Because we are a small firm with a large investment in state of the art technologies, we have the unique ability to offer the expertise and professionalism of a large CPA firm as well as the one on one personal service of a small firm.

You can trust the quality of the financial guidance and services we provide.


We have many years of combined experience in various financial and technical capacities and we continue to invest our time and resources to develop our knowledge and experience even further. In this fast changing world we believe that is what's required to serve you with excellence.

Use our professional experience, working knowledge, and the latest technological tools:


    To answer your questions,
    Create workable solutions to your problems,
    Get the basic support services you need,
    And get the job done!

Take a significant step towards attaining financial freedom and success.

Contact us

Call 978 465 9180 today for an appointment.
Find out more about what we can do for you!


©Copyright 2002

Mary O'Williams
Certified Public Accountant
Certified Financial Planner

19 Old Rowley Road
Newbury, Massachusetts 01951

978 465 9180 PHONE
978 462 7321 FAX

maryowilliams@mowcpa.com