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Trusted Accounting & Tax Services in Lake Grove, NY
At James Castaldo CPA & Associates, we provide personalized support tailored to the unique financial needs of businesses and individuals across Long Island. Our firm, established by James Castaldo, a seasoned CPA with extensive experience in tax compliance and financial strategy, offers comprehensive accounting, tax planning, and IRS resolution services. We prioritize building long-term professional relationships by delivering ethical, proactive solutions that minimize tax liabilities and maximize financial efficiency. Our expertise spans business incorporation, estate planning, QuickBooks support, and specialized advisory services for industries including construction, technology, and non-profits.

With offices in Melville, Hauppauge, and Lake Grove, we combine local accessibility with the depth of knowledge required to navigate complex tax regulations. Our commitment to continuous education ensures clients benefit from the latest strategies in tax law changes, while our free initial consultations underscore our dedication to transparency and client empowerment. By focusing on clear communication and customized financial roadmaps, we aim to be the trusted partner businesses and individuals rely on for sustainable financial success.
Services
Tax Preparation Accounting Services IRS Problem Resolution QuickBooks Support Business Incorporation Estate Planning Tax Planning Non-Profit Tax Services Small Business Accounting Outsourced Bookkeeping
Highlights and features
  • We offer free initial consultations to understand your unique financial needs.
  • Our team includes a CPA with 20+ years of experience in tax compliance and strategy.
  • We specialize in industry-specific tax planning for construction, technology, and non-profit sectors.
  • We provide certified QuickBooks ProAdvisor support for seamless financial management.
  • Our firm has successfully resolved complex IRS tax debt cases for businesses.
Services
Tax Preparation
Our tax preparation services ensure accurate, compliant filings for individuals and businesses while identifying deductions to reduce liabilities. We specialize in complex returns for construction, technology, and non-profit sectors. With proactive planning, we help clients maximize refunds and avoid penalties through strategic documentation.
IRS Problem Resolution
We resolve IRS issues including audits, liens, levies, and back taxes through proven negotiation strategies. Our team secures installment agreements, offers in compromise, and penalty abatements. With deep knowledge of tax code, we protect clients' assets while achieving sustainable debt resolution tailored to their financial situation.
QuickBooks Support
As certified ProAdvisors, we optimize QuickBooks for small businesses through setup, training, and ongoing support. Our services include version selection, data cleanup, report generation, and workflow integration. We empower clients to maintain accurate financial records while leveraging software capabilities for better business decision-making.
Business Incorporation
We guide new businesses in selecting optimal legal structures to minimize taxes and protect assets. Services include entity selection, business plan development, and compliance strategy. By analyzing ownership models and growth goals, we establish foundations for long-term financial efficiency and regulatory compliance.
Estate Planning
Our estate planning services create tailored strategies for asset preservation and transfer. We coordinate wills, trusts, and tax-efficient distributions to align with clients' legacy goals. By addressing succession planning and retirement needs, we ensure financial security for families and business owners across Long Island.
People
James Castaldo
CPA
James Castaldo is a licensed CPA with over 20 years of experience in tax strategy and financial compliance. He previously served as Compliance Manager at Cablevision Systems Corporation and held senior roles at L-3 Communications and Bender Cicotto & Co. He holds an MS in Taxation from Long Island University and a BA in Business Administration from Hofstra University.
Questions
What services does James Castaldo CPA & Associates offer?
We provide tax preparation, accounting, IRS resolution, business incorporation, estate planning, QuickBooks support, and industry-specific advisory services for construction, tech, and non-profit sectors.
Do you offer a free consultation?
Yes, we provide a free initial consultation to discuss your financial needs and develop a customized strategy tailored to your business or personal goals.
How can you help with IRS tax debt?
Our firm negotiates IRS liens, levies, audits, and back taxes using strategies like installment agreements, offers in compromise, and penalty abatements to reduce liabilities.
Are you certified QuickBooks ProAdvisors?
Yes, we are Long Island QuickBooks Certified ProAdvisors offering software setup, training, data cleanup, and ongoing support to optimize financial management for small businesses.
What industries do you specialize in?
We specialize in tax and accounting services for construction, technology, transportation, entrepreneurial businesses, and non-profits with tailored compliance and planning strategies.
Where are your offices located?
We have three convenient locations on Long Island: Melville, Hauppauge, and Lake Grove, serving Suffolk County businesses and residents with personalized financial solutions.