Our Expertise

Meeting each client’s specific needs and helping them to achieve their goals is our mission. Let our team of experienced accountants and advisors help you, today.

Co-Ops and Condominiums

We assist in providing specialized audit, accounting, taxation and advisory services required of cooperative housing corporations and condominium associations around the NY state area.

Private Schools

For more than 30 years, our firm has provided specialized accounting, tax, and advisory services to help private primary and secondary schools thrive.

Legal and Professional Service

Legal and professional service providers often grapple with intricate billing structures, trust accounts, and client expense tracking, making their financial management unique.

Real Estate

Real estate transactions involve complex financial structures, property investments, and a multitude of tax considerations.

Healthcare Providers 

Healthcare organizations operate within a highly regulated and complex financial landscape, where precise record-keeping, compliance, and cost management are paramount.

Retail Stores

Retailers operate in a dynamic and competitive environment, with multipart financial transactions, inventory management, and sales tax considerations.


Nonprofits operate within a unique financial landscape, characterized by diverse funding sources, grant compliance, and stringent reporting requirements.

Restaurants & Franchise Groups

Restaurants function in a fast-paced and often complex environment, where managing expenses, revenue, and compliance with tax regulations can be challenging.

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Audits, Compilations, & Review Services

Clear and accurate financial statements are essential for any thriving business. They provide a snapshot of your financial health, guiding decisions and instilling confidence in stakeholders. Our team specializes in taking your financial data and shaping it into concise, comprehensible reports.

Tax and Advisory Services

We don’t believe that anyone can have a tax plan without doing tax planning. Venuti Mayoka is here to work with you, throughout the year, so you can have successful finances outcomes. We are up-to-date on all tax laws, whether they be local, state or federal, so that we can guide our clients and their businesses into compliance and a low audit-risk environment.

Client Accounting and Advisory Services

Companies with limited resources can access the skills and knowledge of a CFO even before they require a full time executive.. Our CFO services provide the same benefits as a full-time chief financial officer or controller without the full-time expense. We create a financial administration and planning structure that is tailored to the needs of each company, based on dash-boards and key performance indicators.

Business Organization and Growth

Success in business is a combination of hard work, wise decisions, timing and luck. Venuti Mayoka can help you gain a better understanding of your financial situation. Our team will create a customized accounting system that provides instant access to vital financial information as well as year-end reports.

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About Us

Prosky & Rosenfeld LLP is a full-service, Peer Reviewed, CPA firm which has provided professional and personalized quality accounting, auditing and tax related services to individuals and small to medium sized businesses since 1989.

Our mission is to help clients maintain financial viability now, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients’ needs through research and sound analysis. Prosky & Rosenfeld CPA is dedicated to meeting these goals with high standards of excellence and professionalism.

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Our Team

Larry Prosky

Larry Prosky is a founding member of Prosky & Rosenfeld LLP. With more than 40 years of CPA experience, he provides a wide range of services to high-net-worth individuals and closely held businesses. Services include small business accounting and financial reporting (audits, reviews, compilations, and preparations), and all aspects of tax preparation and planning, including individual/partnership/corporation/fiduciary-estate taxes.

Larry has extensive experience working with clients in real estate (including cooperatives and condominiums), manufacturing, law and medical professions, sales and consultants, insurance, and financial services. He prides himself in maintaining open lines of communication with his clients and being readily and eagerly available to assist them.

Larry currently is a member of the New York State Society of CPAs, as well as the National Conference of CPA Practitioners, where he serves as a board member. Previously, he was treasurer of The Suburban Temple of Wantagh and a school board member in the Bellmore Union Free School District.

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Steve Rosenfeld

Steve Rosenfeld is a founding member of Prosky & Rosenfeld LLP. With more than 40 years of CPA experience, he has worked extensively with high-net-worth individuals and small to medium-sized businesses. He has performed accounting and auditing services in diverse industries, including professional services, manufacturing, apparel, education, real estate, and financial services. He has provided tax preparation, consulting, and planning for individuals and all types of closely held businesses. Steve enjoys maintaining close and personal relationships with his clients.

Steve possesses specialized and unique expertise with educational programs funded under Article 81 and Article 89 of New York State Education Law, having worked in this field since 1982. He is familiar with the specific reimbursement methodology prescribed by the New York State Education Department and has performed audit services in this field for over thirty years. Steve prides himself in providing invaluable consulting services to education providers across a wide spectrum of operating and funding issues and has testified in various legal and arbitration proceedings in this area.

Steve is currently a member of the National Conference of CPA Practitioners.

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Mark Mayoka, CPA, JD, Author

Managing Partner
Certified Public Accountant

Mark Mayoka is an esteemed Certified Public Accountant (CPA) with a rich and diverse background in business planning, boasting an impressive career spanning over 35 years.

Throughout his extensive career, Mark has played a pivotal role in facilitating numerous mergers, acquisitions, and initial public offerings (IPOs), harnessing his financial expertise to navigate intricate transactions to successful outcomes. His leadership extends to overseeing comprehensive international and domestic tax planning strategies, benefitting both corporations and high-net-worth individuals by optimizing tax efficiency.

Over the years, Mark has worked closely on critical aspects such as tax planning, fraud prevention, corporate governance, and strategic planning across a diverse spectrum of industries, ranging from the dynamic low-voltage sector to the intricate world of banking. Additionally, he has seamlessly transitioned into providing Chief Financial Officer (CFO) functions for both public and private firms, specializing in pre-IPO planning.

Mark Mayoka’s academic accomplishments include graduating Cum Laude from SUNY Albany, and obtaining a law degree from Pace Law School. Furthermore, he is the accomplished author of “Financial Crisis Planning for Small Businesses,” a testament to his expertise in financial planning and crisis management. His dedication and extensive experience continue to make a profound impact in the financial landscape, benefiting clients and industries across the board.

Mark has also served four years as a Huntington Town Councilman, is president of the Cold Spring Harbor Civic Association, NYSSCPA, the AICPA and founding member of NCCPAP.

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Brittany Mayoka


Sean Mayoka

Senior Tax Accountant
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