United States securities and exchange commission logo

                             September 23, 2020

       George Syllantavos
       Co-Chief Executive Officer, Chief Financial Officer, and Director
       Growth Capital Acquisition Corp.
       The Chrysler Building
       405 Lexington Avenue
       New York, NY 10174

                                                        Re: Growth Capital
Acquisition Corp.
Amendment 1 to Registration Statement on Form S-1
                                                            Filed September 16,
                                                            File No. 333-248087

       Dear Mr. Syllantavos:

              We have reviewed your amended registration statement and have the
       comment. In our comment we may ask you to provide us information so that
we may better
       understand your disclosure.

              Please respond to this letter by amending your registration
statement and providing the
       requested information. If you do not believe that our comment applies to
your facts and
       circumstances or do not believe that an amendment is appropriate, please
tell us why in your

              After reviewing any amendment to your registration statement and
the information that
       you provide in response to the comment, we may have additional comments.

       Pre-effective Amendment 1 to Registration Statement on Form S-1 filed
September 16, 2020

       Exclusive forum for certain lawsuits, page 134

   1.                                                   We note your disclosure
that your exclusive forum provision will not apply to suits
                                                        brought to enforce any
duty or liability created by the Exchange Act. Please ensure that
                                                        the exclusive forum
provision in the governing documents states this clearly, or tell us
                                                        how you will inform
investors in future filings that the provision does not apply to any
                                                        actions arising under
the Exchange Act.

               You may contact Jeffrey R. Gordon, Staff Accountant, at (202)
551-3866 or Anne M.
       McConnell, Staff Accountant, at (202) 551-3709 if you have questions
regarding comments on
       the financial statements and related matters. Please contact Edward M.
Kelly, Senior Counsel, at
 George Syllantavos
Growth Capital Acquisition Corp.
September 23, 2020
Page 2

(202) 551-3728 or Asia Timmons-Pierce, Special Counsel, at (202) 551-3754 with
any other

FirstName LastNameGeorge Syllantavos
                                                         Division of
Corporation Finance
Comapany NameGrowth Capital Acquisition Corp.
                                                         Office of
September 23, 2020 Page 2
cc:       Jeffrey W. Rubin, Esq.
FirstName LastName