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Expert Accounting & Tax Services in San Jose
Ynchausti & Company & Company has been delivering expert accounting, tax, and consulting services to businesses, nonprofits, and individuals for over two decades. Our team prioritizes reliability, trust, and personalized attention, ensuring clients receive accurate financial guidance tailored to their unique needs. With deep expertise in GAAP compliance, tax planning, and business consulting, we help organizations streamline operations and achieve long-term success.

Our commitment to timely service and cost-effective solutions has earned us lasting client relationships across diverse industries. Headed by a Certified Public Accountant with over 25 years of experience, we combine technical proficiency with a client-first approach to address complex financial challenges.
Services
Tax Services Bookkeeping Business Consulting Payroll Management Foreign Company Representation Nonprofit Accounting Internal Audit Support Startup Company Services
Highlights and features
  • We offer 25+ years of CPA expertise in accounting and tax compliance.
  • Our team provides personalized service with a focus on client needs.
  • We serve diverse industries including biotech, manufacturing, and nonprofits.
  • Our fee structure balances quality with affordability for small businesses.
  • We ensure compliance with GAAP, IRS, and state regulatory standards.
Associations and certifications
  • Certified Public Accountant
What people say
Fantastic job Timely service Expert accounting support
Services
Tax Services
We provide comprehensive tax preparation, compliance, and strategic planning for individuals and businesses. Our services include federal and state tax returns, R&D credit claims, and audit representation. Clients benefit from proactive tax-saving strategies tailored to their industry-specific needs while ensuring adherence to evolving regulations.
Bookkeeping
Our GAAP-compliant bookkeeping services ensure accurate financial records using QuickBooks software. We handle monthly closing, bank reconciliations, and financial reporting to support informed business decisions. This service helps organizations maintain regulatory compliance and operational transparency while reducing administrative burdens.
Business Consulting
We offer strategic guidance on business setup, internal controls, and process improvement. Services include entity registration, compliance planning, and financial systems implementation. Clients gain actionable insights to enhance efficiency, mitigate risks, and align financial practices with long-term growth objectives.
Payroll Management
Our payroll solutions cover tax filings, direct deposits, and regulatory compliance with IRS and EDD requirements. We handle employee onboarding, W-2/1099 processing, and audit representation. Businesses save time while avoiding penalties through accurate, streamlined payroll operations.
Foreign Company Representation
We assist overseas entities establishing U.S. operations through registration, compliance, and administrative support. Services include acting as registered agents, preparing annual reports, and managing tax obligations. This enables foreign companies to maintain legal standing and operational efficiency in the U.S. market.
People
Enrique E. Ynchausti
CPA
Enrique leads Ynchausti & Company & Company with over 25 years of experience in accounting and tax services. He specializes in supporting startups, nonprofits, and international businesses through compliance, audit, and strategic financial planning.
Questions
What accounting services do you offer?
We provide GAAP-compliant bookkeeping, financial reporting, QuickBooks support, and internal control implementation for businesses of all sizes.
How do you support nonprofit organizations?
We handle nonprofit tax filings (Forms 990/199), grant compliance, budget preparation, and IRS audit representation to ensure regulatory adherence.
Can you assist foreign companies entering the U.S. market?
Yes, we help foreign entities register with the Secretary of State, maintain compliance, and manage tax obligations in the U.S.
What tax planning services are available?
We offer strategic tax planning, R&D credit claims, audit defense, and compliance services to minimize liabilities for individuals and businesses.
How do you ensure client satisfaction?
We prioritize personalized service, transparent communication, and timely delivery while leveraging 25+ years of CPA expertise to address client needs.