<PAGE>   1

                                                                 EXHIBIT 10.14



            AMENDMENT NO. 1 TO AMENDED AND RESTATED CREDIT AGREEMENT


         THIS AMENDMENT NO. 1 TO AMENDED AND RESTATED CREDIT AGREEMENT (this
"Amendment"), dated as of March 17, 1998, is entered into by and among PERSONNEL
GROUP OF AMERICA, INC. (the "Borrower"), CERTAIN SUBSIDIARIES OF THE BORROWER
IDENTIFIED ON THE SIGNATURES PAGES HERETO (the "Guarantors"), EACH PERSON
IDENTIFIED AS AN "EXISTING LENDER" ON THE SIGNATURE PAGES HERETO (the "Existing
Lenders"), EACH PERSON IDENTIFIED AS A "NEW LENDER" ON THE SIGNATURE PAGES
HERETO (the "New Lenders" and, together with the Existing Lenders, the
"Lenders") and NATIONSBANK, N.A., as agent for the Lenders (in such capacity,
the "Agent").

                              W I T N E S S E T H:

         WHEREAS, pursuant to an Amended and Restated Credit Agreement dated as
of June 23, 1997 (the "Existing Credit Agreement") among the Borrower, the
Guarantors, the Existing Lenders and the Agent, the Existing Lenders have
extended commitments to make certain credit facilities available to the
Borrower; and

         WHEREAS, the parties hereto have agreed to amend the Existing Credit
Agreement as set forth herein;

         NOW, THEREFORE, in consideration of the agreements herein contained,
the parties hereby agree as follows:


                                     PART I
                                   DEFINITIONS

                  SUBPART 1.1. Certain Definitions. Unless otherwise defined
         herein or the context otherwise requires, the following terms used in
         this Amendment, including its preamble and recitals, have the following
         meanings:

                           "Amended Credit Agreement" means the Existing Credit
                  Agreement as amended hereby.

                           "Amendment No. 1 Effective Date" is defined in
                  Subpart 4.1.

                  SUBPART 1.2. Other Definitions. Unless otherwise defined
         herein or the context otherwise requires, terms used in this Amendment,


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<PAGE>   2


         including its preamble and recitals, have the meanings provided in the
         Amended Credit Agreement.


                                     PART II
                           ASSIGNMENTS AND ASSUMPTIONS

         The Existing Lenders hereby sell and assign, without recourse, to the
Lenders, and the Lenders hereby purchase and assume, without recourse, from the
Existing Lenders, effective as of the Amendment No. 1 Effective Date, such
interests in the Existing Lenders' rights and obligations under the Existing
Credit Agreement (including, without limitation, the Commitments of the Existing
Lenders on the Amendment No. 1 Effective Date and the Loans owing to the
Existing Lenders which are outstanding on the Amendment No. 1 Effective Date) as
shall be necessary in order to give effect to the reallocations of the Committed
Amounts and Commitment Percentages effected by the amendment to Schedule 2.1(a)
to the Existing Credit Agreement pursuant to Subpart 3.6. Each of the Lenders
hereby makes and agrees to be bound by all the representations, warranties and
agreements set forth in Section 11.3(b) of the Existing Credit Agreement, except
that this Amendment shall serve in lieu of the assignment agreement referenced
in Section 11.3(b). From and after the Amendment No. 1 Effective Date (i) each
of the Lenders shall be a party to and be bound by the provisions of the Amended
Credit Agreement and, to the extent of the interests assigned hereby, have the
rights and obligations of a Lender thereunder and under the other Credit
Documents and (ii) each of the Existing Lenders shall, to the extent of the
interests assigned hereby, relinquish its rights and be released from its
obligations under the Existing Credit Agreement. The Agent shall record in the
register referred to in Section 11.3(c) of the Existing Credit Agreement on the
Amendment No. 1 Effective Date the information relating to the assignments and
assumptions effected pursuant to this Part II. The Agent hereby agrees (i) that
no transfer fee shall be payable under Section 11.3(b) of the Existing Credit
Agreement or otherwise in connection with the assignments effected pursuant to
this Part II and (ii) to pay to each Lender an amendment fee as separately
agreed to by the Agent and such Lender.


                                    PART III
                     AMENDMENTS TO EXISTING CREDIT AGREEMENT

         Effective on (and subject to the occurrence of) the Amendment No. 1
Effective Date, the Lenders agree with the Credit Parties that the Existing
Credit Agreement shall be amended in accordance with this Part III. Except as so
amended, the Existing Credit Agreement shall continue in full force and effect.

                  SUBPART 3.1. Amendment to Section 1.1. The pricing grid
         contained in the definition of "Applicable Percentage" set forth in
         Section




                                       2
<PAGE>   3

                  1.1 of the Existing Credit Agreement is hereby amended in its
                  entirety to read as follows:

<TABLE>
<CAPTION>
============================================================================================================================
                                                                                      Applicable
                                                                Applicable          Percentage for          Applicable
 Pricing                                                       Percentage for      Standby Letter of       Percentage for
  Level               Consolidated Leverage Ratio             Eurodollar Loans         Credit Fee            Unused Fee
----------------------------------------------------------------------------------------------------------------------------
<S>        <C>                                                <C>                  <C>                     <C>
    I      Less than 1.25:1.00                                    0.500%                0.500%                0.125%
----------------------------------------------------------------------------------------------------------------------------
   II      Greater than or equal to 1.25:1.00, but                0.750%                0.750%                0.150%
           less than 2.25:1.00
----------------------------------------------------------------------------------------------------------------------------
   III     Greater than or equal to 2.25:1.00, but                1.000%                1.000%                0.225%
           less than 3.00:1.00
----------------------------------------------------------------------------------------------------------------------------
   IV      Greater than or equal to 3.00:1.00, but                1.250%                1.250%                0.250%
           less than 3.50:1.00
----------------------------------------------------------------------------------------------------------------------------
    V      Greater than or equal to 3.50:1.00                     1.375%                1.375%                0.350%
============================================================================================================================
</TABLE>

                  SUBPART 3.2. Further Amendment to Section 1.1. The definition
         of "Permitted Acquisition" set forth in Section 1.1 of the Existing
         Credit Agreement is hereby amended in its entirety to read as follows:

                  "Permitted Acquisition" means:

                           (i) acquisitions by the Borrower or its Subsidiaries
                  of all or any portion of the capital stock or securities or
                  all, substantially all or any portion of the assets of any
                  Person engaged in a business or businesses substantially
                  similar to any business currently conducted by the Borrower or
                  any of its Subsidiaries, provided that (A) the purchase price
                  (including the fair market value of any capital stock of the
                  Borrower provided as a portion thereof) of any such
                  acquisition individually does not exceed 25% of Consolidated
                  Net Worth, (B) the purchase price (excluding the fair market
                  value of any capital stock of the Borrower provided as a
                  portion thereof) of any such acquisition individually does not
                  exceed 12.5% of Consolidated Net Worth, (C) no portion of the
                  purchase price of any such acquisition shall consist of any
                  stock other than common stock of the Borrower, (D) such
                  acquisition is approved by the board of directors of such
                  Person (if applicable or required), and (E) after giving
                  effect on a Pro Forma Basis to any such acquisition (including
                  but not limited to any Indebtedness to be incurred by the
                  Borrower or any of its Subsidiaries in connection therewith),
                  (1) no Default or Event of Default would exist hereunder and
                  (2) one of the following subclauses (x) or (y) is true: (x)


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                  either the Consolidated Leverage Ratio is less than or equal
                  to 3.25:1.00 and the Consolidated Senior Leverage Ratio is
                  less than or equal to 1.75:1.00 or (y) such acquisition occurs
                  prior to any follow-on equity issuance by the Borrower in an
                  amount of not less than $75,000,000, but in any event not
                  later than September 30, 1998, and either (I) such Person
                  being acquired is listed on Schedule 1.1D and neither the cash
                  payment at closing nor the scheduled contingent payment in
                  connection with such acquisition exceeds the applicable
                  maximum amount set forth on Schedule 1.1D or (II) the purchase
                  price of such acquisition, together with all other
                  acquisitions permitted pursuant to this subclause
                  (i)(E)(2)(y)(II) of the definition of Permitted Acquisition,
                  is not more than $25,000,000; and

                           (ii) any merger or consolidation permitted by Section
                  8.4(b).

                  As used herein, the "purchase price" of any acquisition shall
                  include, without duplication, the non-contingent purchase
                  price, all acquired liabilities, all non-compete payments and
                  the principal amount of any seller financing, but shall
                  exclude the contingent purchase price and all fees and
                  expenses.

                  SUBPART 3.3. Amendment to Section 2.1(a). The reference to
         "ONE HUNDRED TWENTY-FIVE MILLION DOLLARS ($125,000,000)" in Section
         2.1(a) of the Existing Credit Agreement is hereby replaced with a
         reference to "TWO HUNDRED MILLION DOLLARS ($200,000,000)".

                  SUBPART 3.4. Amendment to Section 7.11(b). Section 7.11(b) of
         the Existing Credit Agreement is hereby amended in its entirety to read
         as follows:

                  7.11     FINANCIAL COVENANTS.

                  * * *

                           (b) Consolidated Leverage Ratio. The Consolidated
                  Leverage Ratio as of the last day of each fiscal quarter shall
                  be no greater than:

<TABLE>
<S>                                                                                     <C>
                           From the Closing Date to, and including, the
                           last day of the third fiscal quarter of 1998                 4.25 : 1.00

                           At all times after the last day of the third fiscal
                           quarter of 1998                                              4.00 : 1.00
</TABLE>



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<PAGE>   5

                  SUBPART 3.5. Addition of Schedule 1.1D. A new Schedule 1.1D in
         the form of Schedule 1.1D attached hereto is hereby added to the
         Existing Credit Agreement.

                  SUBPART 3.6. Amendments to Schedule 2.1(a). Schedule 2.1(a) of
         the Existing Credit Agreement is hereby deleted in its entirety and a
         new schedule in the form of Schedule 2.1(a) attached hereto is
         substituted therefor.


                                     PART IV
                           CONDITIONS TO EFFECTIVENESS

                  SUBPART 4.1. Amendment No. 1 Effective Date. This Amendment
         shall be and become effective as of the date hereof (the "Amendment No.
         1 Effective Date") when all of the conditions set forth in this Subpart
         4.1 shall have been satisfied, and thereafter this Amendment shall be
         known, and may be referred to, as "Amendment No. 1."

                  SUBPART 4.1.1. Execution of Counterparts of Amendment. The
         Agent shall have received counterparts (or other evidence of execution,
         including telephonic message, satisfactory to the Agent) of this
         Amendment, which collectively shall have been duly executed on behalf
         of each of the Borrower, the Guarantors, the Agent and the Lenders.

                  SUBPART 4.1.2. Delivery of New Promissory Notes. The Agent
         shall have received from the Borrower new promissory notes for the
         Lenders in the amounts of their respective Commitments under the
         Amended Credit Agreement and substantially in the form of the original
         Notes under the Existing Credit Agreement (but with notation thereon
         that such Notes are given in substitution for and replacement of the
         original Notes).

                  SUBPART 4.1.3. Joinder of New Subsidiaries. The Agent shall
         have received from the Borrower, in form and substance satisfactory to
         the Agent, (a) a joinder agreement to the Amended Credit Agreement
         executed by all direct and indirect subsidiaries of the Borrower that
         are not parties to the Existing Credit Agreement (the "New
         Subsidiaries"), (b) an amendment to the pledge agreement whereby all of
         the capital stock of the New Subsidiaries is pledged to the Agent for
         the benefit of the Lenders and (c) such corporate authority documents,
         UCC financing statements and other documents as are reasonably
         requested by the Agent in connection with the foregoing.

                                       5


<PAGE>   6


                                     PART V
                                  MISCELLANEOUS

                  SUBPART 5.1. Cross-References. References in this Amendment to
         any Part or Subpart are, unless otherwise specified, to such Part or
         Subpart of this Amendment.

                  SUBPART 5.2. Instrument Pursuant to Existing Credit Agreement.
         This Amendment is a Credit Document executed pursuant to the Existing
         Credit Agreement and shall (unless otherwise expressly indicated
         therein) be construed, administered and applied in accordance with the
         terms and provisions of the Existing Credit Agreement.

                  SUBPART 5.3. References in Other Credit Documents. At such
         time as this Amendment shall become effective pursuant to the terms of
         Subpart 4.1, all references in the Credit Documents to the "Credit
         Agreement" shall be deemed to refer to the Credit Agreement as amended
         by this Amendment.

                  SUBPART 5.4. Representations and Warranties. The Borrower
         hereby represents and warrants that (i) the conditions precedent to the
         initial Loans were satisfied as of the Closing Date (assuming
         satisfaction of all requirements in such conditions that an item be in
         form and/or substance reasonably satisfactory to the Agent or any
         Lenders or that any event or action have been completed or performed to
         the reasonable satisfaction of the Agent or any Lenders), (ii) the
         representations and warranties contained in Section 6 of the Existing
         Credit Agreement (as amended by this Amendment) are correct on and as
         of the date hereof as though made on and as of such date and after
         giving effect to the amendments contained herein and (iii) no Default
         or Event of Default exists under the Existing Credit Agreement on and
         as of the date hereof and after giving effect to the amendments
         contained herein.

                  SUBPART 5.5. Liens. The Borrower and the Guarantors, as
         applicable, affirm the liens and security interests created and granted
         in the Credit Documents (including, without limitation, the Pledge
         Agreement) and agree that this Amendment shall in no manner adversely
         effect or impair such liens and security interests.

                  SUBPART 5.6. Acknowledgment of Guarantors. The Guarantors
         acknowledge and consent to all of the terms and conditions of this
         Amendment and agree that this Amendment and all documents executed in
         connection herewith do not operate to reduce or discharge the
         Guarantors' obligations under the Amended Credit Agreement or the other
         Credit Documents. The Guarantors further acknowledge and agree that the
         Guarantors have no claims, counterclaims, offsets,


                                       6


<PAGE>   7

         or defenses to the Credit Documents and the performance of the
         Guarantors' obligations thereunder or if the Guarantors did have any
         such claims, counterclaims, offsets or defenses to the Credit Documents
         or any transaction related to the Credit Documents, the same are hereby
         waived, relinquished and released in consideration of the Lenders'
         execution and delivery of this Amendment.

                  SUBPART 5.7. No Other Changes. Except as expressly modified
         and amended in this Amendment, all the terms, provisions and conditions
         of the Credit Documents shall remain unchanged and shall continue in
         full force and effect.

                  SUBPART 5.8. Counterparts. This Amendment may be executed by
         the parties hereto in several counterparts, each of which shall be
         deemed to be an original and all of which shall constitute together but
         one and the same agreement.

                  SUBPART 5.9. Governing Law. THIS AMENDMENT SHALL BE DEEMED TO
         BE A CONTRACT MADE UNDER AND GOVERNED BY THE INTERNAL LAWS OF THE STATE
         OF NORTH CAROLINA WITHOUT GIVING EFFECT TO THE CONFLICT OF LAW
         PRINCIPLES THEREOF.

                  SUBPART 5.10. Successors and Assigns. This Amendment shall be
         binding upon and inure to the benefit of the parties hereto and their
         respective successors and assigns.

         [The remainder of this page has been left blank intentionally]



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<PAGE>   8




         This Amendment No. 1 to Amended and Restated Credit Agreement is
executed as of the day and year first written above.

BORROWER:                           PERSONNEL GROUP OF AMERICA, INC.,
                                    a Delaware corporation

                                    By: /s/ Ken R. Bramlett, Jr.
                                       ---------------------------------------
                                    Name: Ken R. Bramlett, Jr.
                                         -------------------------------------
                                    Title:  Senior Vice President

GUARANTORS:                         STAFFPLUS, INC.,
                                    a Delaware corporation

                                    PFI CORP.,
                                    a Delaware corporation

                                    INFOTECH SERVICES, INC.,
                                    a North Carolina corporation

                                    BROUGHTON SYSTEMS, INC.,
                                    a Virginia corporation

                                    WORD PROCESSING PROFESSIONALS, INC.,
                                    a New York corporation

                                    LLOYD RITTER CONSULTING, INC.,
                                    a California corporation

                                    FRANKLIN-PIERCE ASSOCIATES, INC.,
                                    a Massachusetts corporation

                                    SCOTT-WAYNE ASSOCIATES, INC.,
                                    a Massachusetts corporation

                                    BAL ASSOCIATES, INC.,
                                    a California corporation

                                    CREATIVE CORPORATE STAFFING, INC.,
                                    a North Carolina corporation

                                    ADVANCED BUSINESS CONSULTANTS, INC.,
                                    a North Carolina corporation

                                    By: /s/ Ken R. Bramlett, Jr.
                                       ---------------------------------------
                                    Name: Ken R. Bramlett, Jr.
                                         -------------------------------------
                                    Title: Vice President of each of the 
                                           above-named Guarantors




<PAGE>   9


EXISTING
LENDERS:                            NATIONSBANK, N.A.,
                                    individually in its capacity as a Lender
                                    and in its capacity as Agent

                                    By: /s/ Mark D. Halmrast
                                       ---------------------------------------
                                    Name:   Mark D. Halmrast
                                    Title:  Vice President


                                    BANK OF AMERICA NATIONAL TRUST
                                    AND SAVINGS ASSOCIATION, AS SUCCESSOR
                                    BY MERGER TO BANK OF AMERICA ILLINOIS


                                    By: /s/ Michael J. McKenney
                                       ---------------------------------------
                                    Name: Michael J. McKenney
                                         -------------------------------------
                                    Title: Vice President
                                          ------------------------------------


                                    BANQUE PARIBAS


                                    By: /s/ Diane P. Helkowski
                                       ---------------------------------------
                                    Name: Diane P. Helkowski
                                         -------------------------------------
                                    Title: Vice President
                                          ------------------------------------


                                    By: /s/ Robert G. Carino
                                       ---------------------------------------
                                    Name: Robert G. Carino
                                         -------------------------------------
                                    Title: Vice President
                                          ------------------------------------


                                    COMERICA BANK


                                    By: /s/ Tamara J. Gurne
                                       ---------------------------------------
                                    Name: Tamara J. Gurne
                                         -------------------------------------
                                    Title: Vice President
                                          ------------------------------------



                                    CREDIT LYONNAIS ATLANTA AGENCY


                                    By: /s/ David M. Cawrse
                                       ---------------------------------------
                                    Name: David M. Cawrse
                                         -------------------------------------
                                    Title: First Vice President and Manager
                                          ------------------------------------



                          [Lender Signatures Continue]



<PAGE>   10

                                    THE FIRST NATIONAL BANK OF CHICAGO


                                    By: /s/ David T. McNeek
                                       ---------------------------------------
                                    Name: David T. McNeek
                                         -------------------------------------
                                    Title: Authorized Agent
                                          ------------------------------------



                                    PNC BANK, NATIONAL ASSOCIATION

                                    By: /s/ Robert J. Mitchell, Jr.
                                       ---------------------------------------
                                    Name: Robert J. Mitchell, Jr.
                                         -------------------------------------
                                    Title: Vice President
                                          ------------------------------------



                                    FIRST UNION NATIONAL BANK


                                    By: /s/ David Tratter
                                       ---------------------------------------
                                    Name: David Tratter
                                         -------------------------------------
                                    Title: Vice President
                                          ------------------------------------


NEW
LENDERS:                            WACHOVIA BANK, N.A.
       

                                    By: /s/ Sarah T. Warren
                                       ---------------------------------------
                                    Name: Sarah T. Warren
                                         -------------------------------------
                                    Title: Vice President
                                          ------------------------------------