Sheehan Employee Directory

Q: Who are Sheehan key employees?

Some of Sheehan key employees are Brendan Sheehan , Mary O'Mahoney

Sheehan corporate office is located in 165 Orinoco Dr, Brightwaters, New York, 11718, United States and has 11-50 employees.

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sheehan & company, c p a, p c

Employees by Department

Departments

Number of employees

Finance

Operations

Information Technology

C-Suite

Key Employees of Sheehan

BS
Brendan Sheeha...
Chief Operating Officer
PhoneEmail
MO
Mary O'Mahoney
Chief Administrative Officer
PhoneEmail
PhoneEmail
PhoneEmail
PhoneEmail
PhoneEmail

Sheehan Global Presence

Location	People at location
North America	51-200
Europe	1-10
Australia	1-10

Index of contact profiles from Sheehan

Hundreds of professionals searching for Sheehan have connected with key decision-makers. Join them?

Contact Name

Contact Info

Job Title

HQ Location

DS
David Slager
Email Direct
Staff Accountant
United States , New York , Brightwaters

VV
Vincent Viani
Email Direct
Accountant II
United States , New York , Brightwaters

MV
Marie Verde
Email Direct
Tax and Financial Planning
United States , New York , Brightwaters

1 234

Former Employees at Sheehan

Explore people who held key positions, contributed to Sheehan's success, and advanced their careers.

Rose Burke

Tax Coordinator at MGO

Worked as Senior Administrative Assistant

at Sheehan (2012-2022)

Direct

Gina Sinatro

Assurance Manager at HBK

Worked as Supervisor, Audit

at Sheehan (2025-2026)

Direct

Nicole Orella

Associate at Cerberus

Worked as Accounting Intern

at Sheehan (2017-2017)

Direct

Mask Content

Senior IT Engineer at Imprint

Worked as Information Technology Intern

at Sheehan (2016-2017)

Direct

Mask Content

Corporate Controller at Legacy Group Enterpris...

Worked as Supervisor

at Sheehan (2006-2018)

Direct

Mask Content

Director, Finance at Chembio Diagnostics

Worked as Semi Senior Accountant

at Sheehan (2017-2018)

Direct

Explore More

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Frequently Asked Questions Regarding Sheehan Employees

How many employees does Sheehan have?

Sheehan has 11-50 employees

Who are Sheehan key employees?

Some of Sheehan key employees are Brendan Sheehan, Mary O'Mahoney

Where is Sheehan located?

Sheehan’s headquarters are located at 165 Orinoco Dr, Brightwaters, New York, 11718, United States

How do I contact Sheehan?

Sheehan Contact Info: Phone number: (631) 665-7040 Website: www.sheehancpa.com

What does Sheehan do?

Sheehan is a full-service accounting firm with over 70 years of experience, providing financial tools and insights to organizations of all sizes across various industries. Their services include tax and financial planning, accounting and auditing, business valuation, litigation support, and computer and technology services. The firm emphasizes a cl... Read More

Is Sheehan a public company?

Sheehan is private company therefore does not currently have an official ticker symbol

See more information about Sheehan Employees