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Professional Tax & Accounting Services in Brea, CA
MZ Accounting & Tax Service has been dedicated to delivering personalized financial guidance to individuals and businesses in Orange County, California. Our expertise spans income tax preparation, bookkeeping, and comprehensive financial statement creation, tailored to meet diverse client needs. With over 20 years of experience, our team, led by CPA Melody Shi, combines deep industry knowledge with a commitment to open communication. Melodys background includes roles as CFO for public companies and audit management, ensuring meticulous attention to detail and regulatory compliance. We specialize in practical solutions for tax planning, IRS debt resolution, and business financial management.

Our services are designed to minimize tax liabilities, maximize refunds, and provide accurate record-keeping for long-term business success. As a QuickBooks Pro Advisor, we offer tailored setup and training to streamline accounting processes. Our multilingual capabilities in English and Chinese support a broader client base, while memberships in professional organizations like NATP and the Chamber of Commerce underscore our dedication to excellence. We prioritize transparency, affordability, and client education, ensuring informed financial decisions. Our mission remains to build lasting relationships through reliable, high-quality service that adapts to evolving client needs.
Services
Tax Preparation Bookkeeping Establish Corporation Process Payroll Sales Tax Service QuickBooks Setup
Highlights and features
  • We offer 20+ years of CPA-led tax and accounting expertise.
  • Our multilingual team serves English and Chinese-speaking clients.
  • QuickBooks Pro Advisors provide tailored accounting software solutions.
  • We prioritize transparent, affordable pricing with no hidden fees.
  • Our team includes former CFOs and audit professionals with public company experience.
Associations and certifications
  • CPA
  • National Association of Tax Professionals (NATP)
  • QuickBooks Pro Advisor
What people say
Professional & detailed explanations Always available for questions Trustworthy long-term partner Quick response times Expertise in complex tax matters
Services
Tax Preparation
Prepare accurate income tax returns for individuals, partnerships, LLCs, and corporations. Ensure minimal tax liability through strategic planning, maximize refunds, and provide guidance on IRS debt settlement options. Our team stays updated on evolving tax laws to deliver compliant, cost-effective solutions for optimal financial outcomes.
Bookkeeping
Maintain precise financial records using accrual or cash accounting methods. Generate balance sheets, income statements, and ledgers to support business decision-making. Our services include cash flow management, payroll processing, and tax payment preparation, ensuring organized financial operations for businesses of all sizes.
Establish Corporation
Comprehensive setup for new corporations, including EIN acquisition, Subchapter S election, and sales tax registration. We handle business name publication, first-minute corporate documents, and compliance filings. Our package ensures proper legal structure and tax classification to launch your business smoothly and efficiently.
Process Payroll
Accurate payroll processing with multi-state capabilities and quarterly tax filings. We manage timely wage disbursements, tax withholdings, and compliance reporting to avoid penalties. Our cost-competitive solutions scale with your business, supporting seamless payroll operations and year-end tax documentation.
Sales Tax Service
Assist with sales tax data compilation across jurisdictions, timely filings, and automated ACH payments. We simplify compliance by tracking varying tax rates, preparing returns, and ensuring deadlines are met. This service minimizes errors and administrative burdens associated with multi-county sales tax obligations.
People
Melody Shi
CPA
Melody Shi is a licensed CPA with over 20 years of experience, including roles as CFO for public companies and audit manager for SEC-specialized firms. She holds an MBA from UC Irvine and a bachelor's in Computer Science from Beijing Polytechnic University. Melody provides expert tax strategy and financial guidance.
Questions
What tax services do you offer for businesses?
We prepare corporate income tax returns, handle payroll tax filings, and provide sales tax compliance services for businesses of all structures.
Do you support multilingual clients?
Yes, our team provides services in both English and Chinese to accommodate diverse client needs.
Can you help establish a new corporation?
We offer complete business formation packages including EIN registration, Subchapter S elections, and compliance documentation.
Are your accounting services suitable for small businesses?
Our bookkeeping, QuickBooks setup, and financial reporting services are tailored to meet small business requirements affordably.
How do you handle IRS debt issues?
We provide strategic advice on IRS payment plans and debt resolution options to minimize financial impact.