Business Details
Trusted Accounting & Tax Services in Hamilton, NJ
KSM Group CPAs has been dedicated to helping individuals and businesses achieve financial growth and success for decades. Our team of certified professionals combines the capabilities of a large firm with the personalized attention only a small firm can provide. We specialize in tax services, accounting, financial planning, and business advisory solutions tailored to diverse industries, including healthcare, law, education, and content creation. With expertise in international tax laws, QuickBooks integration, and strategic business planning, we serve clients in Hamilton, Princeton, Mercer County, and beyond.Our commitment to community and multilingual support in English, Polish, and Arabic reflects our dedication to accessibility and client-centric service. For over 20 years, we have prioritized transparency, accuracy, and proactive financial guidance to build lasting relationships with our clients.
Services
Tax Preparation
Financial Planning
Business Accounting
QuickBooks Setup
Payroll Services
New Business Formation
Forensic Accounting
Estate Tax Planning
Cryptocurrency Tax Accounting
Highlights and features
- We offer over 20 years of experience in accounting and tax services.
- Our team provides multilingual support in English, Polish, and Arabic.
- We prioritize personalized financial strategies tailored to client goals.
- Our CPAs are experts in international tax law and QuickBooks integration.
- We maintain year-round availability for proactive tax and business planning.
Associations and certifications
- AICPA
- New Jersey Society of CPAs
- National Society of Tax Practitioners
What people say
Exceptional CPA service
Fast, professional advice
Highly trustworthy
Outstanding service
Detailed expertise
Services
Tax Preparation
Our tax preparation services ensure accurate and timely filing for individuals and businesses, leveraging the latest tax law changes to maximize savings. We specialize in complex returns for content creators, international income, and high-net-worth clients. Our team minimizes liabilities while maintaining compliance through strategic planning and audit readiness.
Business Accounting
We provide full-cycle accounting for small businesses, including monthly financial reviews, balance sheet analysis, and account reconciliation. Our services streamline financial operations, improve cash flow management, and support data-driven decision-making. We cater to industries like healthcare, law, and education with tailored solutions.
QuickBooks Setup
Our QuickBooks ProAdvisors offer customized setup, training, and optimization for QuickBooks Online and Desktop. We integrate systems with HR and payroll tools, troubleshoot technical issues, and ensure accurate financial tracking. Services support businesses transitioning from other platforms or starting fresh.
New Business Formation
We assist entrepreneurs with entity selection, cash flow projections, and payroll setup to establish strong financial foundations. Our services include federal/state ID filings, QuickBooks configuration, and risk management strategies. We guide startups through regulatory compliance and capital sourcing.
Financial Planning
Our comprehensive financial planning addresses retirement, education savings, estate preservation, and investment strategies. We collaborate with trusted attorneys and advisors to create personalized roadmaps. Services emphasize tax-efficient growth and risk mitigation for long-term wealth security.
People
Richard Strauss
Partner
With over 40 years of experience, Richard holds an MBA in Accountancy and AICPA tax certification. He specializes in strategic tax planning for businesses and individuals. Active in community organizations, he's licensed in NJ and NY.
Nick Mousa
Partner
A CPA and CFP, Nick focuses on holistic financial planning and crypto taxation. He advises family-owned businesses and leverages QuickBooks expertise. He joined the firm in 2019 after years of specializing in tax compliance and wealth management.
A.J. Pietrinferno III
Principal
With 30+ years as a public accountant, A.J. specializes in corporate tax and R&D credits. He joined KSM in 2025, bringing experience from his former firm. He serves clients in Mercer County and surrounding areas.
D.J. Spoltore
Principal
D.J. has 40+ years of experience in individual and business taxation. A Mercer County resident, he merged his solo practice with KSM in 2025. He focuses on personalized service for small businesses and local clients.
David Attner
Principal
David contributes 40+ years of public and corporate accounting expertise. He specializes in individual taxation and joined KSM after merging his Ocean Township practice. His focus remains on compliance and client education.
Questions
What should I do if I made a mistake on my taxes?
We help resolve tax errors through audit representation, penalty abatement, and amended filings. Our team works with the IRS to correct issues and prevent future mistakes.
How can QuickBooks benefit my business?
QuickBooks streamlines accounting through automated financial tracking, reporting, and payroll integration. Our setup services ensure optimal configuration for your business needs.
What services do you offer for new businesses?
We assist with entity selection, cash flow planning, QuickBooks setup, and payroll configuration to establish a strong financial foundation for startups.
Do you provide financial planning for families?
Yes. We create customized plans addressing retirement, education savings, estate preservation, and risk management to secure your family's financial future.
Are your services available in multiple languages?
We offer accounting and tax services in English, Polish, and Arabic to accommodate diverse client needs.
