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Trusted Since 1990

Global Tax & Accounting Services You Can Trust

DataMatrix International (DMI) provides comprehensive tax advisory, IRS representation, bookkeeping, and financial consulting services across California, Nevada, and internationally.

35+
Years of Experience
CA & NV
Licensed Practices
100%
Client Satisfaction

Comprehensive Tax & Financial Services

From individual tax preparation to complex IRS representations, we cover every aspect of your financial needs.

Tax Preparation

Individual, small business, state, and federal tax returns — including sales taxes and property tax appeals.

IRS Representation

Expert representation during IRS and state tax audits. We handle Offer & Compromise for unpaid taxes on your behalf.

Bookkeeping & Accounting

Full-service bookkeeping, accounting setup, GAAP compliance reviews, and bank reconciliations for businesses of all sizes.

Payroll Services

Complete payroll processing and payroll tax reporting to keep your business compliant and your employees paid on time.

Property Tax Appeals

Evaluation and appeals to reduce property taxes based on current market values — protecting your real estate investments.

Financial Planning

Strategic financial planning, feasibility studies, estate tax planning, and Living Trust document preparation.

Accounting Software

QuickBooks certified professionals offering software conversions, retail merchandising computerization, and bar-coding setup.

Business Process Outsourcing

BPO services including property tax data retrieval from US counties, data entry, and international tax consulting.

Sales Tax Reports

Accurate sales tax reporting, appeals, and multi-jurisdictional compliance for businesses operating across state lines.

About DataMatrix International

DMI is a global tax services firm with direct IRS taxes and property tax practices in California and Nevada, USA. Headquartered in Union City and Daly City, California.

  • Multi-jurisdictional tax advisory & consulting
  • IRS representations, recovery & credits
  • Tax process improvement & automation
  • Strategic tax planning & compliance
  • Estate tax planning & Living Trust preparation
  • Business Process Outsourcing (BPO)

Serving Clients Since 1990

Since 1990, our partners have been deeply involved in tax preparation and client representation. DMI has developed unmatched expertise in navigating the complexities of the IRS and state tax systems.

DMI provides a comprehensive range of state, local, federal, and international tax advisory and consulting services on a multi-jurisdictional basis — including tax IRS representations, recovery, credits and incentives, tax process improvement and automation, tax appeals, tax compliance, and strategic tax planning.

We also engage in Business Process Outsourcing (BPO), primarily for property tax retrieval from various US counties, data entry, bookkeeping, and accounting — serving both domestic and international clients.

DMI will always aspire and commit to providing outstanding value and client service through a range of innovative tax advisory and consulting services.

Meet Our Principals

Experienced professionals dedicated to delivering the highest quality results for every client.

CN

Chris L. Neri, EA, CPA

Director & Chairman · Managing Partner

Past President (2011–2013) of PICPA-USA, San Francisco Bay Area CPA Association. Specializes in accounting systems, software implementations, and tax advisory. Formerly Property Tax Manager at Starwood Waypoint Residential Trust (NYSE: SWAY). Has been practicing tax preparation in the SF Bay Area since 1991. Also a Tax and Estate Planner who prepares Living Trust Documents.

EA License CPA Realtor License Estate Planning QuickBooks
AB

Arnold Bermudez, EA, CPA

Director & President · Partner

Started his career as an auditor and became a professional banker with nearly 19 years at Bank of America, holding positions including VP Operations Manager, VP Area Lending Manager, and Division Head of Credit, Collection, Legal, Recovery and Acquired Assets. Also has experience as a Senior Accountant with one of the largest Real Estate companies in the United States.

EA License CPA Real Estate Agent Banking
MM

Mario Mendoza

Chief Technology Officer

30+ years in IT and the software industry, having worked at Silicon Valley giants including Intuit, Oracle, PeopleSoft, and Workday. Subject matter expert in QuickBooks, Oracle ERP, PeopleSoft, and Workday Financials. Workday Certified Security Pro. Also a licensed general contractor in California.

Workday Certified Oracle ERP QuickBooks PeopleSoft CA Contractor

Trusted by Organizations Worldwide

We support a premier portfolio of global companies and individuals who rely on our expertise.

Our Commitment to You

Of the many factors that have contributed to our success, by far the most critical is our single-minded focus on and dedication to achieving the highest quality results for our clients.

DMI supports a premier portfolio of global companies that includes many of the world's most respected organizations. Every client of DMI has our unconditional guarantee that we will deliver the very best results possible.

Our Guarantee

"Every client of DMI has our unconditional guarantee that we will deliver the very best results possible. We won't quit until you are satisfied."

Unconditional satisfaction guarantee
Global & domestic client portfolio
Highest quality results, every time

Contact Us Today

Ready to get started? Reach out for a free consultation and let us handle your tax and accounting needs.

We're Here to Help

Mailing Address PO Box 61, San Bruno, CA 94066, USA
Phone 650-267-9327
Office Hours Mon – Fri: 9:00 AM – 6:00 PM PST
Service Areas California, Nevada & International

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