Professional Liability Insurance in
California
Protect your business against lawsuits and legal
damages with Number 1 Insurance.
Every business faces risks and challenges. That’s why Number 1 Insurance offers Liability Insurance to help protect professionals from lawsuits arising from their work in California.

Professional Liability Insurance Coverage You Can Get in California
- Negligence: If you fail to provide the expected level of service or advice, Professional Liability Insurance can help cover the cost of any resulting damages or losses.
- Errors: Mistakes happen, and Professional Liability Insurance can help protect you from lawsuits that may arise from errors made in your work.
- Omissions: If you leave out important information or fail to perform a task that you were responsible for, Professional Liability Insurance can help provide financial protection.
- Legal Defense Support
If you’re sued—even for ungrounded claims—the insurer typically appoints top-tier legal counsel and covers court-related costs, shields you from unexpected financial stress. - Maintain Your Professional Reputation
Handling disputes through insurance helps preserve your credibility—showing clients you’re accountable and prepared. - Meet Client and Regulatory Requirements
Many clients in fields like consulting, architecture, or finance demand proof of E&O coverage before signing contracts. In some professions—such as legal or medical—it’s even mandatory.
How Does Professional Liability Insurance Protect My Small Business?
Liability Insurance protects small businesses from costly claims. Therefore, it helps safeguard your cash flow. In addition, it supports your legal defense. For example, it can cover attorney fees and settlements. Moreover, it addresses negligence, errors, and omissions. As a result, you can focus on growth. However, general liability usually excludes professional mistakes. Consequently, E&O fills that gap. Next, choose a claims-made policy with the right retroactive date. Additionally, keep continuous coverage to avoid gaps. For instance, add tail coverage when you switch insurers. Finally, request a tailored quote to match your risk.
Cover Your Business Against Legal Liabilities Today
At Number 1 Insurance, we understand that every business is unique, and we offer tailored Professional Liability Insurance coverage to meet the specific needs of our clients. Don’t leave your business vulnerable to risks and lawsuits. Contact us today to discuss your Professional Liability Insurance options and protect your business’s future.