We are Damon Diodati. A Full Service Certified Public Accounting Firm South of Boston.

Papers on table with a phone on the calculator app.

At Damon Diodati, our business philosophy is based on building close, trusting relationships and offering our clients more than just “the facts and figures.”

We thrive on working with clients in need of exceptional accounting and tax preparation and planning services. Since our founding, we have achieved this goal by treating every client who walks through our doors with individual attention and courtesy.

While many of our business and individual clients reside in the greater Boston area, we support clients throughout the United States. Our typical business client has sales ranging from $1M to $80M. We also represent individuals seeking a high degree of consulting services in addition to annual tax preparation.

OUR TEAM

Our commitment to clients starts with our team. Our team members conduct themselves in accordance with the highest standards of professional and ethical conduct. We strive to provide our talented team with a progressive, enjoyable working environment that offers opportunities for professional advancement, personal growth, and involvement in the decision-making process within the firm.

Michael Damon, CPA
Managing Partner
MDamon@DamonCPA.com

  • Education: Bachelor of Science in Business Administration, Northeastern University

    Professional Experience:

    • Miller & Spector CPAs, Wellesley 1981-1986

    • Michael J Damon CPA, Marshfield 1986-1998

    • Damon, Topham & Company CPAs, Marshfield 1998-2012

    • Damon, Diodati, Inc. CPAs, Pembroke 2012 to present

    Licenses: Massachusetts Board of Public Accountancy

     

    Membership:

    • American Institute of Certified Public Accountants

    • Massachusetts Society of Certified Public Accountants

    Other Professional Designations: Michael is the founder of Powder Point Wealth Management. Michael holds Series 7 and 63 securities licenses, Massachusetts Life and Health license, and is an Investment Advisor Representative.

    Michael’s specialties at Damon Diodati include:

    • Client tax and accounting needs

    • Tax, transaction, and entity planning

    • Estate and Trust planning and preparation

    • Consultative services include personnel, benefits, financing, real estate, retirement and succession planning, and more

    Michael is a South Shore native and was raised in Scituate, Massachusetts. He now resides in Pembroke with his wife Kelly and their three sons. In his spare time, Michael enjoys traveling, reading, fishing, coin collecting, and spending time with family.

Mark Diodati Headshot

Mark Diodati, CPA, MSA
Managing Partner
MDiodati@DamonCPA.com

  • Education: B.S. and Masters in Accounting, Northeastern University

    Specialties: Financial statements, Tax & Accounting

    Mark is a partner at Damon Diodati, CPA. Mark has consulted with many small business owners to achieve their financial goals. “We help prepare clients for the future and provide guidance on how they can plan accordingly.”

    Mark is a Certified Public Accountant and a member of the AICPA and the MSCPA. He is a graduate of Thayer Academy High School in Braintree and holds a Master’s Degree in Accounting from Northeastern University as well as a Bachelor of Science in Accounting and Finance from Northeastern University in Boston.

    Mark owned and operated a Domino’s Pizza franchise from 1994 to 2002 before attending Northeastern University. Mark started his accounting career in 2005 with a Braintree, Massachusetts, CPA firm. Mark began working with Michael Damon in 2009 and started Damon Diodati CPA with him in 2013.

    Mark enjoys playing RPGs as a hobby, spending time with his family, and taking an active part in his children’s activities. Mark resides in Weymouth with his wife Bridget and their two children.

Kimberly A. O’Brien, EA
IRS Enrolled Agent + Firm Administrator
KOBrien@damoncpa.com

  • Education: Bachelor of Science in Business Administration with a concentration in Accounting, Northeastern University

    Professional Experience: Administrative Assistant and Tax Professional with a Newton CPA firm.

    Certification: IRS Enrolled Agent

    Membership:

    • National Association of Enrolled Agents

    • Massachusetts Society of Enrolled Agents

    Kim O’Brien is affectionately known as “The Boss” and is responsible for all office operations, billing, and daily functionality and assists in preparing corporate and individual tax returns and bookkeeping for clients. Kim is the firm’s go-to person, staying ahead of a host of issues encountered in the operations of a successful and progressive public accounting firm. She is always available and willing to assist clients with questions or point them in the right direction when needed.

    Kim resides in Hanson and enjoys reading, shopping, and crafting, but most importantly, spending time with family and friends and caring for others when they most need it.

Jennifer N. Phinney
Administrative Assistant
JPhinney@DamonCPA.com

  • Professional Experience: COBRA Administrator at Hokanson Insurance Agency where she applied her knowledge of COBRA/HIPAA laws to process elections and open enrollments.

    Jennifer assists Michael Damon and the tax staff with day-to-day administrative duties. She meticulously oversees the development and implementation of a new customer relationship management database, managing schedules, planning, and coordinating meetings. Jennifer facilitates responses to general client inquiries, allowing the CPA staff to focus on corporate, estate, and individual tax returns, tax planning, and new client relationships.

    Jennifer lives in Pembroke with her husband Scott, two sons Zachary and Joshua, and beloved family dog Teddy. Jennifer enjoys spending time with her family and friends, playing pickleball, skiing, walking with her dog, and visiting her two boys at college.

Our Office


30 Corporate Park Dr.
Suite #220
Pembroke, MA. 02359

Phone: (781) 924-5684
Fax: (781) 924-5689