Tax Preparation Services in New Jersey

We Make Numbers Work for You

Tax season doesn’t need to be stressful. At Demian & Company, LLC, we provide accurate, strategic, and stress-free tax preparation services in New Jersey for individuals and businesses alike. Whether you're filing a simple return or managing complex finances, see how our CPAs can help you stay compliant, capture every deduction, and minimize liability.

Since 1995, clients across New Jersey have trusted our tax preparers to deliver fast, optimized, and fully compliant returns year after year.

Turn Tax Season into Savings Season
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Boutique CPA Firm

Excellence delivered with exceptional service.

30+ Years of Experience

Building wealth for accomplished clients since 1995.

Custom Solutions for Individuals and Businesses

Because your goals deserve more than one-size-fits-all.

Table of Contents

    Complete Tax Preparation Services for NJ Individuals and Businesses

    Whether you’re a salaried employee, self-employed, or running a corporation, accurate tax preparation is essential for avoiding audits and maximizing savings. Our full-service NJ tax preparers cover every need, including:

    • Individual Tax Preparation

      Professional individual tax return preparation that ensures every eligible deduction and credit is applied. Our New Jersey tax preparers take a holistic view of your financial picture, uncover often-missed opportunities, and prepare accurate Form 1040 filings that minimize liability while ensuring full IRS compliance.

    • Business Tax Preparation

      Comprehensive tax preparation for all business structures. Whether you operate as a sole proprietorship, LLC, partnership, S Corporation, or C Corporation, trust our experienced CPAs to deliver accurate, timely business returns that align with your growth and compliance goals.

    • Multi-State Tax Preparation

      Dealing with income, assets, or operations across multiple states? No problem. We specialize in multi-state tax preparation to ensure correct income allocation, avoidance of double taxation, and compliance with state-specific filing rules.

    • High-Income Tax Preparation

      Tailored tax preparation for high-net-worth individuals with complex financial profiles. We handle advanced tax scenarios such as AMT, investment income strategies, passive loss rules, and multiple income sources with full IRS and NJ compliance.

    • Self-Employed Tax Preparation

      Tailored tax prep for freelancers, gig workers, and contractors. We help you claim all eligible deductions, manage quarterly estimates, and file accurately, allowing you to keep more of what you earn and stay IRS-compliant.

    • Partnership Tax Preparation (Form 1065)

      Professional partnership tax return preparation that accurately allocates income, deductions, and credits among partners. We handle complex partnership structures, ensure proper K-1 preparation, and maintain compliance with partnership tax regulations.

    • S-Corporation Tax Preparation (Form 1120S)

      Comprehensive S-Corp tax preparation services that optimize pass-through taxation benefits. Our experienced team ensures accurate shareholder basis calculations, proper distribution reporting, and full compliance with S-Corporation election requirements.

    • C-Corporation Tax Preparation (Form 1120)

      Complete C-Corporation tax preparation, including corporate income tax calculations, depreciation schedules, and detailed financial reporting. See how we handle complex corporate tax scenarios while identifying opportunities for tax savings and strategic planning.

    • Sales Tax Returns

      Accurate sales tax return preparation and filing services for New Jersey businesses. Our team ensures proper tax calculations, timely submissions, and full compliance with state sales tax regulations across all jurisdictions where you conduct business.

    • Extended Tax Return Filing

      Professional extended tax return preparation when you need additional time. Our team handles extension filings, ensures compliance with deadlines, and prepares complete returns that minimize penalties while maximizing available deductions and credits.

    • Amended Tax Returns

      Expert preparation of amended tax returns to correct errors or claim overlooked deductions. Our New Jersey tax professionals identify filing mistakes, prepare accurate amendments to Form 1040-X, and handle all IRS correspondence to resolve discrepancies efficiently.

    • Prior Year Tax Returns

      Comprehensive preparation of unfiled prior year tax returns with penalty minimization strategies. Whether you’re an individual or a business, we help you catch up on outstanding filings while negotiating with tax authorities to reduce penalties and interest charges.

    Stop Stressing About Tax Preparation!

    New Jersey residents must navigate complex state and federal tax requirements. Our dedicated tax preparers handle every detail, ensuring accuracy and maximizing your refund, usually saving more than the cost of our fees.

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    Industry-Focused Tax Preparation Services Across New Jersey

    Every business operates differently, and your tax preparation should reflect those unique challenges. Our New Jersey tax preparation specialists deliver tailored strategies that ensure accuracy, compliance, and maximum savings. Here are some industries that benefit from our services.

    View All Industries We Serve

    Tax Preparation Done Right for Your Industry

    Our New Jersey CPAs understand your field, allowing us to prepare precise, compliant returns that uncover every possible tax advantage.

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    Our Proven Tax Preparation Process

    Professional tax preparation requires precision, consistency, and expert oversight. Our New Jersey tax preparers follow a structured, results-driven process designed to deliver accurate, optimized filings:

    1. 1. Comprehensive Document Review

      We start by gathering and reviewing every relevant document, including W-2s, 1099s, receipts, financial statements, and prior returns. This step ensures we identify all eligible deductions, credits, and income sources before starting your return.

    2. 2. Detailed Preparation & Strategic Analysis

      Using advanced software and deep tax expertise, our team prepares your return with precision. We analyze your financial situation from every angle, apply available deductions and tax-saving strategies, and optimize your filing to achieve the best possible outcome.

    3. 3. Rigorous Quality Review & Accuracy Check

      Before submission, every return goes through multiple layers of review. Our quality assurance process verifies calculations, confirms compliance, and ensures every detail accurately represents your financial position, allowing you to file with confidence.

    4. 4. Fast Electronic Filing & Ongoing Support

      Once approved, we file your tax return electronically for faster processing and quicker refunds. Our team monitors submission status, confirms acceptance, and remains available year-round to answer questions or handle follow-up communications with tax authorities.

    Don't Risk Tax Preparation Mistakes!

    Errors cost money and create ongoing stress. Our New Jersey tax preparers ensure accuracy, maximize refunds, and provide peace of mind during tax season and beyond.

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    Why Clients Choose Demian & Company for Tax Preparation

    Trusted Tax Preparation Services in New Jersey and Beyond

    With offices in Cranford and East Brunswick, we proudly serve clients throughout New Jersey and across all U.S. states. Our secure, fully digital systems make it easy to work with our NJ CPAs from anywhere, regardless of where you live or do business.

    Get Your Taxes Prepared Right with Demian & Company, LLC

    Tax preparation is about protecting your income, minimizing your liability, and ensuring long-term financial success. This isn’t an area where you want to rush or cut corners, so make sure you have the right team on your side. At Demian & Company, our New Jersey tax preparation advisors provide CPA-level guidance while optimizing your returns for maximum benefit.

    Don’t risk costly errors, missed deductions, or penalties. Let our trusted New Jersey tax preparers manage every detail with precision so you can proceed with confidence and peace of mind.

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      FAQs About Tax Preparation Services in New Jersey

      • How much does tax preparation cost in New Jersey?

        Professional tax preparation fees vary depending on the complexity of your return. Many New Jersey residents save more than they pay by leveraging our experience in maximizing deductions and avoiding penalties. Simple personal returns start at competitive rates, while more complex business returns are priced based on specific requirements. If you want a personalized tax quote in New Jersey, please contact Demian & Company, and we’ll be happy to help.

      • When should I start preparing my taxes in NJ?

        Tax preparation should start as soon as you receive your tax documents, usually in January. Starting early and being proactive allows for a thorough review, identification of missing documents, and planning for tax-saving strategies. In New Jersey, early tax planning ensures you avoid the last-minute rush and are fully prepared for filing before deadlines.

      • What documents do I need for tax preparation in New Jersey?

        For individuals in New Jersey, you'll need: W-2s, 1099s, receipts for deductions, mortgage interest statements, charitable donation receipts, and prior year returns. 

        For businesses, necessary documents include financial statements, expense receipts, payroll records, depreciation schedules, and other tax-related documents. Don’t worry; we provide a comprehensive checklist tailored to New Jersey residents to ensure your filing is accurate and complete.

      • Do you handle New Jersey state tax preparation?

        Yes, we specialize in both federal and New Jersey state tax preparation. Our team stays up-to-date with New Jersey’s changing tax laws and maximizes your state-specific deductions and credits to ensure you pay the least amount possible. We ensure that every part of your state return is filed correctly to comply with local tax regulations.

      • Can you prepare amended returns if I find mistakes in my tax return?

        Absolutely. We offer amended tax return services for New Jersey residents to correct any errors, claim overlooked deductions, or update filing details. Our team handles all necessary IRS correspondence and ensures that your amended return maximizes any refunds you may be entitled to.

      • What if I haven't filed taxes for previous years in New Jersey?

        Don’t worry! We specialize in preparing prior-year tax returns for individuals and businesses in New Jersey who have missed filing. Our team ensures accuracy and works with the IRS to reduce penalties so you can get back on track while minimizing any tax consequences.