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Business Law Attorney


We help business owners create clear, enforceable contracts and negotiate favorable agreements. Our legal support builds a strong foundation that encourages growth.

Running a business in California means managing an endless list of responsibilities. Legally speaking, that can include anything from contracts and compliance to disputes and litigation. The right legal partner can make the difference between growth and costly setbacks. Our California business law lawyer is here to safeguard your interests, resolve disputes, and provide the guidance you need to protect and strengthen your company. Call the Choulos & Tsoi Law Firm today to schedule a consultation and put experienced counsel on your side.

California Business Law Lawyer

Businesses of all sizes face challenges that require skilled legal support. Whether you’re a startup, an established company, or an entrepreneur, our team provides tailored guidance in areas such as:

  • Business formation and entity selection
  • Contract drafting, review, and negotiation
  • Partnership and shareholder agreements
  • Employment law and workplace compliance
  • Commercial real estate and lease agreements
  • Dispute resolution and business litigation

Our California business lawyer understands that every decision you make impacts your company’s future. We focus on delivering practical, cost-effective solutions while protecting your long-term interests.

Why Experience Matters In Business Law Cases

Business law is complex and constantly evolving. A misstep with compliance, contracts, or disputes can put your company at risk. That’s why experience and attention to detail are critical.

At the Choulos & Tsoi Law Firm, we bring decades of trial-tested experience, sharp negotiation skills, and a client-first approach to business law matters. Whether resolving disputes outside of court or litigating high-stakes cases, our California business law attorneys are committed to protecting everything you’ve built. Here’s a closer look at our lead attorneys:

  • James V. Choulos: Practicing since 1990 after earning his J.D. from Santa Clara University, James has extensive experience in complex litigation and strategic negotiation. He is known for combining big-picture business insight with hands-on trial skills to deliver results for clients across California.
  • Victor Tsoi: Since joining the firm in 2015 after earning his J.D. in 2011, Victor has developed a reputation for precision and thorough preparation. His work with contract disputes and business litigation has made him a trusted ally for California businesses navigating sensitive legal issues.

While our firm is known for trial work, our greatest strength in business law is our ability to prevent disputes before they escalate. When litigation is necessary, we bring courtroom-tested strategies to secure favorable outcomes for our clients. We have successfully represented California business owners in cases involving partnership breakups, contract disputes, and commercial litigation, always with the goal of protecting assets and securing a sense of stability.

Strategic Counsel For Your Business

When legal challenges threaten your business, you need experienced counsel who understands both the law and the realities of running a company. Our California business law lawyers provide clear guidance, practical solutions, and strong advocacy every step of the way. Contact the Choulos & Tsoi Law Firm today to schedule your consultation and protect your business with confidence.

Get To Know Our Team


James V. Choulos, Esq.

James V. Choulos, Esq.

Founding Partner

Our founding partner, James V. Choulos, has been practicing law since 1990. A graduate of U.C. Berkeley and Santa Clara University, he combines legal knowledge with a personal, client-focused approach to representation.

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Victor Tsoi

Victor Tsoi, Esq.

Partner

Victor Tsoi earned his J.D. in 2011 from Thomas Jefferson School of Law in San Diego. With experience spanning personal injury, entertainment law, and business law, he’s committed to bringing a sense of calm to any legal storm.

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Start The Conversation


It all begins with reaching out. Call or message us today to request your free consultation, and a team member will be in touch shortly about next steps.

Where To Find Us

Our California firm serves clients across Santa Monica, Los Angeles, Auburn, the Bay Area, and the surrounding communities. Find an office near you, and give us a call today to set up a free case evaluation.

520 Broadway, Suite 200
Santa Monica, CA 90401

310-589-3963

Office Hours

Mon- Fri | 8 AM–5 PM
Sat & Sun | Closed
Live Call Answering | 24/7

11764 Inverness Way
Auburn, CA 95602

530.732.3005

Office Hours

Mon- Fri | 8 AM–5 PM
Sat & Sun | Closed
Live Call Answering | 24/7

580 California St. 12th Floor,
San Francisco, CA 94104

415.433.8500

Office Hours

Mon- Fri | 8 AM–5 PM
Sat & Sun | Closed
Live Call Answering | 24/7