Let us be your most trusted advisor

We believe the entrepreneur is the strength of anycommunity. We believe if businesses succeed, their communities will thrive as a result. If a business succeeds, it not only makes money but gives back to its clients, employees and community.  Our mission is to partner with businesses to guide their growth using our financial, management and technological skills to assist in the entrepreneur's success.

We achieve our mission when we deliver professional, qualityservice to our clients. We provide CFO and management consultative services; deliver efficient back-end accounting support; provide financial statements and tax services. We strive for the experience to be valuable for our clients beyond just compliant.

We provide these services in a digital environment, which allows us to work in a collaborative environment which allows us to build a deeper relationship while providing relevant, valuable, real-time information to our clients.  We believe in using the latest available technologies.

By providing these high level services, our clients are allowed to focus their time and energy on their business, enabling them to develop, grow and succeed.

Assurance & Accounting Services

Tax Planning & Preparation


Contact Us

Sullivan and Gannon, LLC
22 Central Square
Chelmsford, MA 01824
(978) 244-2470
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