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Business Details
25 Years
experience
Expert Accountants Serving Jericho Since 2001
Since 2001, Beneventano Mastrogiannis has delivered personalized professional accounting services to the Jericho community, prioritizing enduring client relationships. Our firm specializes in tax planning, preparation, and filing for individuals, corporations, partnerships, and fiduciaries, complemented by comprehensive financial services. We focus on core tax and accounting solutions while maintaining a small-firm environment that fosters accessibility and personalized attention. Our team stays current with evolving tax laws to ensure compliance and maximize deductions, offering year-round strategic planning for both personal and business clients.

We differentiate ourselves by matching clients with dedicated accountants, establishing ongoing advisory relationships rather than transactional interactions. With expertise in estate tax planning, corporate tax strategy, and IRS representation, we provide tailored solutions to minimize liabilities and optimize financial growth. Our commitment extends beyond tax returnswe develop holistic financial plans for retirement, education savings, and asset protection while maintaining ethical standards in all service delivery.
Services
Tax Preparation Estate Tax Planning IRS Representation Sales Tax Compliance Corporate Tax Services Financial Calculators Paycheck Calculators
Details
  • Year established: 2001
Highlights and features
  • We provide year-round tax planning with 24+ years of local expertise
  • Our dedicated accountants build ongoing advisory relationships with clients
  • Specialized in complex estate, gift, and trust tax strategies
  • We combine deep tax code knowledge with personalized financial planning
  • Proven success in IRS representation and tax problem resolution
Services
Tax Preparation
We prepare accurate federal and state tax returns for individuals and businesses, utilizing electronic filing for faster refunds. Our experts identify all eligible deductions and credits while ensuring compliance with current tax codes. Services include personal income, corporate, partnership, and fiduciary returns.
Estate Tax Planning
Our specialists handle complex estate, gift, and trust tax returns while developing strategies to minimize liabilities. We advise on irrevocable trusts, charitable giving, and business succession planning to protect assets across generations. Continuous monitoring ensures compliance with evolving estate tax regulations.
IRS Representation
We provide professional representation before the IRS and state tax authorities for audit defense and collections. Our team negotiates Offers in Compromise and develops payment plans to resolve tax debts while minimizing penalties and interest accumulation during proceedings.
Sales Tax Compliance
We manage sales tax registration, filings, and audit defense across multiple jurisdictions. Our services include compliance strategy development, exemption guidance, and preparation of periodic filings to maintain regulatory adherence while optimizing tax positions.
Corporate Tax Services
We provide comprehensive tax planning and compliance for corporations, including C and S corporations. Services cover quarterly estimated payments, year-end filings, and strategic planning to minimize tax liabilities while supporting business growth objectives.
Questions
What types of tax services do you offer?
We handle all aspects of tax planning and compliance including individual returns, corporate taxes, estate planning, sales tax, and IRS representation for both personal and business clients.
Can you help with tax problems?
Yes, we specialize in resolving IRS and state tax issues including audit defense, collection negotiations, and Offers in Compromise to settle tax debts confidentially.
Do you provide year-round tax planning?
We offer continuous tax strategy services to help individuals and businesses implement planning opportunities that reduce annual tax liabilities and support financial goals.
What areas do you serve?
Primarily serving Jericho, NY and surrounding areas with personalized accounting services for individuals and businesses across Long Island.
Are you available for consultations?
We provide complimentary initial consultations to discuss your specific tax and financial planning needs with our experienced accounting professionals.