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Business Details
10 Years
experience
Trusted Tax & Bookkeeping Services in San Diego
Office Tax Services was founded in 2016 with a mission to simplify accountability for businesses and individuals. Our team of Brazilian tax experts provides personalized support in both Portuguese and English, ensuring clients understand every aspect of their tax obligations. With over 2,550 clients served and $1.3 million in estimated value added to client businesses, we specialize in international tax preparation, bookkeeping, and business formation. Our approach combines bilingual expertise, secure technology, and a commitment to 100% accuracy, allowing clients to focus on growth while we handle compliance.

We pride ourselves on fast communication, thorough explanations, and a proven track record of over 300 five-star reviews. Our services are designed to maximize tax savings, ensure compliance, and provide peace of mind through 24/7 secure portal access and same-day responses during business hours.
Services
Tax Services Business Formation Bookkeeping Services ITIN Processing Payroll Services
Details
  • Year established: 2016
Highlights and features
  • Bilingual Portuguese-English support for clear communication
  • Same-day responses during business hours
  • Secure portal with 24/7 document access
  • 100% approval rate for ITIN applications
  • Proven track record with 2,550+ clients served
Associations and certifications
  • CTEC
What people say
Exceptional customer service Bilingual support excellence Accurate tax preparation Timely responses Peace of mind compliance
Services
Tax Services
Comprehensive tax preparation for individuals and businesses with a 100% accuracy guarantee. Our Brazilian tax experts provide bilingual support in Portuguese and English, ensuring compliance with U.S. regulations while maximizing deductions. Services include federal and state returns, amendments, and specialized international tax solutions.
Business Formation
Complete business registration services for U.S. and international entrepreneurs. We handle all documentation, EIN acquisition, and compliance requirements while providing expert guidance on entity selection. Our bilingual support ensures clear understanding of U.S. business regulations and ongoing compliance obligations.
Bookkeeping Services
Monthly bookkeeping solutions with tiered plans based on transaction volume. Our QuickBooks-certified professionals ensure accurate financial tracking, monthly reporting, and tax-ready documentation. Services include expense categorization, account reconciliation, and secure document storage through our encrypted client portal.
ITIN Processing
IRS-certified ITIN application assistance with 100% approval rate. We streamline the process by eliminating original document submission requirements while ensuring compliance with federal regulations. Services include application preparation, document verification, and submission follow-up.
Payroll Services
Full-service payroll processing integrated with ADP systems. Our services include tax withholding calculation, employee payments, and regulatory filings. We ensure compliance with federal, state, and local employment tax requirements while providing time-saving solutions for business owners.
People
Cristina Hass
CEO
Over 10 years of experience in international tax compliance. Specializes in helping Brazilian businesses navigate U.S. tax regulations. Recognized for personalized service and innovative compliance solutions.
Marcella Sharma
Manager
Experienced tax professional with expertise in business formation and compliance strategies. Provides strategic guidance to entrepreneurs while maintaining focus on client education and satisfaction.
Questions
What sets your bookkeeping services apart from others?
Our bilingual team, personalized support, and secure technology ensure accurate financial records while helping you focus on business growth.
How do I track my expenses effectively?
Our bookkeeping services include detailed tracking and categorization of expenses to ensure accuracy and maximize deductions.
What are the payment terms for your services?
We offer flexible monthly and annual billing options across our tiered bookkeeping plans.
Can I change my business structure later?
LLC structures provide flexibility for future business structure changes while maintaining compliance.
How do you handle IRS notices?
Contact us immediately and we'll guide you through the necessary steps to address any IRS notices or correspondence.
What's included in annual financial reports?
Comprehensive income summaries, expense breakdowns, and performance metrics used to prepare business tax returns efficiently.