Best CPAs in Westminster, CA — 2026 Rankings

We ranked 5 CPA and accounting firms in Westminster based on credentials, client reviews, press recognition, and professional presence.

Top CPAs in Westminster

  1. #1 — KatTax accounting Score: 28/100

    KAT TAX ACCOUNTING

    Services: General Accounting. View full profile →

  2. #2 — 3A CPA dba HT TAX CENTER Score: 20/100

    3A CPA dba HT TAX CENTER serves clients throughout the Westminster, CA area with expert accounting services. Reach them at +19498429987 or email ann.nguyencpa@gmail.com. Visit their website to learn more about their work. Located at 10495 Bolsa Ave.

    Services: General Accounting. View full profile →

  3. #3 — Tony Lam CPA Score: 16/100

    Looking for an accounting firm in Westminster? Tony Lam CPA serves the greater Westminster metropolitan area. Call +17142105650 or visit their site for details.

    Services: General Accounting. View full profile →

  4. #4 — Auto Registration Score: 13/100

    Auto Registration is an Westminster-based accounting firm offering full-service accounting solutions to clients across CA. Located at 7902 Westminster Blvd Ste B. Reach them at 7148932909. Visit their website for more details on services and portfolio.

    Services: General Accounting. View full profile →

  5. #5 — ATAX - Westminster, CO Score: 13/100

    ATAX - Westminster, CO is an accounting firm serving Westminster, CO. Contact them at 7205988299 or visit their website to learn more about their services.

    Services: General Accounting. View full profile →

How We Rank CPAs & Accounting Firms

Our Guide Score (0–100) combines Google rating (35%), review volume (20%), web and portfolio presence (20%), profile completeness (15%), professional credentials like CPA/EA/CMA (5%), press recognition (3%), and years of experience (2%). Read our full methodology →

Frequently asked questions

Who is the #1 CPA in Westminster?
KatTax accounting is currently the #1 ranked CPA firm in Westminster based on our Guide Score, which evaluates Google reviews, credentials, press recognition, and professional presence. See the full ranked list above.
How are CPAs ranked in Westminster?
Our Guide Score (0–100) combines Google rating (35%), review volume (20%), web and portfolio presence (20%), profile completeness (15%), professional credentials like CPA/EA/CMA (5%), press recognition (3%), and years of experience (2%). There is no paid placement.
What do CPAs typically charge in Westminster?
Pricing varies by service and firm size. Individual tax returns in Westminster commonly range from $200–$800; small business accounting packages run $500–$3,000/month; audit and advisory engagements are typically quoted per project. Each firm's profile page lists available services and contact information for quotes.