Business Details
44 Years
experience
Trusted Accounting, Tax, and Advisory 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, we have provided tailored solutions to minimize taxes and maximize after-tax income through our expertise in tax preparation, accounting, payroll, and advisory services. Our team of CPAs and advisors combines decades of experience with a commitment to personalized service, ensuring clients receive actionable advice and strategic guidance. Headquartered in Overland Park, Kansas, we serve clients nationwide, maintaining a focus on integrity, responsiveness, and client-centric solutions.Our professionals hold advanced certifications, including QuickBooks ProAdvisor status, and bring deep industry knowledge from roles at top firms like Ernst & Young and Accenture. We specialize in business formation, financial planning, and tax compliance, offering year-round support to address evolving financial needs. Our client testimonials highlight our team's professionalism, expertise, and ability to deliver value through sound tax strategies and efficient accounting practices. With a legacy of trust built over 40 years, we remain dedicated to simplifying complex financial matters for individuals and businesses alike.
Services
Tax Preparation
Accounting
Payroll Services
Advisory Services
Estate & Trust Tax
Details
- Year established: 1982
Highlights and features
- We offer 40+ years of experience in accounting and tax services since 1982.
- Our team includes CPAs with backgrounds at top-tier firms like Ernst & Young.
- We provide personalized, year-round financial guidance tailored to client needs.
- Our services integrate advanced tools like QuickBooks ProAdvisor-certified solutions.
- We guarantee responsive, transparent communication with every client.
Associations and certifications
- Certified Public Accountants (CPA)
What people say
Professional, experienced, helpful
Great leader
Valued partner
Expert in accounting
Responsive and reliable
Services
Tax Preparation
We prepare federal, state, and local tax returns for individuals, businesses, and estates while identifying deductions to minimize liabilities. Our team stays updated on evolving tax laws to ensure compliance and optimize savings. Clients benefit from strategic planning and representation during audits.
Accounting
Our accounting services include software implementation, financial statement preparation, and monthly reconciliation to maintain accurate records. We help businesses streamline processes and improve financial visibility through customized reporting and policy development tailored to their industry needs.
Payroll Services
We manage payroll tax compliance, W2/1099 filings, and deposit processing to ensure timely and accurate employee payments. Our solutions reduce administrative burdens while maintaining adherence to federal and state regulations, allowing businesses to focus on growth.
Advisory Services
Our advisory team provides guidance on business formation, financial planning, and operational efficiency improvements. We offer outsourced CFO services and cash flow analysis to help clients make informed decisions aligned with their long-term financial goals.
Estate & Trust Tax
We handle tax preparation and planning for estates and trusts, including gift tax strategies and representation before taxing authorities. Our expertise ensures compliance with complex regulations while preserving asset value for beneficiaries through proactive planning.
People
Nick Ong
Principal
Nick Ong & Company & Company, CPA, leads Ong & Company & Company with expertise in tax strategy and business advisory. He holds an MBA from Notre Dame and has prior experience at Ernst & Young, Accenture, and CenturyLink, specializing in financial optimization for corporations.
Elden Geist
Manager
Elden Geist, CPA, manages client relationships and tax compliance solutions. With deep experience in public accounting, he focuses on strategic tax planning and financial reporting for small businesses and high-net-worth individuals.
Justin Joo
Manager
Justin Joo oversees payroll and accounting services, ensuring compliance and efficiency for business clients. He specializes in tax law updates and operational improvements, leveraging technology to streamline financial processes for growing companies.
Susan Curtis
Senior Accountant
Susan Curtis, EA, provides expert tax preparation and advisory services for individuals and small businesses. Her focus areas include retirement planning and investment strategies, helping clients maximize after-tax income through personalized solutions.
Jeisun Lawson
Director of Operations
Jeisun Lawson manages firm operations and client service delivery. With a background in office administration and process optimization, she ensures seamless coordination between teams to maintain high standards of client satisfaction and operational efficiency.
Questions
What accounting services do you offer?
We provide full-cycle accounting services including software implementation, bookkeeping, financial statement preparation, and reconciliation for businesses of all sizes.
Do you handle both individual and business tax preparation?
Yes, we prepare federal, state, and local tax returns for individuals, corporations, estates, and trusts, along with strategic tax planning.
Are your advisors certified professionals?
Our team includes Certified Public Accountants (CPAs) and Enrolled Agents with advanced certifications like QuickBooks ProAdvisor.
How do you support business clients year-round?
We offer ongoing advisory services for business formation, payroll compliance, financial planning, and tax strategy to ensure year-round financial health.
Can you assist with payroll processing?
Yes, we handle payroll tax compliance, W2/1099 preparation, and deposit processing for businesses of all sizes.
What areas do you serve?
While based in Overland Park, Kansas, we provide services to clients nationwide through secure digital platforms.
