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Who We Are

At Mark S. Mueller, CPA we believe in relationships. When you are a client of our firm we work with you and for you in all of your endeavors, at all the moments of your life. We will be with you every step of the way, from start-up to succession. Since 2013, the relationships we’ve developed and maintained have helped us to become a leading local certified public accounting and consulting firm serving Massachusetts. We also serve clients in Rhode Island, New Hampshire, Vermont and Maine. Mark S. Mueller, CPA provides accounting, audit, tax, consulting, and asset accumulation and preservation services to businesses, non-profit organizations, and individuals (U.S. and foreign-based), doing business domestically and internationally.

We are a team of highly qualified CPAs and staff who share one goal—to achieve outstanding results for you. Whether you need tax services, auditing and assurance services, asset accumulation and preservation, or consulting, we have the industry-focused experience to help you succeed.

Our Team

Our Team


Mark S. Mueller, CPA/Owner | Ph: 978-751-8040

Mark has over 20 years of experience specializing in accounting, tax, auditing, and consulting services. Out of William Patterson University, Mark has been providing a full range of services to clients in New York City, New Jersey, and Massachusetts.


Jody Pupecki, Payroll & Bookkeeping Administrator | Ph: 978-751-8040

Jody has over 5 years of payroll and bookkeeping experience and works alongside Mark providing streamlined business processes so that you can spend less time doing data entry and more time supporting your customers and business needs to grow and succeed.

Need more details? Contact us

We are here to assist. Contact us by phone, email or via our social media channels.

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