Cornerstone CPA Group, PA

Cornerstone is a public accounting firm in Overland Park, Kansas. For nearly three decades, Cornerstone has advised small businesses and individuals in the Kansas City area. Whether you need help with your individual tax situation, assistance getting your business off the ground, accounting department outsourcing, or sophisticated tax advice from a seasoned CPA, Cornerstone can help.

This is how they help

ReIevant Tax Advice : Get advice from CPAs knowledgeable in small business tax and accounting matters.
Strategic Tax Deductions : Time your deductions. Get to the line, but don’t cross it.
Retirement : Pay yourself first, not Uncle Sam. Retire at your desired standard of living.
They’ve got your back : You focus on your business, we focus on the back office (payroll, bookkeeping, financial statements, etc.).

They believe that

They can help you grow your business.
You can get results out of your hard work.


Website Address:
Phone Number:
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Physical Address:
6420 West 95th Street, Suite 202,
Overland Park, Kansas 66212
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Cornerstone, CPA

At Cornerstone, CPA, all of the pieces come together. You get the depth of experience gained at the top local and international firms, combined with the individual attention that you need to succeed. They have been licensed and practicing Certified Public Accountants since 1996. This experience is offered to each of their clients. They do not send lower level staff to advise you. They like what they do and they treat each situation as if it were their own.
Wendy Hassiepen, CPA- Provides tax consulting and compliance services for individuals. She is a Certified QuickBooks Pro Advisor.

Wendy goes beyond return preparation, providing extensive tax planning and strategies to minimize state and federal taxes. She looks at every client’s tax return as if it were her own.

She is also the Director of Corporate Strategy at Cornerstone. In this role, she identifies major growth opportunities for The Cornerstone Group. She directs the firm’s business development, branding, and all promotional campaigns.

Prior to establishing Cornerstone, Wendy was with a Big Four accounting firm. She also has many years of banking experience to her credit.

Professional and Civic Associations

Delaware Society of Certified Public Accountants
Member New Castle County Chamber of Commerce
Adjunct Professor- Delaware Technical and Community College
Seminar Presenter for Thomson Reuters- TaxWatch University CPE

Website Address:
Phone Number:
(302) 377-7165
Fax Number:
(866) 848-2493
Physical Address:
273 E Main Street,
Newark, DE 19711
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