Welcome to One Stop Tax and Accounting

At One Stop Tax and Accounting, we take the stress out of taxes and finances so you can focus on what matters most. Whether you're an individual or a business, you’ll receive personalized, thorough, and reliable service tailored to your needs.

© osta-tax.com. All rights reserved.

Services

Tax Services

  • Individual Tax Returns (Sole Proprietors, W-2 earners, etc.)

  • Business Tax Returns (S Corps, C Corps, LLCs, Partnerships)

  • Multi-State & Out-of-State Filing

  • Tax Strategy & Planning

  • IRS & Franchise Tax Board Representation

  • Sales Tax & Payroll Tax Support

  • Tax Problem Resolution

Small Business Support

  • New Business Setup

  • Bookkeeping Clean-Up

  • QuickBooks & Accounting Software Training

  • Full-Cycle Bookkeeping & Payroll

  • Budgeting & Forecasting

INCORPORATION & BUSINESS CONSULTING

  • Company Formation in Multiple U.S. States

  • Business License & Seller’s Permit Filing

  • Advisory for Starting Businesses in Asia

About

Hi! I’m Vanessa Nguyen, an IRS-licensed Enrolled Agent and founder of One Stop Tax and Accounting, Inc.I’ve worked with a wide range of clients—from individuals and startups to established corporations. With CFO-level experience, I don’t just handle your taxes—I help you plan smarter, grow stronger, and stay compliant.My specialties include:

  • IRS Representation

  • Tax structuring for S Corps, C Corps, LLCs, and sole proprietorships

  • Custom financial strategies for long-term success

Contact

Please do not use this form for sales or service offers. Regardless of relevance, these are not considered.

Thank you

Your submission has been forwarded and we will be in touch soon!

Unsolicited sales or service inquiries submitted through this form are not considered, regardless of relevance.