People

Jayne A. Andrews is a Partner in Grassi’s Nonprofit practice. Jayne advises a wide range of nonprofit organizations, including social service programs funded by federal and state grants, community foundations supported solely by donor contributions, labor unions and other membership organizations.

Jayne delivers a full range of services, including planning and conducting Single Audits, financial statement audits, reviews and compilations for nonprofit organizations. Additionally, Jayne provides nonprofit tax compliance services to help her clients prepare Federal and state information returns. She also helps organizations file their Form 1023 or 1024 application for tax-exempt status. Within Grassi, Jayne trains and develops staff, provides in-house seminars in the nonprofit sector and mentors junior staff on engagements.

Before joining Grassi, Jayne was a Partner at Anstiss & Co., P.C. for over 25 years, before the firm merged with Grassi in 2025. At Anstiss, Jayne led the firm’s Nonprofit Practice, overseeing all nonprofit engagements and ensuring clients received high-quality advisory and audit services that delivered value to their organizations. Her extensive experience in the nonprofit sector makes her a trusted business advisor.

Each year, Jayne attends the AICPA Not-for-Profit Industry Conference, Uniform Fiscal Report (UFR) training sessions, and other training sessions that provide the training required to perform Single Audits. She is the former Treasurer of the Greater Lowell Health Alliance of CHNA 10, Inc. and the former Treasurer of The Brush Art Gallery & Studios, further enhancing her experience in all aspects of nonprofit organizations.

Jayne was named the 2016 Women in Business award winner by the Greater Haverhill Chamber of Commerce.

Jayne is a member of the American Institute of Certified Public Accountants (AICPA), the New England Society of CPAs (NECPAs) and the Greater Haverhill Chamber of Commerce.

Jayne graduated Magna Cum Laude from the University of Lowell.