Corporate Tax Returns in New York
Trusted by companies across New York, our corporate tax advisors ensure your filings are accurate, compliant, and optimized to save you money.
Get in touchUse the form below to
CLAIM OFFER
Corporate Tax Services in New York
Expert Support for Corporate Tax Filing & Compliance
Filing your corporate tax return accurately and on time is critical to maintaining your company’s good standing with both the IRS and New York State. At GTA Accounting Group, our tax professionals provide comprehensive corporate tax return services for C-Corps, S-Corps, LLCs, and partnerships operating in New York.
We specialise in both federal (IRS Form 1120 / 1120-S) and New York State CT-3 / CT-3-S corporate filings, ensuring that your business remains compliant with all requirements.
Partners
Google Reviews
Client Success Stories
Small Business, Amin
International Taxes, Bhagat
Importing / Exporting, Cody
Solo Entrepreneur , Dylan
Independent Contractor, Hassan
Restaurant Business - Igor
ECommerce Business - Jamy
Self Employed - John
Small Business Owner - Joony
Real Estate Investor - Khalid
Small Business Owner - Mani
Personal / U.S. Taxes - Mike
Real Estate Agent - Natalie
Federal Corporate Tax Filing – IRS Compliance
All corporations operating in the U.S. must file annual returns with the IRS:
- •Form 1120 – For C-Corporations
- •Form 1120-S – For S-Corporations (informational return)
- •Form 1065 – For partnerships and LLCs (multi-member)
We ensure that all your deductions, credits, and depreciation schedules are compliant and optimized. Our IRS-authorized e-filing process ensures fast, secure submission.
New York State Corporate Tax Requirements
New York State requires separate filings for businesses operating within the state:
- •Form CT-3 – General business corporations
- •Form CT-3-S – S-Corporations (state informational return)
- •MTA Surcharge – If operating in the Metropolitan Commuter Transportation District
- •Estimated Payments & Extensions – We handle deadlines and filings on your behalf
We help you navigate franchise tax calculations, nexus determinations, and multi-state operations.
Common Corporate Tax Filing Mistakes We Help Avoid
Get in touchOur proactive review and compliance checks minimize audit risk and penalties.
Our Offices
401 Park Ave S 10th Floor, New York, NY 10016, United States
118-35 Queens Boulevard Forest Hills Tower, #400, Forest Hills, NY 11375, United States
4250 Veterans Memorial Hwy Suite 3100W, Holbrook, NY 11741, United States
300 Cadman Plz W 12th Floor, Brooklyn Heights, NY 11201, United States
50 Fountain Plz Downtown, Suite 1400, Buffalo, NY 14202, United States
401 New Karner Rd 3rd Floor, Suite 301, Albany, NY 12205, United States
Who Needs to File a Corporate Tax Return?
You must file a corporate tax return if you:
Not sure which forms apply?
Book a free consultation—we’ll assess your filing obligations and compliance needs.
About GTA Accounting Group
GTA Accounting Group is a New York-based accounting firm providing trusted tax, bookkeeping, and advisory services to businesses across the Tri-State Area.
We specialise in:
- Corporate and partnership tax returns (Form 1120, CT-3)
- Multi-state and international compliance
- IRS audit representation
- Year-round tax strategy and advisory services
Our tax professionals complete all filings by the current IRS and New York State guidelines. We are committed to helping your business stay compliant, efficient, and financially sound.
Get in touchNeed a Professional Accountant in New York? Choose GTA Accounting Group.
We take pride in the positive feedback we receive from our clients. Here’s what some of them have to say:
Read more“GTA Accounting Group helped us navigate a complex tax situation with ease and professionalism. Their expertise saved us thousands of dollars and gave us peace of mind.”
Jane D
Business Owner
Why Choose GTA Accounting Group?
- Highly qualified team of tax professionals with deep expertise in U.S. and New York corporate tax law
- Expertise in Form 1120, 1120-S, CT-3, CT-3-S, and NYC filings
- IRS e-file Authorised Provider
- Multi-industry expertise: tech, eCommerce, real estate, services
- Personalised year-round support for tax planning and audits
What You Can Expect From Us
Each business is unique. We’ll evaluate your specific situation and provide a no-obligation estimate at no cost.
Get in touchWe assess your entity structure, prior filings, and compliance risk
We gather, prepare, and reconcile your data
We file IRS and NYS corporate tax returns on your behalf
Guidance on estimated payments, notices, or audit inquiries
Corporate Tax Return – Frequently Asked Questions (FAQ)
Get in touchA corporate tax return is an annual filing required by the IRS and your state government to report business income, deductions, and tax liability. In most cases, this involves filing IRS Form 1120 or 1120-S.
Yes. Businesses operating in New York must file both IRS forms and state-specific forms like CT-3 or CT-3-S. If you’re in NYC, additional city-level filings may apply.
Typically, it’s due on the 15th day of the fourth month after your fiscal year-end (e.g., April 15 for calendar year corporations). We can help request extensions if needed.
Missing deadlines can trigger late filing penalties, interest, and IRS notices. GTA Accounting Group helps you avoid or mitigate these issues.
You’ll need financial statements, payroll records, expense breakdowns, prior returns, and ownership documents. We provide a checklist tailored to your entity type.
Yes, but it can be risky. The complexity of federal and New York regulations makes professional tax guidance essential—especially if you have employees, multiple shareholders, or multi-state activity.
Absolutely. We assist with back tax filings, IRS notices, and NYS franchise tax corrections.
Tax & Accounting Insights by GTA Accounting
February 12, 2026
1099 vs W-2: What Business Owners Must Know Before Tax Season (2026 Guide)
Are you misclassifying your team? Learn the critical differences between 1099 and W-2 workers, IRS rules for 2026, and how to avoid costly penalties in NY & CA.
Read more →
January 7, 2025
10 Common Tax Deductions for New York Businesses
This blog highlights New York businesses' ten most common tax deductions, providing insights into their eligibility requirements and actionable tips for maximizing savings.
Read more →
May 25, 2026
2026 Federal Tax Brackets: IRS Income Tax Rates & Standard Deduction
The 2026 U.S. tax brackets keep the same rates but adjust income limits for inflation, with updated standard deductions of $15,750 (single) and $31,500 (joint). You’re only taxed progressively by bracket, and deductions or credits can lower your taxable income and total tax.
Read more →