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Trusted Accounting and Business Consulting Services in Valhalla, NY
Hart Vida & Partners is a specialized accounting, tax, and management consulting firm dedicated to supporting growth-oriented small and medium-sized businesses, investor groups, family offices, and high-net-worth individuals. Our expertise lies in optimizing cash flow through our proprietary FlowFirst management model, which integrates sales, operational, and financial processes to accelerate business growth. With a focus on U.S. and international clients establishing operations in the United States, we provide tailored accounting services, tax planning, and transaction advisory solutions designed to enhance profitability and long-term success. Our team of certified professionals combines deep industry experience with a client-centric approach, offering customized financial reporting, audit preparation, and strategic guidance to help businesses navigate complex regulatory environments.

By prioritizing financial flow as the foundation for operational and sales improvements, we deliver actionable insights that drive liquidity and sustainable growth. Our services extend to back-office outsourcing, corporate tax management, and private client advisory, ensuring comprehensive support for clients across diverse industries. Through decades of hands-on experience in financial operations and a robust network of subject-matter experts, we empower businesses to maximize valuation, execute transactions, and achieve strategic objectives while maintaining compliance with evolving tax regulations.
Services
Accounting Services Tax Preparation Management Consulting Transaction Advisory CFO Advisory Audit Support Private Client Services Back Office Operations Corporate Tax Management Financial Reporting
Highlights and features
  • We offer decades of experience in accounting and financial consulting for growth-oriented businesses.
  • Our FlowFirst management model integrates sales, operations, and financial flows to maximize cash flow.
  • We specialize in serving international clients establishing U.S. operations.
  • Our team includes certified CPAs with expertise in tax compliance and transaction advisory.
  • We provide customized solutions for private clients, including family offices and high-net-worth individuals.
What people say
Expert system integration Cash flow optimization Tailored accounting solutions Deep industry expertise Proven growth strategies
Services
Accounting Services
Our accounting services provide businesses with accurate financial statements, budgeting, and forecasting to support informed decision-making. We implement accounting systems, review internal controls, and ensure compliance with GAAP standards. Our team assists with monthly close processes, payroll, and tax filings while offering customized solutions for non-U.S. corporations operating in the United States.
Tax Preparation
We offer comprehensive tax preparation and planning services for individuals, businesses, and estates. Our experts analyze federal, state, and local tax regulations to minimize liabilities while maintaining compliance. We represent clients during audits and develop strategies to leverage tax incentives, credits, and deductions for optimal financial outcomes.
Management Consulting
Our management consulting services focus on improving organizational performance through the FlowFirst model. We help clients develop business plans, restructure operations, and enhance cash flow by aligning sales, operational, and financial processes. Our team provides interim leadership and change management support to drive growth and operational excellence.
Transaction Advisory
We assist businesses with merger and acquisition strategies, including due diligence, valuation, and post-transaction integration. Our advisors help clients prepare for capital raises, recapitalization, or business exits while developing long-term exit strategies tailored to their financial goals and market conditions.
Private Client Services
Designed for business owners and high-net-worth individuals, our private client services integrate tax, accounting, and estate planning. We collaborate with trusted partners to deliver holistic solutions for complex financial needs, ensuring seamless management of wealth, compliance, and intergenerational planning.
People
Alexander J. Hart
Principal
Alexander J. Hart is a CPA and MBA professional with extensive experience in financial strategy and business operations. He co-founded Hart Vida & Partners to deliver integrated financial solutions that address governance, budgeting, and growth challenges for clients.
Stella M. Vida
Managing Principal
Stella M. Vida, a certified public accountant, brings deep expertise in accounting and tax advisory to Hart Vida & Partners. She leads strategic initiatives and client engagements, focusing on optimizing financial flows and operational efficiency for growth-oriented businesses.
Jacqueline Devaux
Partner
Jacqueline Devaux, a CPA, specializes in accounting and tax services for businesses and private clients. She contributes to developing customized financial strategies and ensuring compliance with evolving tax regulations while supporting international clients establishing U.S. operations.
Vincent M. Marzella
Managing Director Accounting and Tax
Vincent M. Marzella oversees accounting and tax operations at Hart Vida & Partners. With a CPA designation, he provides expert guidance on financial reporting, compliance, and tax planning for businesses and high-net-worth individuals.
Maria Mosa
Office Manager and Director of Communication
Maria Mosa manages office operations and client communications at Hart Vida & Partners. She ensures seamless coordination between teams and clients while maintaining the firm's commitment to exceptional service delivery.
Questions
What accounting services does Hart Vida & Partners offer?
We provide bookkeeping, financial reporting, budgeting, audit preparation, and back-office operations tailored to small and mid-sized businesses.
How does the FlowFirst model improve cash flow?
FlowFirst integrates sales, operational, and financial processes to accelerate cash conversion by identifying inefficiencies and optimizing financial flows.
Do you serve international clients?
Yes, we specialize in helping international businesses establish U.S. operations with comprehensive accounting, tax, and compliance solutions.
What tax services are available for private clients?
We offer tax planning, preparation, and compliance services for high-net-worth individuals, estates, and family offices to minimize liabilities.
How do you support business transactions?
Our transaction advisory services include due diligence, valuation strategies, and M&A support to maximize business valuation during sales or acquisitions.