Services

Your Full-Service Tax Partner

At National Income Tax Service Inc., we provide a complete suite of tax preparation services for individuals, businesses, and fiduciaries in Upper Marlboro and surrounding Maryland communities. Our tax professionals offer tailored support with the accuracy, professionalism, and attention to detail that every client deserves.


We go beyond simple data entry and seasonal filing. Whether you're facing an IRS issue, managing a trust, or filing for a growing business, we deliver tax solutions that prioritize compliance, reduce risk, and optimize your financial outcome.

Individual Tax Filing

We help individuals across all income levels file their taxes with confidence and accuracy. From W-2 wage earners to self-employed professionals, our team ensures every return is filed properly, with all eligible credits and deductions applied.


Our individual tax filing services include:


  • Federal and Maryland state returns
  • Earned Income Credit (EIC), Child Tax Credit, education credits
  • Filing for dependents, retirees, and students
  • Amendments and prior year returns
  • Filing for multiple income types (employment, investments, freelance)


Whether you’re filing a simple return or managing multiple income sources, we’re here to make sure everything is done correctly and on time.

Business Tax Filing

Small business owners, entrepreneurs, and corporations trust us to handle their tax obligations with precision and care. We prepare and file returns for:


  • Sole proprietors and single-member LLCs
  • Multi-member LLCs and partnerships
  • S Corporations and C Corporations
  • 1099 and contractor reporting
  • Quarterly estimated payments


We also provide advice on tax-saving strategies, expense tracking, and regulatory compliance so that your business can remain financially healthy throughout the year.

Partner Tax Filing

Partnerships have unique filing requirements, and mistakes in K-1 distribution or return preparation can lead to major complications. We help partners file IRS Form 1065 accurately and ensure that all allocations are properly reported.


Our services include:


  • Preparation of Form 1065 and Schedule K-1
  • Multi-member LLC tax filing
  • Strategic review of partnership agreements for tax compliance
  • Support for partner-specific deductions and credits


We ensure your partnership meets its obligations while minimizing the risk of partner disputes or audit exposure.

Fiduciary Tax Services

Filing taxes on behalf of a trust or estate requires specialized knowledge. We assist trustees, executors, and estate administrators with fiduciary tax filings that follow both federal and state requirements.


We prepare:


  • IRS Form 1041 (U.S. Income Tax Return for Estates and Trusts)
  • Maryland fiduciary returns
  • Final individual returns for deceased taxpayers
  • Accounting of income distributions to beneficiaries


This work can be complex, and deadlines are strict. Let our team guide you through the process with professionalism and discretion.

Estate Tax Returns

In addition to fiduciary filings, we also help families navigate estate tax returns after the loss of a loved one. Our team handles:


  • Federal estate tax filings (Form 706, if applicable)
  • Maryland inheritance and estate tax preparation
  • Coordination with estate attorneys or probate courts
  • Final income tax returns for decedents
  • Reporting of transferred assets and valuations


We approach this work with care, accuracy, and sensitivity to the emotional weight often involved in estate matters.

IRS Tax Resolution

If you’ve received a notice from the IRS or owe back taxes, don’t go it alone. Our IRS tax resolution services are designed to help you understand your options and protect your financial well-being.


We assist with:


  • Back tax filing
  • Penalty abatement
  • Audit support and representation
  • IRS payment plan negotiation
  • Wage garnishment release
  • Offer in Compromise preparation


Our goal is to resolve your issue as quickly and affordably as possible, while keeping you informed and in control throughout the process.

General Tax Consulting

Not all tax help happens during filing season. Many clients work with us year-round to plan ahead and reduce future liability. We provide consulting that helps you make better financial decisions through a tax-focused lens.


Services include:


  • Tax strategy planning for individuals and businesses
  • Year-end tax projections
  • Estimated tax payment calculations
  • Entity selection guidance for new businesses
  • Advice on recordkeeping and deductions


Whether you're looking to save money, avoid surprises, or plan for major financial changes, we can help build a tax strategy that supports your goals.

Why Choose Us

Choosing the right tax preparation firm is about more than convenience—it's about trust. At National Income Tax Service Inc., we’ve built our reputation on accuracy, responsiveness, and dedication to long-term client success.



Clients choose us because:


  • We take time to understand their unique tax situation
  • We’re accessible, transparent, and easy to work with
  • We offer both in-person and remote services
  • We’re experienced in handling complex and sensitive filings
  • We serve with integrity, accuracy, and respect


Our focus is not just on this year’s return—it’s on helping you stay prepared, protected, and informed well into the future.

Schedule a Consultation

Get in touch today to schedule your appointment or learn more about our tax services.