Corporate Tax ServicesCorporate Tax ServicesCorporate Tax Services

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 licensed CPAs 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

arrow
arrow

Federal Corporate Tax Filing – IRS Compliance

Essential Services Offered

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 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.

New York State Corporate Tax Requirements

Essential Services Offered

Common Corporate Tax Filing Mistakes We Help Avoid

Get in touch
(001)

Missing IRS or NYS deadlines

(002)

Misreporting depreciation or cost basis

(003)

Unfiled franchise tax or MTA surcharge

(004)

Overstating deductions or losses

(005)

Late or incomplete estimated payments

Our 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:

Are incorporated as a C-Corp or S-Corp in any state

Are an LLC electing corporate treatment

Is a partnership or multi-member LLC filing Form 1065

Do business in New York and meet the nexus test

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 CPA 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
Licensed CPAs 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 touch

Need a CPA 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
stars

"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."

woman
Jane D

Business Owner

stars

"The team at GTA Accounting Group is incredibly knowledgeable and responsive. They provided clear guidance and support throughout the entire tax season."

man
Benjamin Anderson

Navi Founder

arrow
arrow
arrowarrow

Why Choose GTA Accounting Group?

Client Testimonials and Success Stories
  • Highly qualified team of licensed CPAs 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 touch
(001)

Initial Consultation

arrow
(002)

Filing & Documentation Review

arrow
(003)

Federal & State Returns

arrow
(004)

Year-Round Support

arrow

Corporate Tax Return – Frequently Asked Questions (FAQ)

Get in touch

What is a corporate tax return?

arrow

Do I need to file both federal and New York corporate tax returns?

arrow
When is the corporate tax return due?
arrow
What happens if I miss the deadline?
arrow
What documents do I need for corporate tax filing?
arrow
Can I file my corporate taxes myself?
arrow
 Do you help with late or amended corporate tax returns?
arrow

Tax & Accounting Insights by GTA Accounting