Business Details
22 Years
experience
Your Trusted Riverside CPA Firm for Business & Individual Tax Services
Ayoub Sidhum CPA Firm has been a trusted accounting resource for businesses and individuals since 2004. Our team of certified professionals brings over 40 years of combined experience in tax preparation, audit representation, and financial consulting. We specialize in delivering tailored accounting solutions for clients across Riverside, Orange County, and Los Angeles, prioritizing integrity, cutting-edge technology, and personalized service. Our expertise spans corporate and individual tax planning, IRS representation, QuickBooks support, and business consulting.With a commitment to staying current with evolving tax laws, we ensure compliance while maximizing financial benefits. Our proven track record includes serving diverse industries such as healthcare, real estate, and nonprofits. We offer free consultations to help clients achieve long-term financial success. Backed by five-star reviews, our firm guarantees customer satisfaction through transparent communication and meticulous attention to detail. Located in Corona, CA, we serve the entire Inland Empire and surrounding regions.
Services
Business Tax Preparation
Individual Tax Planning
Audit Representation
Accounting Services
IRS Representation
QuickBooks Support
Payroll Tax Services
Estate Planning
Financial Consulting
Sales Tax Compliance
Details
- Year established: 2004
Highlights and features
- We offer over 40 years of combined experience in accounting and tax services.
- Our team maintains up-to-date knowledge of evolving tax regulations.
- We guarantee customer satisfaction through personalized service approaches.
- We utilize the latest accounting tools and technology for accuracy.
- Our firm has resolved complex IRS and state tax issues for 15+ years.
What people say
Exceptional accounting and tax work
Extraordinary service and care
Best things ever
Knowledgeable and meticulous
Outstanding customer service
Services
Business Tax Preparation
Our business tax preparation service ensures accurate and timely filing for corporations, partnerships, and LLCs. We optimize deductions while maintaining compliance with federal and state regulations. Clients benefit from our expertise in complex tax scenarios, including mergers, acquisitions, and international transactions.
Individual Tax Planning
We develop customized tax planning strategies for individuals, focusing on minimizing liabilities and maximizing refunds. Our approach includes year-round advisory services for retirement planning, investment reviews, and estate tax considerations across multiple states.
Audit Representation
Our audit representation service provides expert support during IRS or state tax audits. We handle all communications, documentation, and negotiations to protect client interests. With decades of experience, we resolve disputes efficiently while maintaining compliance.
Accounting Services
We offer comprehensive accounting services including QuickBooks support, payroll processing, and financial statement preparation. Our solutions help businesses maintain accurate records, manage cash flow, and make data-driven decisions for sustainable growth.
IRS Representation
Our IRS representation service addresses tax liens, levies, and back taxes for businesses and individuals. We negotiate payment plans and settlements while ensuring compliance with current tax codes and regulations.
People
Joseph N. Ayoub
CPA, EA Partner
Joseph Ayoub has 16+ years of experience in accounting, auditing, and tax services. Former Senior Auditor at Arthur Andersen, he specializes in corporate tax optimization and financial analysis for businesses.
Marcos Sidhum
CPA Partner
Marcos Sidhum brings 13+ years of public accounting expertise in audit, tax, and consulting services. He represents clients before the IRS and specializes in manufacturing, real estate, and nonprofit sectors.
Questions
What are the key tax changes for this year?
Refer to IRS Form 1040 instructions or visit www.IRS.gov for details on current tax law changes affecting individuals and businesses.
Should I use tax software or hire a CPA?
Complex situations like business ownership or major life events require professional CPA assistance for optimal tax outcomes.
How do I correct a filed tax return mistake?
File Form 1040X for significant errors. Allow 16 weeks for IRS processing and consult our team for guidance.
When are quarterly estimated tax payments required?
Make quarterly payments if you expect owing $1,000+ after withholdings and credits, or 90% of current year tax liability.
What are the age requirements for claiming dependents?
Children under 19 (or 24 if students) qualify. No age limit applies for dependents meeting the qualifying relative test.
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