Our Mission


What you should know about us

Our vision is very simple. We are focused on one thing. We help our clients create extraordinary businesses.

Specializing in closely held, family-owned businesses, Dennis & Associates has a basic philosophy that President David Dennis sums up as, “We’re an entrepreneurial firm, much like many of our clients. We¹re not typical accountants. In fact, our entire focus is on advice on helping our clients be more successful.”

Building lifelong client and employee relationships based upon mutual confidence and teamwork.

Our Team Members


David Dennis, CPA Partner

David Dennis, CPA, Partner and Founder of Dennis & Associates, P.C., has more than 35 years of experience in accounting and has been in private practice for more than 25 years. The son of an accountant, David holds a B.S. in accounting from Suffolk University. David serves as the financial advisor and sits on the board of directors for several clients. He is also involved as a board member in several nonprofit organizations throughout the Boston area including the Chairman of the Board of Quincy College.  Dianne DeVanna Center for Child Abuse and Neglect,  Quincy Lions, Cerebral Palsy of Massachusetts, as well as and active committee member of many national and local professional organizations such as the American Institute of Certified Public Accountants and the Massachusetts Society of Public Accountants.

Contact David Dennis

John McManus, CPA Partner

John McManus, CPA, Partner at Dennis & Associates PC, has been at Dennis & Associates for more than fifteen years. He is responsible for managing the corporate tax side of the business and manages the accountants in the office. He has a bachelor’s degree in Business Management from Bridgewater State University and an advanced Certificate of Accounting from UMASS Boston. John is on the advisory board of the Salvation Army of Quincy and is the treasurer of the Rotary Club in Quincy. He lives in Braintree with his wife, Erin, and their twin daughters, and enjoys playing golf and traveling in his spare time.

Contact John McManus

Josephine Vidal, Office Manager

Josephine Vidal has been the office manager of Dennis and Associates since its inception in 1994 and partner of Granite Payroll Associates Inc.  Josephine has over thirty years of experience in administrative and payroll fields.  Her previous employment was with the City of Boston, Sr. Bookkeeper at the National Guard Armory and bookkeeper for various CPA firms.   Josephine is Vice President of the Kiwanis Club of Quincy and co-chair of the Maria Droste Counseling Services fundraiser committee.  Josephine was awarded the 2010 Maria Droste Award for her community service involvement.  She is the mother of three children and resides in Quincy with her husband Pete.

Contact Josephine Vidal

Jennifer Amate, Accountant and QuickBooks® Specialist, Partner

Jennifer Amate, Partner at Dennis & Associates PC, has been with Dennis & Associates PC since 2001 as an accountant and Certified QuickBooks ProAdvisor. Jennifer works closely with our corporate clients for all their accounting, tax and QuickBooks needs. Jennifer is responsible for both on-site and in-house bookkeeping processes including QuickBooks setup, training and support and oversees the in-house bookkeepers. Jennifer also performs all the review and compilation engagements within the office. Jennifer graduated from Salve Regina University in 2003 with a B.S. in accounting. Jennifer started her career as an intern with Dennis & Associates in her junior and senior year of college and came on full time after graduation. Jennifer currently serves as the Treasurer of Quincy Network Connections, a subcommittee of the Quincy Chamber of Commerce and is a member of the Lion’s Club. She lives in Hingham with her son, Drew.

Contact Jennifer Amate

Judson Walton,  CPA

Judson Walton has been with Dennis & Associates for over eleven years and has over forty five years of experience in public accounting with emphasis on tax preparation for individuals and closely-held businesses. He also has several years experience in private industry where he has served as controller. Jud graduated from the University of Massachusetts / Amherst where he received a bachelor’s degree in business administration with a major in accounting. Jud is responsible for the tax review function at Dennis & Associates.

Contact Judson Walton

Gregory Lamping, CPA, MSA, & MBA

Gregory Lamping, CPA MSA MBA, has both public and corporate accounting experience. He got his undergraduate degree from Babson College and his graduate degrees from Suffolk University. Recently he proudly joined the Weymouth Rotary. He lives in the city of Weymouth with his wife Maggie and two children Zoe and Gabriella.

Contact Gregory Lamping

Alla Shaikouskaya , Certified Bookkeeper

Alla Shaikouskaya is a lead bookkeeper with 15 years of experience in bookkeeping, accounting and administration. She joined Dennis & Associates in June of 2018 and handles bookkeeping duties in QuickBooks (desktop and online) for clients in various industries and manages multiple projects simultaneously. Alla is also responsible for sales/meal tax filing as well as 401K processing. She got her Bachelor’s degree of Education from Minsk, Belarus and she has also completed her bookkeeping certification through the American Institute of Professional Bookkeepers. Alla shares a fun and noisy house in Holbrook, MA with her two granddaughters, her daughter’s family and her husband Andrei.

Contact Alla Shaikouskaya

Donna Le

Following her spring internship in 2018, Donna Le, has been with Dennis & Associates for close to two years now. She works closely with all the accountants here, dealing with both individual and corporate tax, as well as helps with administrative work, bookkeeping and the payroll department.  Donna lives in Weymouth and is currently pursuing her Masters in Accounting at the University of Massachusetts as well as her CPA certification.

Contact Donna Le

Gary Aprahamian, CPA

Tatiana Shchegolkova   [email protected]>

Amanda Robado 

Richard Cabral 

Contact Us

Feel free to call us on

617.479.6300

Call Now
Our Email

Drop us a line anytime at
[email protected],
and we’ll get back soon.

Contact Us
Our Location

Come visit us at
176 Granite St, Quincy, MA 02169

See Location

Get Help

We're here to help you!

David DennisCertified CPA