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                            May 29, 2024

       Michael Sherrick
       Executive Vice President and Chief Financial Officer
       Information Services Group, Inc.
       2187 Atlantic Street
       Stamford, CT 06902

                                                        Re: Information 
Services Group, Inc.
                                                            Form 10-K for 
Fiscal Year Ended December 31, 2023
                                                            File No. 001-33287

       Dear Michael Sherrick:

              We have limited our review of your filing to the financial 
statements and related
       disclosures and have the following comment(s).

              Please respond to this letter within ten business days by 
providing the requested
       information or advise us as soon as possible when you will respond. If 
you do not believe a
       comment applies to your facts and circumstances, please tell us why in 
your response.

                                                        After reviewing your 
response to this letter, we may have additional comments.

       Form 10-K for Fiscal Year Ended December 31, 2023

       Management's Discussion and Analysis of Financial Condition and Results 
of Operations
       Non-GAAP Financial Measures, page 29

   1.                                                   Please explain why you 
believe the adjustment of $4.8 million for the accounts receivable
                                                        reserves for the year 
ended December 31, 2023 in determining Adjusted EBITDA and
                                                        Adjusted Net Income 
complies with Question 100.01 of the Compliance and Disclosure
                                                        Interpretations on 
Non-GAAP Financial Measures.
 Michael Sherrick
FirstName
InformationLastNameMichael   Sherrick
            Services Group, Inc.
Comapany
May        NameInformation Services Group, Inc.
     29, 2024
May 29,
Page 2 2024 Page 2
FirstName LastName
       In closing, we remind you that the company and its management are 
responsible for the
accuracy and adequacy of their disclosures, notwithstanding any review, 
comments, action or
absence of action by the staff.

       Please contact Robert Shapiro at 202-551-3273 or Doug Jones at 
202-551-3309 with any
questions.



                                                          Sincerely,

                                                          Division of 
Corporation Finance
                                                          Office of Trade & 
Services