About Us
Jonalyn Sullivan
With over 30 years experience, Jonalyn has found her passion supporting her business clients with financial statement reporting, tax compliance, tax planning and accounting solutions. Jonalyn enjoys assisting her clients in understanding their business health so they can spend time working on their business not in their business.
Jonalyn can be reached at jonalyn@jcscpa.com or by phone at
978-792-3099.
Diane Collett
Diane started her accounting journey with a Big Four accounting firm in the 1980s. After her stint in public accounting Diane moved to the private sector before becoming a stay at home Mom. In 2009 she found her way back into the public accounting world. Diane has been a Team member with Jonalyn and Anne-Marie for over 15 years and has a solid knowledge of our client base. Diane focuses on individual income tax returns and has in-depth knowledge of employment and payroll taxes.
Diane can be reached by email at diane@jcscpa.com or by phone at 978-792-3096.
Anne-Marie Toomajanian
Anne-Marie has worked with small to mid-sized clients for over 20 years. She has a wide range of technical skills in both tax and finance disciplines that serve our business clients and their owners well. She is knowledgeable in QuickBooks Online and Sage 50 and is ready to help our clients navigate their accounting software.
Anne-Marie can be reached at Anne-Marie@jcscpa.com or by phone at 877-527-2720 extension 702.
Sherry Kurth
Sherry has more than 35 years of business taxation experience – both, in public accounting, serving small- to mid-size clients, and working in-house for Fortune 100 and 500 companies. She’s here to support your business tax compliance, as well as QuickBooks accounting and business consulting services.
Sherry can be reached at sherry@jcscpa.com or by phone at
877-527-2720 extension 703.