With over twenty five years of experience, our firm has proudly served businesses of all sizes across a wide range of industries. Whether you're a startup, a growing enterprise, or an established corporation, we understand that your time is best spent running your business—not navigating complex financial systems. That’s where we come in. We are a full-service accounting firm committed to delivering swift, accurate, and reliable solutions tailored to your unique needs. From payroll to tax planning, GAAP compliance, and financial strategy, we handle every aspect of your accounting with precision and care. What sets us apart is our team—every member of our staff is fully qualified and brings deep industry knowledge, a proactive mindset, and a dedication to delivering real value. We don’t just crunch numbers; we provide insight, clarity, and confidence so you can make informed decisions and grow with peace of mind. Our goal is simple: to be a trusted partner you can rely on for expert financial guidance, so you can focus on what matters most—your business.

Whether you need GAAP-compliant accounting for funding and audits, full-service accounting, a reliable bookkeeper, or strategic guidance from a CFO—we’re here to support your business every step of the way.

"From the very first day of business, I have trusted Nina, Carmen and the entire team with all of my accounting needs. They are professional, reliable, experienced and so easy to work with. One of the best decisions I made"

                      -Mark McCoy

"From setting up our financial systems to managing payroll and taxes, this firm has been an invaluable partner as we grow. They handle the numbers so we can focus on the business. Professional, modern, and tech-savvy — exactly what we needed."

                   -Albert Sorayan

"Since partnering with this accounting firm, managing the financial side of my contracting business has become so much easier. They’re incredibly organized, quick to respond, and make sure I never miss a tax deadline. I finally feel confident that everything is being handled the right way."
                  — Martin Milani

"Switching to this accounting service was the best decision I made for my contracting business. They're responsive, detail-oriented, and helped me stay on top of quarterly taxes without the usual headache. Worth every penny."

                      -Ashley Brown



From early-stage startups to established public corporations, our services scale with your business.


Why Choose TNZ Accounting?


  • Trust – Reliable service you can count on
  • Expertise – Deep knowledge of GAAP and tax strategy
  • Accuracy – Precise reporting and compliance
  • Experience – Proven success with startups and businesses
  • Confidentiality – Your data is secure and protected
  • Professionalism – Responsive, respectful, and results-driven

The business world is chock-full of obstacles. From razor-thin profit margins to changing regulations, you require accounting that's designed to cope with stress. At TNZ Accounting, we specialize in
clean records, wise planning, and rapid service. Every report, every plan, and each payroll run is carried out conscientiously. We don't use jargon. We use plain English so that you can act quickly. Our work allows business owners to sleep better at night. We live and do business here in The San Francisco Bay Area. We're accustomed to national and local tax regulations, the common business models, and how to stay ahead. Whether you are a startup or an established company, we offer practical support that fits. We believe good accounting should be a strength—not a struggle. That's why we're here every day.