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
01
Bookkeeping & Month-End Close
Accurate, timely books every month. We manage your general ledger, reconciliations, and month-end close so your financials are always ready when you need them.
02
Accounts Payable &
Vendor Management
We manage your vendor relationships and payables process — ensuring bills are tracked, payments are made on time, and your cash flow stays healthy.
03
Financial Reporting & Dashboards
Custom reports and real-time dashboards that give you a clear view of performance, profitability, and trends — without needing to decipher spreadsheets.
04
CFO Advisory & Controller Services
Get the strategic financial leadership of a seasoned CFO without the full-time cost. We provide budgeting, forecasting, and executive-level guidance on demand.
05
Payroll Integration
We connect your payroll system directly to your accounting platform — ensuring your data flows seamlessly, your books stay accurate, and nothing falls through the cracks between systems.
06
Technology Stack Consulting
We help you select, implement, and optimize the right accounting software for your business so your systems work as hard as you do.
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.
PHONE
