<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
ARTHUR J. GALLAGHER & CO. CONSOLIDATED FINANCIAL STATEMENTS INCLUDED IN THE 1996
SECOND QUARTER FORM 10Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   6-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               JUN-30-1996             JUN-30-1995
<CASH>                                         104,292                 132,118
<SECURITIES>                                    52,127                  45,396
<RECEIVABLES>                                  205,855                 197,480
<ALLOWANCES>                                     (720)                   (777)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                               386,078                 386,835
<PP&E>                                          70,960                  67,839
<DEPRECIATION>                                (47,282)                (45,356)
<TOTAL-ASSETS>                                 497,655                 500,800
<CURRENT-LIABILITIES>                          376,476                 382,843
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        15,280                  15,543
<OTHER-SE>                                      95,337                  89,773
<TOTAL-LIABILITY-AND-EQUITY>                   497,655                 500,800
<SALES>                                        194,301                 185,957
<TOTAL-REVENUES>                               203,300                 192,283
<CGS>                                          112,546                 108,441
<TOTAL-COSTS>                                  112,546                 108,441
<OTHER-EXPENSES>                                67,617                  64,753
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                                 23,137                  19,089
<INCOME-TAX>                                     7,867                   6,774
<INCOME-CONTINUING>                             15,270                  12,315
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    15,270                  12,315
<EPS-PRIMARY>                                      .92                     .75
<EPS-DILUTED>                                      .92                     .75