Michael P. McDonough, CPA

Mike worked for PricewaterhouseCoopers from 2001 through 2005 in their Private Client Services group specializing in small business and individual taxation.  He focused primarily on the taxation of closely-held companies, private-equity partnerships, and their owners.  Prior to that, Mike graduated from Syracuse University with a B.S. in Accounting.  In 2006 he joined James Beauregard in Millbury, MA to work for a well-respected small tax firm and begin building his own practice. Mike grew his business significantly and was able to bring in two additional partners to form McDonough, McDonough and Corsini, LLP in 2015.  In addition to being a partner at MMC, LLP, Mike also serves on the Board of Trustees at Millbury Savings Bank.  He lives in nearby Grafton with his wife, daughter, and son. 




Leah M. McDonough, CPA

Leah graduated from Babson College in 2001 with a B.S. in Accounting.  Leah worked for Arthur Andersen from 2001 to 2002 before transitioning to the Private Client Services group at PricewaterhouseCoopers where she became a tax manager and a Certified Public Accountant.  In 2007, Leah left PwC and joined the Corporate Tax Group at CCR, LLP in Westborough where she worked as a tax manager for three years.  Leah's focus was primarily advising companies held publicly and privately, closely-held businesses and their owners, multi-state and international corporations along with the related tax compliance.  In the fall of 2010, Leah teamed up with her husband Mike in Millbury.  She then joined him in the move of the practice to Sutton, MA in 2013. Leah is a founding partner of their firm, MMC, LLP. 




Dennis E. Corsini, MST

Dennis graduated from Bryant College in 2001 with a B.S. in Accounting and earned his Masters Degree in Taxation from Bryant University in 2011.  He was an adjunct Professor at the Providence campus of Johnson and Wales University teaching Corporate Finance at the graduate level.  Dennis has a combined 8 years of public accounting experience with PricewaterhouseCoopers and LGC&D.  In 2011, Dennis joined a multi-family office as the firm controller and tax manager.  He has over 15 years of diverse tax experience including estate planning, individual taxation and planning, private equity partnerships, closely-held companies, family limited partnerships, international taxation, multinational C corporations, and general accounting.  In January 2014, Dennis joined the practice with Mike and Leah and is a founding partner of their firm, MMC, LLP. 


Michelle A. Kelly, Senior Accountant

Michelle graduated from Assumption College in 1999 with a B.S. in Accounting.  She worked for CCR Advisory in Westborough, MA from 1999 to 2011 where she worked as a tax supervisor.  She has a combined 15 years of public accounting experience with CCR Advisory and Grant Thorton working with privately held companies, family owned businesses, and individuals.  Michelle's experience also includes the review and preparation of federal and state tax returns for corporations, S corporations, partnerships, LLC's, and individuals.  Michelle joined MMC, LLP in January 2016 as a senior accountant.  

Days until April 15

Latest News

Contact Us

McDonough, McDonough & Corsini, LLP
156 Worcester Providence Turnpike
Sutton Square, Suite 33

Sutton, MA 01590
T: (508)865-1040
F: (888)865-9085
E: info@mmcllp.com

Back to top