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BEST RATED ORANGE, CA ACCOUNTING FIRMS

3 Best Accounting Firms in Orange, CA

Expert-recommended Top 3 Accounting Firms in Orange, 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!

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4+ YEARS IN TBR
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WINTER LOZANO CPAS INC

(4.9 Score)
942 East Chapman Avenue,
Orange, CA 92866 Directions

Since 1979

Specialty:

✓ Audits ✓ Reviews ✓ Compilations ✓ Part-time CFO ✓ Monthly ✓ Quarterly ✓ Yearly Financial Statements ✓ Audit Preparation Assistance ✓ Financial Statement Reconstruction ✓ Financial Projections and Analysis ✓ Planning and Preparation ✓ Tax Minimization Strategies ✓ Tax Projections ✓ Regulatory Audit Representation ✓ Tax Implications of Financial Decisions ✓ Entity Structure Selection ✓ Mergers and Acquisitions Analysis

"Winter Lozano CPAs Inc, is committed to helping businesses, professionals, individuals, and families navigate the challenges of tax and regulatory environments. Alex Lozano is the owner of the firm. The firm is staffed by professionals who take pride in their work and have assisted businesses, individuals, and families in their path toward long-term success. Winter Lozano CPAs Inc advises small to mid-size companies, professionals across fields such as healthcare, real estate, and law, as well as individuals and families. They strive to support clients’ financial health and independence by applying tax laws in ways that benefit their circumstances. Winter Lozano CPAs Inc brings expertise in preparing clients’ court accountings, helping ensure the process is smooth, precise, and efficient. Their approach turns professional knowledge into focused solutions that require careful execution. Clients can contact them to schedule a consultation.

2026 Update: Winter Lozano CPAs Inc brings 47 years of experience in client representation before the Internal Revenue Service, California Franchise Tax Board, California State Board of Equalization, and California Employment Development Department. They have decades of practice handling complex tax and compliance matters across federal and state agencies. Their long-standing experience supports consistent representation and guidance in tax resolution and advisory services."

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License #3077686

Contact:

(714) 602-6949

Mon-Fri: 9am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

Bierman, CPA - Orange, CA Accounting Firms - Company Logo
7+ YEARS IN TBR
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BIERMAN, CPA

(4.9 Score)
283 North Rampart Street, Unit B,
Orange, CA 92868 Directions

Since 2001

Specialty:

✓ Business Tax Returns ✓ Personal Income Tax ✓ Back Taxes ✓ Tax Planning and Consulting ✓ Unfiled Tax Cleanup ✓ Trust and Estates ✓ General Consulting ✓ Full-service Accounting ✓ Full-service Bookkeeping ✓ Bookkeeping Training ✓ Corporate Accounting Assistance ✓ Sales Tax ✓ Year-end Filings ✓ Form 1099 ✓ Financial Statement Preparation ✓ Corporate Resolution Compliance ✓ Governmental Audits ✓ IRS ✓ State ✓ Insurance ✓ Workers’ Compensation ✓ Payroll Tax ✓ IRS Controversy

"Bierman, CPA provides a wide range of financial services for individuals and businesses. The firm was founded by John T. Bierman. Bierman, CPA offers solutions for businesses at different stages of development. The team of certified public accountants helps clients manage their financial matters in an organized way. Whether clients are starting a new business or looking to grow an existing one, the firm’s professionals can support them in maintaining stable operations through financial, tax, and accounting services. The firm maintains a personable approach and provides clients with resources designed to support each stage of the process. Bierman, CPA focuses on tax planning and preparation as well as helping clients protect their wealth and plan for the future. Clients can contact the firm to schedule an appointment.

2026 Update: Bierman, CPA has more than 20 years of experience in tax and accounting. They focus on building strong, trust-based relationships with clients and delivering tailored strategies that help them reach their financial goals. They act as your dedicated personal tax consultants, guiding you through each stage of the year with practical, results-driven support."

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License #2364408

Contact:

(714) 637-2600

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

TBR® Inspection Report:

Stamos and Stamos - Orange, CA Accounting Firms - Professional Portrait Image
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Best Accounting Firms in Orange CA - Stamos and Stamos video
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STAMOS AND STAMOS

(4.8 Score)
3111 North Tustin, Suite #230,
Orange, CA 92865 Directions

Since 1995

Specialty:

✓ Accounting and Financial Statements ✓ Cash Flow ✓ Bookkeeping and Trial Balance Preparation ✓ Monthly Bookkeeping ✓ Quarterly Bookkeeping ✓ Annual Bookkeeping ✓ Payroll Services ✓ Financial Consulting Services ✓ Software Training

“2026 Update: Stamos and Stamos have provided financial guidance to local businesses and individuals for over 30 years across more than 30 states. They have a team of seasoned tax, accounting, and financial professionals focused on supporting clients with planning and long-term business success. Their firm has served 1000+ satisfied clients, delivered an average of $25,000+ in annual cost and tax savings, and helped save 100+ hours monthly through improved financial processes. Stamos and Stamos is committed to supporting clients’ financial needs and long-term goals. Chris Stamos, CEO & CPA, leads the firm in delivering tax and financial guidance aimed at building stability and future opportunities for organizations. Their services include working directly with clients and lenders to secure financing when needed, both during and after the process, including conventional home loans, business lending, and SBA loans where applicable. Stamos and Stamos assists clients in growing their businesses through structured tax planning and financial advisory services. Their team offers a free consultation to discuss financial needs and available options.”

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License #2622311

Contact:

(714) 998-0311

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

TBR® Inspection Report:

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WINTER LOZANO CPAS INC REVIEWS

Brian and his team handle all of our company's bookkeeping and taxes, we have millions of dollars in gross revenue every year, several different bank accounts (trust accounts, etc...) hundreds of transactions a month, and they do an incredible job of keeping track of everything and keeping our books balanced. They are extremely responsive and detail oriented, if there is ever an issue, they are great communicators until we get things figures out. I would highly recommend them to a business of any size that really needs to keep on top of their financials and keep it all in good shape.

I worked with Alex for the first time this year and had a phenomenal experience. I had sold a home, have an out-of-state rental property, and a few other nuances to my taxes and Alex not only answered all of my questions but made the entire process incredibly smooth. Professional, personable, knowledgable and supportive. Absolutely recommend working with Alex whether you have 'simple' taxes or more complex tax needs.

Brian is amazing. I was referred to him from a friend. Extremely knowledgeable and experienced. Once you go to them you wont use anyone else.

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BIERMAN, CPA REVIEWS

I have been with John since he started his business 20 years ago and have never had a problem. I left California over 13 years ago and moved to Virginia but continue to use his services. That says everything. John will always be my CPA of choice! There is no one better and he has always had a great staff! John and everyone in his organization give legendary service.

John , Allen and Jessica are the team to beat , these guys are pros at what they do.. i have been with them for over 6 years and i will always come back for my taxes or to even get there opinion on all kinds of business related problems ,, they love to help ,, i really trust these guys.

Great place to work with, staff is very knowledgeable and make you feel very important! Highly recommend these folks.

STAMOS AND STAMOS REVIEWS

We want to thank the Staff at Stamos and Stamos for helping us with our Tax returns. We thought we would actually be owing the Government money due to some additional expenditures this past year. Thanks to the knowledgeable team at Stamos and Stamos, who are up to date with the current tax laws and structures, they had discovered that we would actually get a tax return. Needless to say, we were excited. I recommend Stamos and Stamos to anyone who is looking for a Tax Accounting firm to help them navigate through the tax laws.

Really great CPA firm. We've been relying on them for all our tax prep and cfo for a few years now, and they always do a fantastic job. It’s hard to find accountants who are this reliable and easy to talk to. Highly recommend Stamos and Stamos if you need a solid team you can trust.

Great service + Reasonable Fees = Happy Client.

TBR® Inspection Score Report

WINTER LOZANO CPAS INC Total Inspection Points: 118/120
Business Images: 9
Social Media: 9
Business Hours: 10
Contact Info: 10
License: 10
Exact Services: 10
Experience: 10
Legitimate Ratings: 10
Location Proximity: 10
Online Appointment: 10
Reviews Accuracy of : 10
Reviews Study: 10

TBR® Inspection Score Report

BIERMAN, CPA Total Inspection Points: 117/120
Experience: 9
Reviews Accuracy of : 9
Social Media: 9
Business Hours: 10
Contact Info: 10
License: 10
Emblem: 10
Exact Services: 10
Legitimate Ratings: 10
Location Proximity: 10
Online Appointment: 10
Reviews Study: 10

TBR® Inspection Score Report

STAMOS AND STAMOS Total Inspection Points: 115/120
Business Images: 8
Current Evaluation: 8
Reviews Accuracy of : 9
Business Hours: 10
Contact Info: 10
License: 10
Exact Services: 10
Experience: 10
Legitimate Ratings: 10
Online Appointment: 10
Social Media: 10
Video: 10