the last
      day of each month through the payroll. Salaries are reviewed in October
      each year. There will be no obligation on Avanade to increase salaries.
      All salary increases will be based on your performance

      You will be eligible to receive an additional amount of up to 40% of your
      annual base salary, as Avanade may in its absolute discretion decide,
      every year. The amount, if any, of the additional payment will be
      contingent upon your performance and your personal contribution to
      Avanade's business. Your incentive plan will be defined by Mitch Hill,
      CEO.

4.0   STOCK OPTIONS

      You will be eligible for membership of Avanade's stock option scheme.
      Details of the terms of the scheme will be provided to you in due course.

      You will also be eligible for a Founders' Stock Grant, details of which
      will be provided to you in due course.

5.0   HEALTH BENEFITS

      You will be entitled to reimbursement of fees associated with membership
      of the VHI health scheme in Ireland. You should pay any fees yourself and
      expense the costs through the WITWAY time and expense process.

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6.0   PENSION

      Avanade operates a pension scheme. All employees over 18 and who have been
      continuously employed by Avanade for 3 months or more, shall be eligible
      to become a member of such scheme during their employment, subject to the
      rules of such scheme from time to time in force. Avanade intends to
      provide the following benefit on a double match principle:

            - Age 18-29: Avanade shall contribute a maximum 3% of annual salary
              into the pension scheme on the basis that the employee contributes
              l 1/2% of annual salary;

            - Age 30-39: Avanade 7%/employee 3 1/2%;

            - Age 40+: Avanade 10%/employee 5%

      If the employee wishes to increase his/her contribution level in line with
      Inland Revenue limits, he/she may do so; however, the employer:
      contributions are kept at the level stated above.

7.0   EXTENDED BENEFITS PROGRAMME

      This benefit is to enable employees to purchase items to assist with day
      to day work efficiency and items purchased are to be used for work
      related/business purposes as well as other purposes that support a
      work/life balance. The allowance will be as discussed and agreed by
      management Should an employee commence employment part way through an
      allowance period, their allowance will be pro-rated accordingly. This
      allowance is subject to review. In the event that employment is terminated
      for any reason (voluntary or involuntary) within 12 months of commencement
      of employment, employees are liable for all items purchased under this
      plan and the sum owed will be deducted from the employee's final salary.
      For full details of this programme, please see the employee handbook.

8.0   GROUP LIFE ASSURANCE

      Upon  commencement of employment, you will be included in the group life
      assurance scheme equal to four times your basic annual salary subject to
      the rules of the scheme from time to time in force. Rules can be obtained
      from the People Support department.

9.0   EXPENSES

      You will be reimbursed for all expenses reasonably and properly incurred
      in carrying out Avanade's business.

10.0  HOURS

      Your normal working hours are 8:30 a.m. to 5:30 p.m., Monday to Friday
      with one hour per day for lunch. However, you are required to work such
      extra hours as may be reasonably required to perform your duties. You will
      not be paid for any overtime work. You agree to work longer than 48 hours
      a week on average whenever necessary for the proper discharge of your
      duties or in any event as may be required by Avanade. You are entitled to
      withdraw your agreement by giving 3 months' prior written notice so
      Avanade.

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11.0  HOLIDAY

      You are entitled to 25 days paid holiday each holiday year exclusive of
      public holidays. In your first year your holiday entitlement will be
      pro-rated accordingly. Accrual will begin on hire at a rate of 2.08 days
      per month. In order to make holiday available from date of commencement of
      employment, Avanade will allow you to take up to 10.5 days holiday during
      their first 5 months as a holiday credit from your annual entitlement in
      advance of actually accruing such holiday. As holiday accrues, your
      holiday balance will be charged until the unaccrued time actually used is
      recovered. Avanade's holiday year is based on the calendar year. You may
      carry up to 5 days unused basic holiday entitlement forward to the
      subsequent holiday year; any further days carried over shall be entirely
      at the discretion of Avanade.

      If, when your employment ends, the number of days of holidays which you
      have taken in the relevant year differs from your accrued entitlement,
      then a payment for the number of days' difference will be either paid to
      you or refunded by you depending on whether the amount actually taken is
      less or greater than your entitlement.

12.0  DEDUCTIONS FROM PAY

      If at any time money is owed and payable by you to Avanade, whether under
      your contract of employment or otherwise, it is agreed that Avanade may
      deduct the sum or sums owed to it from any sums payable to you from
      Avanade. Such deductions will only be made after you are notified. It is
      also agreed that you may be required to repay any such sum owing (or the
      balance remaining following such deductions as Avanade thinks fit) either
      immediately or on terms otherwise acceptable to Avanade.

13.0  PROBATIONARY PERIOD

      Your first three months of employment with Avanade will be probationary,
      during which both you and Avanade will be entitled to give and receive one
      weeks notice for termination of employment or Avanade may opt to terminate
      your employment forthwith and pay one weeks pay in lieu of notice. At the
      end of the three month probationary period, the notice period as stated in
      the section below entitled 'Notice Period' applies.

14.0  NOTICE PERIOD

      The period of notice required to terminate your employment is 12 weeks on
      either side. In the case of gross misconduct, Avanade reserves the right
      of summary dismissal.

      Once notice has been given by either side, Avanade may if it so chooses:

      (i)   terminate your employment forthwith on payment to you of an amount
            equal to your basic salary (subject to deduction of tax and national
            insurance) in lieu of your notice period or any unexpired portion
            thereof; or

      (ii)  require you for all or any part of your notice period to remain away
            from and have no contact with any premises, employees, customers,
            clients, agents or suppliers of Avanade, provided always that during
            any such period Avanade shall continue to pay your salary and
            provide all benefits to which you are entitled under your
            employment; or

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      (iii) terminate your employment forthwith without exercising its option to
            make a payment in lieu and any damages to which you may be entitled
            shall be calculated in accordance with ordinary common law
            principles including those relating to mitigation of loss.

15.0  SUSPENSION FROM EMPLOYMENT

      In order to investigate a complaint of misconduct made against you,
      Avanade shall be entitled to suspend you from your duties on full pay with
      full entitlement to other benefits to which you are entitled under your
      employment for so long as Avanade shall consider necessary in order to
      facilitate a proper investigation of such complaint and during such period
      of its suspension, Avanade shall be under no obligation to provide work
      for you and it may require you to stay away from and have no contact with
      any premises, employees, customers, clients, agents or suppliers of
      Avanade.

16.0  COLLECTIVE AGREEMENTS

      There are no collective agreements which affect the terms and conditions
      of your employment.

17.0  DATA PROTECTION ACT

      By signing this letter you consent to Avanade (and its associated
      companies) holding and processing, both electronically and manually, the
      data it collects relating to you in the course of your employment, for the
      purposes of Avanade's administration and management of its employees and
      its business and for compliance with applicable procedures, laws and
      regulations. Without prejudice to the generality of the foregoing, you
      explicitly consent to Avanade (and its associated companies) processing
      any sensitive personal data relating to you including without limitation
      any sick notes, medical reports and details of racial or ethnic origin,
      political opinions and religious beliefs.

      You also consent to the transfer, storage and processing of such data
      (including sensitive personal data) outside the European Economic Area,in
      particular to the United States of America and any other country in which
      Avanade or its associated companies have offices.

18.0  CONFIDENTIAL INFORMATION, INVENTIONS AND NON-COMPETITION

      We have enclosed a Confidential Information, Inventions and Noncompetitive
      Agreement for your review and signature, If the terms outlined in this
      document are acceptable, please sign two originals of the document and the
      enclosed Confidential Information, Inventions and Noncompetitive Agreement
      and return one executed original of each to us. You may retain the other
      originals for your records.

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