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FandlGagnon, LLC

10 Post Office Square, Suite 605N, Boston, MA 02109


William P. Gagnon
E: [email protected]
T: +1 617 451 0303

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FandlGagnon, LLC

United States

FandlGagnon works closely with clients nationwide to solve their tax challenges, using creative strategies and expertly crafted technology. We have the expertise and experience of the Big Four, but without the inefficiencies, inflexibility and lack of responsiveness inherent in these large organizations. Whether it’s through our tax consulting, tax compliance/outsourcing, or tax technology practices, we look at your specific challenges to find the perfect balance between risk and reward.

FandlGagnon provides a wide range of corporate tax consulting and technology services to primarily Fortune 500 and middle market clients. Our areas of expertise include federal income tax compliance and advocacy, as well as compliance/outsourcing, consulting and tax technology associated with countless state and local level taxes, including sales and use, real and personal property, gross receipts, business licenses, and annual reporting. The United States Supreme Court decision in Wayfair in 2018 significantly changed the landscape of state taxation in the United States, particularly for foreign-based companies doing business in the United States that now have sales and use tax collection and filing obligations that simply did not exist pre-Wayfair.

FandlGagnon blends human resources and proprietary and third-party technology to deliver end-to-end solutions that collectively help our clients minimize risk while making certain that all material compliance requirements are met, regardless of tax type.


FandlGagnon, LLC

United States

Current time in Boston, United States

1:24 AM 22 March 2023
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William P. Gagnon

Head Office

Ten Post Office Square, Boston, MA 02109

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