Protecting Your Business, One Policy at a Time.
At Cornerstone Specialty Insurance Services, Inc., we are dedicated to providing comprehensive insurance solutions to design professionals, contractors, and individuals. As an independent insurance broker, we take our responsibility to represent you and your business to the insurance marketplace seriously, ensuring that we find the best program, both in pricing and protection.
Our History
Founded by Lisa Greenberg, our company has been providing insurance counseling and risk management services to our clients for over three decades. With a specialization in dealing with the complex needs of design professionals and the construction industry, we have built a reputation for providing personalized service and tailored insurance solutions.
Our Team
Our team of experienced insurance professionals is led by Lisa Greenberg, President, and Tina Cowie, Vice President. With a combined experience of over 60 years, our team has earned numerous designations, including Certified Insurance Counselor (CIC), Customer Insurance Service Representative (CISR), and Accredited Customer Service Representative (ACSR). We take pride in our ability to negotiate highly competitive rates with leading insurance companies and provide risk management, contract review, and seminars for our clients.
Our Services
We offer a wide range of insurance products and services, including:
- Professional Liability
- Directors & Officers Liability
- Employment Practices Liability
- Cyber Liability
- Project Policies
- Railroad Protective Liability
- Fiduciary Crime
- Business Auto Insurance
- Business Owners Policy (BOP)
- Commercial Package
- Contractors Wrap
- Earthquake Insurance
- Flood Insurance
- Excess & Surplus Lines
- Excess & Commercial Umbrella Policy
- Inland Marine Property Insurance
- Workers' Compensation
- Drone Coverage
- Sexual Abuse & Misconduct
- Life & Group Health
- Individual Life & Group Health
- Group Medical
- Group Dental
- Group Life
- Auto Insurance (Preferred & Non-Standard)
- Condo Owners Insurance
- Dwelling Fire Insurance
- Earthquake Insurance
- Flood Insurance
- Homeowner's Insurance
- Package Policies
- Recreational Vehicles
- Renter's Insurance
- Umbrella
Our Philosophy
At Cornerstone Specialty Insurance Services, Inc., we believe that insurance for your company is non-negotiable. We take seriously our responsibility to represent you and your business to the insurance marketplace, ensuring that we find the best program, both in pricing and protection.
Brokerage Services
Positive Experience with Cornerstone Specialty
The reviews praise the high level of professionalism and responsiveness of the brokerage services provided by Cornerstone Specialty. The clients are extremely satisfied with the excellent customer service, particularly mentioning Ashley's exemplary service. The brokerage firm is commended for its client-focused approach, making the clients feel valued and attended to.
Issue with Walmart Store
On the other hand, there is a negative review about a Walmart store, which is unrelated to the brokerage services. The reviewer had a poor experience at the store, citing a lack of staff on the floor to assist with questions or provide help. When staff did appear, they had bad attitudes and unfriendly demeanor.

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