Company:  OMNICOM GROUP INC (OMC)
Form Type:  10-K
Filing Date:  2/27/2009 
CIK:  0000029989 
Address:  437 MADISON AVE 
City, State, Zip:  NEW YORK, New York 10022 
Telephone:  (212) 415-3700 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$36.14  
Change: 
-0.04 (-0.11%)  
Trade Time: 
Nov 20  
Market Cap: 
$11.25B
Description of Business
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  FORM 10-K
    PART I
      Item 1. Business
        NAME AND TITLE
      Item 1A. Risk Factors
      Item 1B. Unresolved Staff Comments
      Item 2. Properties
      Item 3. Legal Proceedings
      Item 4. Submission of Matters to a Vote of Security Holders
    PART II
      Item 5. Market for Registrant's Common Equity, Related ...
      Item 6. Selected Financial Data
      Item 7. Management's Discussion and Analysis of Financial ...
        Financial Results from Operations - 2008 Compared with 2007
        Liquidity and Capital Resources
          BALANCE SHEET
      Item 7A. Quantitative and Qualitative Disclosures About ...
      Item 8. Financial Statements and Supplementary Data
      Item 9. Changes in and Disagreements with Accountants on ...
      Item 9A. Controls and Procedures
      Item 9B. Other Information
    PART IV
      Item 15. Exhibits, Financial Statement Schedules
    RATIO COMPUTATION
    SIGNATURES
    REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    INCOME STATEMENT
    BALANCE SHEET
    STOCKHOLDERS EQUITY
    CASH FLOW
    NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
    VALUATION AND QUALIFYING ACCOUNTS
  EXHIBIT 4.7
  EXHIBIT 4.8
  EXHIBIT 10.9
  EXHIBIT 10.10
  EXHIBIT 10.14
  EXHIBIT 10.15
  EXHIBIT 10.16
  EXHIBIT 10.17
  EXHIBIT 10.18
  EXHIBIT 10.19
  EXHIBIT 12.1
    RATIO COMPUTATION
  EXHIBIT 21.1
    SUBSIDIARIES
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
    CERTIFICATION
  EXHIBIT 31.2
    CERTIFICATION
  EXHIBIT 32.1
    CERTIFICATION OF