San Francisco's Trusted Counsel

Precision counsel for San Francisco's most demanding legal and financial challenges.

For over three decades, Ishihara USA has guided individuals, families, and enterprises through complex transactions, strategic planning, and regulatory navigation with clarity and discretion.

Schedule a Consultation Explore Our Services

30+ Years of Practice

$2B+ Transactions Advised

500+ Clients Served

San Francisco skyline view from California Street

What We Do

Comprehensive professional services tailored to your needs

Corporate & Business Law

From entity formation to complex mergers and acquisitions, we provide strategic legal guidance that protects your interests and accelerates growth.

Tax Planning & Strategy

Navigate the complexities of federal, state, and international tax law with confidence. Our proactive strategies minimize liability and maximize efficiency.

Financial Advisory

Comprehensive financial analysis, forecasting, and advisory services for businesses and high-net-worth individuals seeking clarity in decision-making.

Estate & Trust Planning

Protect what matters most with thoughtful estate planning, trust administration, and wealth preservation strategies designed for lasting security.

Regulatory Compliance

Stay ahead of evolving regulations with expert compliance counsel. We help organizations navigate federal and state requirements with precision.

Real Estate Transactions

Expert guidance through commercial and residential real estate transactions, including due diligence, contract negotiation, and closing coordination.

About Ishihara USA

Rooted in San Francisco, committed to excellence

Founded on the principle that exceptional professional services require both deep expertise and genuine understanding, Ishihara USA has served the San Francisco community since 1993.

Our practice sits at the intersection of law and finance, offering clients a unified approach to their most critical decisions. We work alongside entrepreneurs building the next chapter, families protecting their legacy, and corporations navigating complex regulatory landscapes.

Every engagement begins with listening. We take the time to understand your objectives, assess the full scope of your situation, and craft solutions that are as unique as your circumstances.

—

Integrity First

Honest counsel, even when it's difficult.

—

Strategic Mindset

Forward-thinking solutions, not just reactive fixes.

—

Discretion & Trust

Your confidence is our highest priority.

Why Choose Us

A different kind of professional services firm

Integrated Expertise

Legal and financial professionals working in concert, eliminating the silos that slow down complex matters and create gaps in strategy.

San Francisco Focused

Deep understanding of local regulations, market dynamics, and the unique challenges facing businesses and individuals in the Bay Area.

Client-First Approach

We measure success by outcomes, not hours billed. Every recommendation is evaluated through the lens of what truly serves your interests.

Proven Track Record

Decades of experience handling high-stakes transactions, intricate tax structures, and sensitive legal matters with consistent excellence.

Contact

Let's start a conversation

Whether you have a specific question or need guidance on a complex matter, we're here to help. Reach out and we'll respond within one business day.

Address 601 California St Ste 1700
San Francisco, CA 94108

Phone (415) 421-8207

Email sales@ishihara.com

Full Name

Email Address

Phone Number

Service of Interest

Message

Thank you. We'll be in touch within one business day.