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CPAs Committed To

Your Success

We Offer

A full-service accounting firm that shares your vision for the future.

Today’s world is dynamic, fast-paced, and unpredictable. New threats and opportunities emerge constantly. This new economy requires a different approach that prioritizes accuracy and timeliness over convention and enables collaboration, innovation, and value creation with unprecedented speed, impact, and efficiency.


We are Sheehan – a full-service accounting firm providing organizations of all sizes, across key industries, with the financial tools and insights to make strategic decisions, capture opportunities, and reallocate resources deftly and quickly.

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Experience you can count on—advice you can trust.

Our diverse team covers five distinct service areas: 


  • Tax & Financial Planning

  • Accounting & Auditing

  • Computer & Technical

  • Business Valuation

  • Litigation Support

Our industry-specific experts provide the experience, strategy, and clarity you need to achieve your business goals within each practice area. With Sheehan, our expertise is your advantage, always keeping you one step ahead.

Who We Are



The long-lasting relationships we build with our clients are integral to our continued success.



Business is dynamic, and so are your needs. We build custom solutions tailored to your goals and industry.


Whether providing assurance, accounting, advisory, or taxation services, our client-centered approach and experience help you achieve your goals


Visit us in Brightwaters &

Port Washington, NY

Big firm capability. Small firm personality.

Our people are our greatest asset, and we are not shy about it. It’s how we’ve built a reputation as one of the most trusted accounting advisors; by supporting our client’s goals and providing expert guidance to make them a reality.


Sheehan Financial Advisors

Sheehan Financial Advisors, LLC is a personal financial planning and registered investment advisory firm with the goal of providing personalized, objective, and expert financial advice and services that larger firms are unable to deliver successfully. 


Since the practice of personal financial planning is an ongoing process, your advisor will monitor your plan regularly to assure your planning goals and objectives are being achieved. Our planners take a proactive approach to providing a written plan based on a comprehensive personal interview, outlining our recommendations to successfully attain your financial goals. 


We provide creative solutions to your business succession, retirement, and estate planning concerns, as well as strategic income tax planning advice to optimize your overall tax position. In addition, we offer fee-based asset management services and insurance counseling. 

When trusted advisors work together to serve their clients the results are profound. Sheehan Financial Advisors has created an alliance with Miracle Mile Advisors to provide more options for making your financial freedom possible. Miracle Mile takes an analytical approach coupled with your personal needs to achieve your highest ROL – your return on life. 

Sheehan Press Releases

Understanding What's Important To You

   Let us handle your financial worries so you can get back

   to what’s important

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