Tax Preparation • Education • Tax Professional Growth

Where Expertise Meets Opportunity.

A California tax organization built for two kinds of people: clients who deserve careful, knowledgeable service — and professionals ready to grow.

I Need Tax Services I Want to Join the Team

Hablamos Español

Welcome

Thoughtful tax work. A community that builds careers.

Tax Pro Alliance brings together dependable tax preparation for individuals and businesses with a genuine commitment to educating and developing the next generation of tax professionals.

Our Three Pillars

Tax Preparation

Careful, organized preparation for individuals, families, self-employed clients, and small businesses.

Education

Access to California CTEC qualifying and continuing education through approved providers.

Tax Professional Growth

Mentorship, leadership development, and a collaborative team for preparers at every stage.

Who We Are

A professional home for clients and tax pros alike.

Founded by Diane Portugal, Tax Pro Alliance is a California-based tax preparation, education, and professional development organization. We serve clients in English and Spanish, and we grow by helping the people around us grow.

Our Mission

To deliver trustworthy tax preparation with care and clarity, and to develop knowledgeable, confident tax professionals through education, mentorship, and teamwork.

Our Core Values

Integrity
Accountability
Knowledge Sharing
Initiative
Respect
Professional Growth

Our Culture

We Create Leaders.

We Work Together to Win.

We Don't Compete. We Grow Together.

Founder & CEO

Diane Portugal

With over 15 years in tax preparation, Diane built Tax Pro Alliance to offer clients dependable service and to give aspiring tax professionals the guidance she believes everyone deserves.

Learn more

Choose Your Path

How can we help you today?

For Tax Clients

Individual and business tax preparation, amendments, consultations, and ITIN application assistance — in English or Spanish.

Explore Tax Services

For Tax Professionals

Whether you're brand new or an experienced ERO, discover mentorship, education, and a team that grows together.

Explore Opportunities

Let's take the next step together.

Reach out today — we'll point you in the right direction.

Call Us · (805) 334-9400 Contact