Why Worry About Delaware? eFile Delaware Business Taxes in No Time

X.TAX simplifies tax filing for all Delaware businesses while maximizing your savings.

Get Clarity on Delaware’s Business Taxes

Know Biz Taxes in Delaware Better
Delaware is a top choice for businesses due to its business-friendly tax policies—no sales tax, no state property tax, and favorable corporate regulations. The state offers various tax credits and exemptions, making it an ideal hub for startups and large enterprises alike.

All DE Business Tax Forms in One Place

Know DE Business Tax Forms, which required for your business to stay compliant with Delaware regulations and avoid penalties.

Corporations 

Partnerships

For LLCs and Sole Proprietors

For Estates and Trusts

File Delaware Business Taxes in Just 4 Steps

Accurate, efficient, and stress-free DE Biz filing with X.TAX.

Create an Account

Set up your profile securely.

Upload Your Information

Enter your income, expenses, and tax forms. 

Review for Errors

Use smart tools to verify accuracy. 

Submit to the State

File with one click and track your submission. 

Key Delaware Business Tax Deadlines

Never miss a deadline with X.TAX reminders.
Business Type Forms Due Date Extension Deadline
Corporations Form 1120 (C Corporation Income Tax Return) April 15, 2025 October 15, 2025
Form 1120S (S Corporation Income Tax Return) March 15, 2025 September 15, 2025
Form 5 March 1, 2025 N/A
Partnerships Form 1065 (Partnership Income Tax Return) March 15, 2025 September 15, 2025
Form 3 March 15, 2025 September 15, 2025
LLCs & Sole Proprietors Form 1 June 2, 2025 N/A
Form Corp-ES Quarterly payments due on specific dates N/A
Form PW-1 No specific deadline, register as needed N/A
Estates & Trusts Form 1041 (U.S. Income Tax Return for Estates and Trusts) April 15, 2025 October 15, 2025
Form FID-TAX April 15, 2025 October 15, 2025
Form FID-EST Quarterly payments due on specific dates N/A

Maximize Your Savings with Delaware Tax Exemptions

Claim every tax benefit available to your business.

No Sales Tax

No Property Taxes

Corporate Income Tax Exemptions

Economic Incentives

Your Delaware Business Tax Filing Solution

Filing your Delaware business taxes has never been easier.

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QuickBooks Integration

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Delaware Business Tax FAQs

Get clear answers to your tax questions.
X.TAX is tailored for Delaware businesses, offering reliable, secure, and accurate filing tools.
We provide all essential forms for corporations, partnerships, LLCs, and estates. See the full list above.
Corporate filings are due April 15, partnerships by March 15, and LLCs by June 2.
Delaware businesses benefit from no sales tax, no property tax, and various tax credits.
Our smart tools review filings and ensure compliance with Delaware tax laws.
Our platform uses advanced tools to review filings and ensure they meet Wisconsin tax laws.
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