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Business Details
30 Years
experience
Your Trusted Partner for Accounting Services in Southern California
At Casillas Accountancy Group, our first priority is the success of our clients. Since 1988, we have built our practice through word-of-mouth referrals, delivering honest, efficient, and enduring relationships. Our approach is rooted in personal servicehelping clients achieve financial goals by understanding their unique circumstances. With decades of experience, we specialize in tax planning, estate planning, IRS audit representation, and business planning services tailored to individual and business needs.

Our team actively participates in community initiatives, reinforcing our commitment to making a positive impact beyond accounting. Founder Robbie Casillas leads by example, coaching local youth sports and advocating for community growth. We pride ourselves on growing conservatively to maintain a client-first focus, ensuring every interaction leaves you confident in our ability to support your long-term success.
Services
Tax Services Estate Planning IRS Audit Representation Financial Statement Representation Business Planning Services Payroll Preparation Sales Tax Returns Financial Support Bill Pay Service Business Entity Selection
Details
  • Year established: 1996
Highlights and features
  • Our team has been providing excellence since 1988.
  • We offer a personal approach to every client relationship.
  • Active community involvement demonstrates our values beyond accounting.
  • Services are tailored to individual and business financial goals.
  • Founders leadership in local youth sports reflects our client-focused philosophy.
Services
Tax Services
Casillas Accountancy Group offers comprehensive tax planning and preparation for individuals and businesses. Our expertise includes personal and corporate tax strategies, maximizing savings while ensuring compliance. With decades of experience, we guide clients through complex tax codes and provide tailored solutions for optimal financial outcomes.
Estate Planning
Our estate planning services ensure your assets follow your wishes through legal frameworks like wills and trusts. We collaborate with clients to create customized plans that address inheritance, tax implications, and long-term security. This service provides peace of mind by safeguarding your legacy for future generations.
IRS Audit Representation
IRS audit representation prepares clients for examinations and provides advocacy throughout the process. We explain potential outcomes, organize documentation, and communicate with tax authorities on your behalf. Our goal is to minimize stress and resolve audits efficiently while protecting your interests.
Business Planning Services
Business planning services combine client passion with our industry expertise to develop growth strategies. We assist with entity selection, financial forecasting, and operational planning. This service aligns business goals with practical steps for sustainable success in competitive markets.
Payroll Preparation
Payroll preparation ensures accurate employee compensation and tax reporting. We manage wage calculations, tax withholdings, and compliance with labor regulations. This service streamlines payroll processes, reducing administrative burdens while maintaining precision for businesses of all sizes.
People
Robert J. Casillas
CPA, Founder
Founder Robert J. Casillas, a licensed CPA since 1988, has built Casillas Accountancy Group with a focus on client relationships and community involvement. His career spans decades of hands-on accounting and mentoring, combining disciplined work ethics with a passion for empowering clients.
Christina Casillas
Business Management
Christina Casillas has managed administrative operations since the firms inception, overseeing payroll, health insurance, and bookkeeping. Her organizational skills and dedication ensure smooth day-to-day operations, supporting both clients and team members.
Brenda
Staff Accountant
Brenda brings over 30 years of experience in accounting, specializing in bookkeeping, payroll, and client management. Her expertise ensures accurate financial reporting and personalized support, making her integral to the firms daily success.
Julian Casillas
Staff Accountant
Julian Casillas contributes real estate accounting expertise and a solutions-oriented mindset. A Masters in Accounting graduate, he is preparing for the CPA exam while applying his skills to enhance client services across tax and financial domains.
Questions
What accounting services does Casillas Accountancy Group offer?
We provide tax preparation, estate planning, IRS audit representation, business planning, payroll services, and financial statement representation tailored to client needs.
What makes your firm different from other accounting firms?
Our personal approach, decades of experience, and commitment to community values set us apart, ensuring client success through transparent relationships.
How does your firm support community involvement?
Founder Robbie Casillas coaches youth football and advocates for charitable initiatives, reflecting our dedication to positive community impact beyond accounting.
Can you assist with IRS audit preparation?
Yes, we guide clients through IRS audit processes, explaining expectations and representing your interests to resolve matters efficiently.
What areas do you serve?
We primarily serve Orange and Riverside Counties, offering in-person and virtual consultations for convenience.