Withum is a national accounting, tax, and advisory firm with over 150 professionals solely dedicated to the technology industry and our technology clients. From Rodeo Drive to the Golden Gate Bridge, we stand as a trusted pillar within the technology ecosystem in California with multiple strategic locations across the state, offering the comprehensive suite of services to tech startups and founders alike in numerous sub-sectors.

Who We Help

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Digital Assets

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Digital Health

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Services for Your Startup


  • Tax Compliance
  • State and Local Tax
  • R&D Tax Credits
  • Tax Support


  • Audit
  • Review
  • Compilation


  • Transaction Advisory
  • Cybersecurity
  • SOC Reporting
  • OASyS

Ready to Take the Next Step?

If you have any accounting, tax or advisory questions or have an important matter you would like to discuss, please contact us and we will reach out to you shortly.

Why Partner with Withum

We have deep expertise in accounting and tax matters, allowing us to assist you in navigating the complex and ever-changing financial landscape and tax regulations. Our advisory services extend beyond traditional accounting, providing valuable insights and strategic guidance to help clients make informed decisions and grow and scale their businesses. Whether it’s tax compliance, audit services, or tailored consulting strategies, Withum serves as a key advisor, delivering top-tier accounting and tax solutions that drive success and prosperity in the Golden State.

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