Business Details
44 Years
experience
Expert Accounting & Tax Services in Overland Park, KS
Ong & Company & Company is a professional accounting, tax, and advisory services firm dedicated to helping small businesses and individuals achieve their financial goals. Since 1982, our team of CPAs and advisors has specialized in structuring finances to minimize taxes and maximize after-tax income for clients across the United States. Headquartered in Overland Park, Kansas, we offer comprehensive services including tax preparation and planning, accounting software implementation, payroll processing, and strategic business advisory. Our professionals bring deep expertise from prestigious institutions and firms like Ernst & Young, Accenture, and CenturyLink, ensuring clients receive actionable, relevant advice year-round.We prioritize personalized service, maintaining transparency and integrity while staying current with evolving tax regulations. With a client-centric approach, we provide representation before taxing authorities, financial statement preparation, and outsourced CFO services tailored to individual and corporate needs. Our commitment to excellence is reflected in long-term client relationships spanning decades, supported by our status as QuickBooks ProAdvisors. We combine technical proficiency with responsive support, handling complex tax matters for businesses, estates, and individuals while fostering trust through consistent, reliable service delivery.
Services
Tax Preparation
Accounting Services
Payroll Processing
Advisory Services
Estate & Trust Tax
Details
- Year established: 1982
Highlights and features
- We offer 40+ years of combined experience in tax and accounting services
- Our team includes CPAs and QuickBooks ProAdvisors with industry expertise
- We provide year-round financial guidance, not just seasonal tax preparation
- We serve clients nationwide with localized Overland Park, KS expertise
- We combine technical excellence with personalized, responsive service delivery
What people say
Professional, experienced, helpful
Best organization in Kansas City
Sound, productive advice
Expert in field
Highest integrity
Services
Tax Preparation
We prepare federal, state, and local tax returns for individuals, businesses, and estates. Our CPAs specialize in minimizing liabilities through strategic planning and identifying eligible deductions. Clients receive comprehensive support for complex tax situations including investment income, retirement planning, and business transactions.
Accounting Services
Our team implements accounting software, maintains financial records, and prepares statements for businesses. Services include monthly reconciliations, fixed asset tracking, and policy development to ensure accurate financial reporting and regulatory compliance for growing organizations.
Payroll Processing
We handle full payroll administration including tax filings, W-2/1099 preparation, and compliance monitoring. Our services ensure accurate employee payments, timely tax deposits, and adherence to federal and state labor regulations while reducing administrative burdens for businesses.
Advisory Services
Our advisors assist with entity selection, cash flow management, and retirement planning. We provide strategic guidance for business acquisitions, financial forecasting, and operational improvements to enhance profitability and long-term sustainability for clients at all growth stages.
Estate & Trust Tax
We prepare and plan taxes for estates and trusts while offering gifting strategies and compliance services. Our experts navigate complex inheritance regulations, file necessary documentation, and provide representation during audits to protect clients' assets across generations.
People
Nick Ong
Principal
CPA with 15+ years of experience, former Ernst & Young consultant, and Notre Dame MBA graduate specializing in strategic financial optimization for businesses and individuals.
Elden Geist
Manager
Certified Public Accountant delivering tailored tax solutions and business advisory services with extensive experience in financial operations and compliance management.
Justin Joo
Manager
Experienced accounting professional overseeing client engagements and ensuring high-quality service delivery for tax and advisory mandates.
Susan Curtis
Senior Accountant
Seasoned tax specialist with expertise in individual and business tax preparation, focusing on maximizing deductions and ensuring regulatory compliance.
Lisa Pike
Senior Accountant
Dedicated accounting professional handling complex tax returns and providing financial reporting expertise to support client business decisions.
Questions
What accounting services do you offer?
We provide full-cycle accounting services including software implementation, financial statement preparation, payroll processing, and outsourced CFO services tailored to business needs.
How do you handle tax representation?
Our CPAs represent clients before federal and state taxing authorities, handling tax notices, audits, and compliance matters with proactive communication.
Do you work with out-of-state clients?
Yes, we serve clients nationwide while maintaining deep expertise in Kansas and Missouri tax regulations through our Overland Park headquarters.
What makes your firm different?
Our combination of Big 4 accounting experience, personalized service, and QuickBooks ProAdvisor certification delivers technical excellence with individualized attention.
How do you stay updated on tax changes?
We maintain CPA certifications and industry memberships while participating in continuing education to ensure compliance with evolving federal and state regulations.
