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Trusted Tax & Accounting Services in Fullerton, CA
At ArrietaCPA, we pride ourselves on delivering personalized financial solutions grounded in professionalism, responsiveness, and unwavering quality. Our husband-and-wife team combines decades of expertise to serve individuals and businesses across industries, offering tailored tax preparation, accounting, and financial planning services. With a commitment to understanding each client's unique needs, we provide close, individualized attention while leveraging our collective organizational strengths. Our dedication to continuous professional education ensures we stay ahead of evolving financial regulations, empowering clients to make informed decisions.

Recognized for our technical excellence and client-centric approach, we prioritize transparency and accessibility, ensuring every client receives timely, accurate advice. Founded in 2013 by CPAs with deep roots in Orange County, our practice has grown through client referrals, reflecting our ability to build trust and deliver results. We specialize in bridging complex financial challenges with practical solutions, from tax compliance to strategic planning, while maintaining a personal touch that sets us apart in the industry.
Services
Bookkeeping Payroll Services Incorporation Assistance Individual Tax Prep Corporate Tax Prep Sales Tax Filing Electronic Filing IRS Audit Representation
Highlights and features
  • We offer personalized tax solutions tailored to your unique financial situation.
  • Our team includes CPAs with over a decade of combined experience in accounting.
  • We provide responsive, accurate advice for individuals and businesses of all sizes.
  • Our growth is driven by client referrals, reflecting our commitment to trust.
  • We maintain high standards through continuous professional education and development.
Services
Individual Tax Preparation
We prepare accurate, compliant individual income tax returns while identifying deductions and credits to minimize liability. Our CPAs analyze your financial situation to optimize tax benefits and ensure adherence to federal and state regulations. Clients receive strategic guidance to improve their tax position for future filings.
Corporate Tax Preparation
Comprehensive corporate tax return preparation for businesses of all sizes, including S-corps and C-corps. We ensure compliance with complex tax codes while implementing strategies to reduce taxable income. Our services include quarterly estimated tax calculations and multi-state filing coordination.
IRS Audit Representation
Professional representation during IRS audits to protect your interests and resolve issues efficiently. Our CPAs communicate directly with tax authorities, organize documentation, and develop defense strategies tailored to your specific audit circumstances.
Bookkeeping Services
Accurate day-to-day financial transaction recording and account reconciliation services. We maintain organized ledgers to provide real-time financial insights, supporting better business decisions and seamless year-end tax preparation processes.
Payroll Processing
Complete payroll management including wage calculations, tax withholding, and regulatory compliance. We handle payroll tax filings and direct deposits while ensuring adherence to changing labor laws and tax requirements.
People
Favio Arrieta
CPA
Favio Arrieta, co-founder of Arrieta CPA, graduated from Cal State Fullerton with a finance emphasis. Licensed as a CPA in 2013, he specializes in tax strategy and financial planning while leveraging his Costa Rican heritage to serve diverse clients.
Claudia Arrieta
CPA
Claudia Arrieta, co-founder and CPA, holds an accounting degree from Cal State Fullerton. Since obtaining her CPA license in 2013, she has focused on corporate tax compliance and personalized accounting solutions for Orange County businesses.
Questions
What accounting services do you offer for small businesses?
We provide bookkeeping, payroll processing, corporate tax preparation, and financial planning tailored to small business needs.
Do you handle IRS audit representation?
Yes, our CPAs offer full audit representation services, including documentation organization and direct communication with tax authorities.
Can you assist with both personal and corporate tax filings?
We specialize in both individual and corporate tax preparation, including complex multi-state filings for businesses.
Are your services available remotely?
Yes, we serve clients nationwide through secure digital platforms while maintaining personalized communication.
How do you stay updated on tax law changes?
Our CPAs complete ongoing professional education to ensure compliance with the latest tax regulations and standards.
What sets your firm apart from other accounting services?
We combine technical expertise with personalized attention, offering customized solutions through our collaborative husband-and-wife CPA team.