Our Comprehensive Taxation Services
Strategic tax planning and compliance solutions to minimize liabilities and ensure regulatory adherence.
Tax Preparation
Accurate preparation and filing of federal and state tax returns, ensuring compliance with IRS regulations.
- Federal & State Returns
- Deadline Compliance
- Accurate Documentation
Tax Planning
Proactive tax planning strategies to minimize liabilities and optimize savings for individuals and businesses.
- Strategic Planning
- Deduction Optimization
- Tax-Efficient Structuring
Payroll Tax Compliance
Seamless payroll tax management, including reporting, compliance, and reconciliation services.
- Payroll Calculations
- Tax Withholding
- Form 941 & W-2 Filing
Sales Tax Filing
Accurate sales tax calculation and filing to ensure compliance with state and local tax jurisdictions in the USA.
- Multi-state Compliance
- Nexus Determination
- Sales Tax Registration
IRS Representation
Expert representation in case of IRS audits, tax notices, or disputes to protect your interests.
- Audit Defense
- Notice Response
- Settlement Negotiation
US Tax Calendar & Deadlines
January
Q4 Estimated Tax
Last quarter estimated tax payment due
March
S-Corp & Partnership
Form 1120-S & 1065 filing deadline
April
Individual & C-Corp
Form 1040 & 1120 filing deadline
June
Q2 Estimated Tax
Second quarter estimated tax payment due
September
Q3 Estimated Tax
Third quarter estimated tax payment due
October
Extension Deadline
Final extended filing deadline
Why Choose Sompalli & Co?
Our unique blend of expertise, technology, and personalized service sets us apart.
Global Expertise
Deep understanding of USA tax laws, IRS regulations, and compliance standards.
Cost-Effective Solutions
Outsourcing to India offers competitive pricing without compromising quality.
Timely Delivery
Adherence to strict timelines for tax filing and compliance, ensuring peace of mind.
Tax Software We Use
We utilize industry-leading tax software to ensure accuracy and compliance.

Intuit ProConnect
Professional tax preparation software for accountants and tax professionals.

Drake Tax
Comprehensive tax preparation software for all entity types.

UltraTax
Advanced tax preparation software with sophisticated planning tools.

QuickBooks
Integrated accounting software with tax reporting capabilities.
Tax Savings By The Numbers
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Average Tax Savings
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Returns Filed Annually
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Client Satisfaction
Tax Tips & Resources
Stay informed with our latest tax insights and strategies.

Top 10 Tax Deductions for Small Businesses
Maximize your tax savings by taking advantage of these often-overlooked business deductions.
Read More
Year-End Tax Planning Strategies
Proactive steps to take before December 31st to minimize your tax liability for the current year.
Read More
Surviving an IRS Audit: What You Need to Know
Essential preparation steps and best practices if your business is selected for an IRS audit.
Read MoreCommon Tax Questions
Find answers to the most common questions about US taxation.
Key US tax deadlines for businesses include:
Due Date | Tax Form/Payment | Entity Type |
---|---|---|
January 31 | W-2s & 1099s | All businesses |
March 15 | Form 1120-S or 1065 | S-Corps & Partnerships |
April 15 | Form 1120 | C-Corporations |
Quarterly | Estimated Tax Payments | All businesses |
Note: Dates may vary slightly in certain years due to weekends or holidays.
Business Structure Optimization
- Choose the right entity type (LLC, S-Corp, C-Corp)
- Review current structure annually
- Consider tax implications of structure changes
Deduction Maximization
- Track all business expenses meticulously
- Understand available tax credits
- Implement retirement plan contributions
If you receive an IRS notice, follow these steps:
Don't panic
Many IRS notices are routine and don't indicate an audit or serious issue.
Read the notice carefully
Understand what the IRS is requesting or stating about your tax situation.
Contact your tax professional immediately
Don't respond without consulting a tax expert who can guide you.
Respond by the deadline
Always adhere to the response deadline mentioned in the notice.
Multi-state taxation can be complex due to varying state laws and nexus rules:
Nexus Determination
Determine which states your business has established nexus (business presence) requiring tax filing.
Income Apportionment
Understand how to properly apportion business income across multiple states.
Sales Tax Compliance
Track sales tax requirements in each state where you have economic nexus.
State-Specific Forms
File the correct forms for each state by their specific deadlines.
Have more tax questions?
Our taxation experts are ready to help with your specific concerns
Schedule a ConsultationPartner with Sompalli & Co for Expert Taxation Services
Contact us today to streamline your tax processes and ensure compliance with USA regulations.