Business Accountant Manhattan | Tax Accountant Manhattan NY | OnPoint

Manhattan business accountant — OnPoint Business Tax & Accounting at 100 Church Street
Serving Manhattan, NY

Business Accountant in Manhattan

Expert tax preparation, bookkeeping, and accounting for Manhattan small businesses, LLCs, S-Corps, and sole proprietors. Flat-fee pricing. No surprises.

Manhattan's Business Tax & Accounting Experts

OnPoint Business Tax & Accounting serves Manhattan business owners from the Financial District and Midtown to Harlem, Chelsea, and the Upper West Side. Whether you run a consulting firm, a restaurant, a boutique, or a professional practice, our enrolled agents and tax professionals handle your books and taxes so you can focus on growing your business.

We specialize in small and mid-size Manhattan businesses that need more than a seasonal tax preparer. From monthly bookkeeping and QuickBooks setup to S-Corp elections and multi-year unfiled returns, we deliver complete, year-round financial support at a flat fee you'll know upfront. Our office is right here in Manhattan at 100 Church Street.

What's Included

A complete Manhattan accounting and tax service — not just a transaction.

Business Tax Preparation

Federal and NY State returns for LLCs, S-Corps, C-Corps, partnerships, and sole proprietors — filed accurately and on time.

Bookkeeping & QuickBooks

Monthly bookkeeping, bank reconciliations, and QuickBooks setup and cleanup so your financials are always current.

Tax Planning

Year-round strategy to reduce your tax liability — S-Corp elections, retirement contributions, depreciation, and more.

NYC & NYS Compliance

NYC business tax, NYC UBT, NYS sales tax filings, and payroll tax compliance handled by professionals who know New York.

Unfiled & Back Taxes

Behind on multiple years? We prepare and file all outstanding returns and help you resolve IRS and NYS balances.

New Business Formation

LLC and corporation formation, EIN registration, and first-year tax setup for new Manhattan businesses.

Flat-Fee Pricing — No Surprises

You know exactly what you'll pay before we start. No hourly billing, no hidden charges.

100% In-House — Never Outsourced

Every return, every filing, every call is handled by our own licensed Manhattan team.

Manhattan Neighborhoods We Serve

Our Manhattan clients span the entire island. Whether you're a Financial District financial services firm, a Midtown consulting practice, a SoHo boutique, or a Harlem restaurant — we know Manhattan's business landscape and the NYC tax rules that apply to you.

Financial DistrictMidtownHarlemUpper West SideChelseaSoHoTribecaUpper East SideHell's KitchenWashington HeightsGramercyFlatiron

Everything We Handle for You

OnPoint delivers a complete, end-to-end Manhattan accounting and tax service — no hand-offs, no surprises.

  • Business tax returns — LLC, S-Corp, C-Corp, partnership
  • Monthly bookkeeping and bank reconciliations
  • QuickBooks setup, cleanup, and training
  • NYC Unincorporated Business Tax (UBT)
  • NYS and NYC sales tax filings
  • Payroll tax compliance and filings
  • Unfiled and back-year tax returns
  • IRS and NYS tax resolution
  • New business formation and EIN setup
Get Started Today

Why OnPoint?

Manhattan's Trusted Business Tax Experts

  • Circle of Excellence 2025 Award Recipient
  • 5-star rated on Google Reviews
  • Serving NYC & NJ businesses for over a decade
  • Flat-fee pricing — you know the cost upfront, always
  • 100% in-house — your work is never outsourced or offshored
  • Bilingual staff — English & Spanish
  • In-person, virtual, and drop-off options

Client Stories

What NYC & NJ Business Owners Say

5.0 · 47 Google Reviews
"I've worked with several Manhattan accountants over the years, but OnPoint is on another level. Their real estate tax expertise and S-Corp knowledge saved my business over $14,000 last year. Highly recommend for any NYC business owner."

James R.

CEO, R&R Property Group — Manhattan, NY

"As a new LLC owner in Queens I was overwhelmed by business taxes. OnPoint walked me through everything — bookkeeping setup, quarterly estimates, and my first business tax return. Now I feel totally in control of my finances."

Sofia M.

Founder, SM Consulting LLC — Queens, NY

"Our payroll taxes and NYC business tax situation were a mess when we came to OnPoint. Within 90 days they had everything organized, compliant, and running smoothly. The most knowledgeable Manhattan tax accountant we've ever worked with."

Linda C.

CEO, Citywide Staffing Solutions — Manhattan, NY

Ready to Work with a Manhattan Business Accountant?

Call us or request a free quote. We're located at 100 Church Street in Manhattan — in-person and remote appointments available.

Manhattan Office — 100 Church Street, New York, NY 10007

Located in Lower Manhattan. In-person and remote appointments available. Mon–Fri 9 AM–6 PM & Sunday 10 AM–4 PM.