Business Details
41 Years
experience
Your Trusted Insurance Partner in Irvine, CA
As an independent insurance broker, we take our responsibility to represent clients seriously, ensuring we find the best insurance programs in pricing and protection. Founded in 1985, our firm builds upon decades of combined experience from our lead professionals, specializing in serving design professionals and businesses. Our team holds industry-recognized designations such as Certified Insurance Counselor (CIC) and Certified Insurance Service Representative (CISR), reflecting our expertise in risk management and tailored insurance solutions.Affiliated with a/e ProNet, we provide access to specialized resources like contract language reviews and risk management publications. Our commitment to client satisfaction is demonstrated through personalized service, competitive rates, and a focus on understanding unique client challenges. With over 30 years of experience, we combine deep industry knowledge with a dedication to continuous learning, ensuring clients receive comprehensive coverage and proactive risk mitigation strategies.
Services
Professional Liability Insurance
Business Auto Insurance
Workers Compensation
Group Health Insurance
Homeowners Insurance
Flood Insurance
Cyber Liability Insurance
Contractors Wrap Insurance
Life Insurance
Drone Coverage
Details
- Year established: 1985
Highlights and features
- We offer over 30 years of specialized experience in design professional insurance.
- Our team holds industry-recognized certifications including CIC and CISR designations.
- We provide access to a/e ProNet's exclusive risk management resources and tools.
- Our independent broker status ensures unbiased comparisons across top carriers.
- We guarantee personalized service with a focus on competitive pricing and protection.
Services
Professional Liability Insurance
Professional Liability Insurance protects design professionals against claims of negligence or inadequate work. We specialize in tailored policies for architects, engineers, and environmental consultants. Our coverage includes legal defense costs and settlements related to project-specific risks.
Business Auto Insurance
Business Auto Insurance covers company vehicles used for work purposes. Our policies protect against collisions, liability claims, and uninsured motorists. We offer flexible options for fleets of all sizes, including specialized coverage for contractor vehicles.
Workers Compensation
Workers Compensation provides benefits for employees injured on the job. We ensure compliance with state regulations while offering competitive rates. Our policies cover medical expenses, lost wages, and rehabilitation costs for workplace injuries or illnesses.
Group Health Insurance
Group Health Insurance offers comprehensive medical coverage for businesses. We partner with top providers to deliver customizable plans, including dental and life insurance options. Our solutions balance employee needs with employer cost-efficiency for companies of all sizes.
Cyber Liability Insurance
Cyber Liability Insurance safeguards businesses against data breaches and cyberattacks. Our coverage includes notification costs, legal fees, and regulatory fines. We provide risk assessment tools and incident response planning to minimize digital threats for modern businesses.
People
Lisa Greenberg
President
Lisa founded Cornerstone in 1985 after transitioning from personal lines insurance. With CIC designation and 35+ years of experience, she specializes in design professional insurance and risk management seminars. She negotiates competitive rates with major carriers while maintaining a client-focused approach.
Tina Cowie
Vice President
Tina has 40+ years of insurance experience, joining Cornerstone in 2003. She holds CIC, CISR, and ACSR designations, focusing on complex insurance solutions. Known for her attention to detail, she serves clients across multiple industries while maintaining a commitment to continuous learning.
Aimee Guesno
Senior Account Executive
Aimee has 18 years of experience at Cornerstone, earning CIC and CISR designations. She combines technical expertise with a client-first approach, specializing in commercial insurance. Outside work, she applies her improv comedy background to creative problem-solving for client needs.
Ashley Greenberg
Senior Account Executive
Ashley holds a Finance Risk Management degree from CSU Fullerton. She focuses on business protection solutions while bringing humor to client interactions. With expertise in construction industry risks, she ensures comprehensive coverage for contractors and commercial clients.
Sue Lusic
Account Executive
Sue transitioned from elementary education to insurance in 2012. With family ties to construction, she specializes in industry-specific policies. She combines teaching skills with technical knowledge to explain complex insurance concepts clearly to clients.
Questions
What types of insurance do you specialize in?
We specialize in professional liability, business auto, workers compensation, group health, and cyber liability insurance, with particular expertise in coverage for design professionals and construction industries.
How do you find competitive insurance rates?
As an independent broker, we compare policies across multiple carriers to negotiate competitive rates while maintaining comprehensive protection tailored to your specific risk profile.
Do you offer specialized insurance for architects and engineers?
Yes, we provide tailored professional liability policies and risk management resources through our affiliation with a/e ProNet, specifically designed for architects, engineers, and environmental consultants.
What are your office hours?
Our office is open Monday through Friday from 8:30 AM to 4:30 PM Pacific Time, excluding federal holidays. We offer after-hours contact options for urgent matters.
How can I request a quote?
Complete our online quote form or call us directly at (714) 731-7700. Our team provides personalized insurance assessments and timely policy comparisons for all coverage needs.
Reviews (2)
Jim Trauth
Nov 19, 2021
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We have enjoyed working with Cornerstone Specialty for many years - their client focus makes it feel as though you are the only client they have.
Hari Gupta
Apr 15, 2021
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Worst Walmart ever! There are no staff on store floor to ask questions or get help. Those that finally appear after a very long break have sullen faces and bad attitude.
