C-Corp Tax Preparation NYC & NJ | C-Corporation Tax Accountant | OnPoint
C-Corp Tax Preparation for NYC & NJ Businesses
Expert C-Corporation tax filing — federal, state, and city — handled by licensed tax professionals.
C-Corporations face some of the most complex tax obligations of any business entity — from the 21% federal corporate rate to New York City's General Corporation Tax and New Jersey's Corporation Business Tax. OnPoint Business Tax & Accounting prepares accurate, IRS-compliant C-Corp returns for businesses across NYC and NJ, identifying every deduction and credit available to reduce your effective tax rate.
What's Included
A complete service — not just a transaction.
Form 1120 Federal Return
Complete preparation of your C-Corp federal income tax return, including all required schedules, elections, and disclosures.
NYC General Corporation Tax
Full compliance with New York City's General Corporation Tax (GCT), including NYC-3L or NYC-3A filings for combined groups.
NJ Corporation Business Tax
Accurate New Jersey CBT filings, including apportionment calculations for businesses operating in multiple states.
Deductions & Credits Maximization
We identify every available deduction — depreciation, Section 179, R&D credits, and more — to minimize your corporate tax liability.
Dividend & Retained Earnings Planning
Strategic guidance on dividend distributions vs. retained earnings to optimize the overall tax burden for the corporation and its shareholders.
Multi-State Tax Compliance
If your C-Corp operates across multiple states, we handle nexus analysis, apportionment, and filings in every required jurisdiction.
Flat-Fee Pricing — No Surprises
You know exactly what you'll pay before we start. No hourly billing, no hidden charges, no scope creep.
100% In-House — Never Outsourced
Every return, every filing, every call is handled by our own licensed team. Your work never leaves our office.
Everything We Handle for You
OnPoint Business Tax & Accounting delivers a complete, end-to-end service — no hand-offs, no surprises.
- Federal Form 1120 preparation and e-filing
- New York State CT-3 corporate tax filing
- New York City GCT (NYC-3L / NYC-3A) filing
- New Jersey CBT (Corporation Business Tax) filing
- Depreciation schedules and Section 179 elections
- R&D tax credit analysis and documentation
- Estimated quarterly corporate tax payments
- Multi-state nexus analysis and apportionment
- Dividend planning and retained earnings strategy
- IRS audit support and representation
Why OnPoint?
NYC & NJ'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
Get Your C-Corp Taxes Filed Right — the First Time
From federal to NYC to NJ, we handle every layer of your C-Corp tax obligation. Flat-fee pricing, no surprises.