Due to COVID-19, most court functions in the state have been suspended. In addition, our office is working remotely. For assistance, please email esr@mmzlaw.com with your contact information and the legal matter you need help with and someone will be in touch. If you are seeking help regarding a Will, Financial, or Health Care Power of Attorney, every effort will be made to respond as quickly as possible.

Attorney Matthew A. Grosh


Matthew A. Grosh is a partner at May Herr & Grosh LLP and practices in the areas of estate planning and administration, business law, nonprofit organizations and taxation.

After Matthew was admitted to the Pennsylvania Bar in 1999, he served as a judicial law clerk with the Honorable Michael J. Perezous in the Lancaster County Court of Common Pleas. He then broadened his experience as an Assistant Counsel for the Pennsylvania Department of Revenue and as an Assistant District Attorney in Lancaster County.

Matthew obtained his J.D. in 1999 from the Villanova University School of Law, where he also received an LL.M. in taxation in 2001. He had previously received a B.A. in Political Science magna cum laude from the Pennsylvania State University in 1995 and inducted into Phi Beta Kappa.

Matthew resides in Manheim Township with his two children, and is a proud graduate of Leadership Lancaster‘s 2017 Core Class. He is a Preferred Consultant for the Nonprofit Resource Network and is an active member of the Pennsylvania Association of Nonprofit Organizations. He has served as a member of the board of directors for Excentia (formerly PAI Corporation) and is a former President of the Building Industry Association of Lancaster County.

Areas of Practice

  • Estate Planning and Administration
  • Corporate Law
  • Nonprofit Organizations
  • Taxation

Bar Admissions

  • Pennsylvania, 1999


  • Villanova University School of Law, Villanova, Pennsylvania
    • J.D. – 1999
  • Villanova University School of Law, Villanova, Pennsylvania
    • LL.M. – 2001
    • Major: Taxation
  • Pennsylvania State University
    • B.A. magna cum laude – 1995
    • Major: Political Science
    • Phi Beta Kappa

Matthew A. Grosh

Professional Associations and Memberships

  • Pennsylvania Association of Nonprofit Organizations, Member
  • Lancaster Bar Assoc., Member
  • PA Bar Assoc., Member
  • Former President of the Board of Directors for Building Industry Association of Lancaster County

Past Employment Positions

  • Lancaster County Court of Common Pleas, Judicial Law Clerk
  • Pennsylvania Department of Revenue, Assistant Counsel
  • Lancaster County, Assistant District Attorney