3 Best Accounting Firms in Corona, CA

Expert-recommended Top 3 Accounting Firms in Corona, California. All of our accounting firms actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

Alma's Accounting & Tax Services - Corona, CA Accounting Firms - Company Logo
9+ YEARS IN TBR
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ALMA'S ACCOUNTING & TAX SERVICES

1525 East Ontario Avenue, Suite 101A,
Corona, CA 92881 Directions

Since 1998

Specialty:

Accounting Services Tax Preparation (personal and business) Payroll and Bookkeeping Services business Start-up and Consultations Trust/Wills/Estate Planning Notary Financial and Retirement Planning Audit Review Notary Public Services

"Alma's Accounting & Tax Services began as a home business and has grown steadily over the past 25 years. The firm provides services to clients nationwide. They focus on building lasting relationships with their clients. Alma's Accounting & Tax Services is knowledgeable in accounting and tax regulations and works to ensure clients receive the full refund they are entitled to. They offer a free E-Filing service, allowing clients to receive their income tax refunds promptly. Alma's Accounting & Tax Services reviews various companies and providers to offer clients suitable products. All AATS tax preparers are registered annually with the IRS and CTEC and maintain compliance with their regulations. They also operate a branch in Moreno Valley. Appointments can be scheduled by contacting the office directly.

2026 Update: Alma's Accounting & Tax Services is proud to offer financial assistance products that clients have been asking for each year. They make it easy to explore options that fit your unique needs. Phone appointments are now available for your convenience. Their team is ready to guide you through the process step by step."

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License #4814260

Discount:

$50 Off Tax Preparation Services for New Clients

Contact:

(951) 356-5255

Mon-Sat: 9am - 7pm
Sun: Call for Hours

TBR® Inspection Report:

Ayoub & Associates CPA  - Corona, CA Accounting Firms - Office Exterior Image
Ayoub & Associates CPA  - Corona, CA Accounting Firms - Office Image
Ayoub & Associates CPA  - Corona, CA Accounting Firms - Office Interior Image
11+ YEARS IN TBR
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AYOUB & ASSOCIATES CPA

4218 Green River Road,
Corona, CA 92880 Directions

Since 2003

Specialty:

Accounting and Bookkeeping Tax Services Corporate Partnership Multi-state Individual New Business Advisor and Incorporations QuickBooks Support Outsourced Accounting Business Consulting Services Tax Planning Audits Reviews and Compilations Payroll Business Valuations IRS Representation Litigation Support Financial Statements Preparation Outsourced CFO/Controller Budgeting Succession Planning Cash Flow Management Payroll Tax Tax Planning and Analysis Merger and Acquisition Assistance Strategic Planning Assistance Audit Assistance IRS and FTB Audit Representation

"Ayoub & Associates CPA is a full-service accounting and advisory firm providing tax planning, tax preparation, audit services, and business consulting. The firm is built on personal relationships and consistent client service, with a combined 30 years of professional experience among their team. Ayoub & Associates CPA works closely with clients to understand business goals and objectives and support them in achieving those outcomes, focusing on long-term relationships based on trust and mutual respect while maintaining high standards of professionalism. The firm supports ongoing professional development for its staff, invests in modern technology, and encourages participation in tax and audit workshops. They emphasize clear communication and a hands-on approach in client service. They assist clients in improving business performance and financial results. Ayoub & Associates CPA also has additional branches in Torrance and Irvine, and clients may contact the firm to schedule a free initial consultation.

2026 Update: Ayoub & Associates CPA works with business owners like you throughout Corona, Riverside, and the entire Inland Empire, addressing tax questions, financial management issues, and cash flow concerns that can make or break a small business. Their team stays current on changing tax laws and provides year-round tax planning services to support smarter financial decisions."

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License #2692992

Contact:

(951) 273-9090 (949) 484-9302

Mon-Fri: 9am - 6pm
Sat & Sun: Closed

TBR® Inspection Report:

5+ YEARS IN TBR
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GRACE S. CLARK, CPA

400 Ramona Avenue, Suite 106,
Corona, CA 92879 Directions

Since 2009

Specialty:

Business Accounting and Corporate Taxes Trust and Fiduciary Accounting Personal Income Taxes Non-profit Services Probate Accounting Trust Compliance Business Tax Planning and Consulting Bookkeeping Services QuickBooks Training Business and Corporate Tax Preparation Fiduciary Tax Services Representation With IRS and Tax Agencies

"Grace S. Clark, CPA is the owner of her accounting firm and provides personal and business accounting and tax services. She also offers QuickBooks support and training. She shares tax tips with clients, friends, and family to help them make the most of their refunds. She is committed to teaching financial literacy and encouraging young people to pursue careers in accounting. Grace S. Clark, CPA is a Certified Public Accountant, and she can help minimize tax liabilities by identifying all eligible deductions and credits and by advising on tax planning and strategic financial decisions. Her team assists companies in maintaining accurate financial records and guides applicable tax credits, including those related to research and development. They also advise on optimizing taxable income through careful expense management. Contact the firm to schedule a consultation

2026 Update: Grace S. Clark, CPA, brings over a decade of experience in tax and business accounting at a mid-sized CPA firm in the Inland Empire. She actively contributes to her community as a board member for several nonprofit organizations and through volunteer work at her church. Grace is also a dedicated member of the Corona Chamber of Commerce."

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License #4098543

Contact:

(951) 399-2675

Mon-Fri: 8:30am - 5pm
Sat & Sun: Closed

TBR® Inspection Report: