Client Accounting Services
Your back office, elevated. We handle the numbers so you can focus on running your business.
Beyond bookkeeping. Built for growth.
For small business owners, managing day-to-day accounting is a constant drain on time and energy. Sheehan's Client Accounting Services practice gives you a dedicated team of CPAs handling everything from bookkeeping and payroll to financial reporting and CFO-level strategy — all under one roof.
We don't just keep your books. We turn your financial data into a clear picture of where your business stands and where it's headed.
Our Services
Built for small businesses with big ambitions.
Business owners spending too many hours on bookkeeping and payroll
Growing companies that have outgrown their current accounting setup
Founders who need financial clarity to make confident decisions
Companies preparing for a loan, investment, or ownership transition
Teams that need CFO-level thinking without a full-time hire
60+
Professionals on staff
2
Locations on Long Island
70+
Years serving businesses
John W. Hermus
CPA, MBA · PARTNER — CLIENT ACCOUNTING SERVICES
John leads Sheehan's Client Accounting Services practice with a focus on helping small business owners gain control of their finances. With deep expertise in accounting technology, financial reporting, and strategic advisory, John works as a true partner to the businesses he serves — not just their accountant.
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