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Cornerstone Tax & Accounting, L.L.C.

About Us

Cornerstone Tax & Accounting, L.L.C., in Okauchee, WI, is the area's leading accounting agency that has been serving Lake Country and Waukesha County since 2005. We specialize in individual and business tax services. For all your accounting and tax preparation needs, contact Cornerstone Tax & Accounting, L.L.C. in Okauchee.
Ruth is available for appointments Tuesdays, Wednesdays and Fridays from 9:00 am to 2:00 pm

Areas Served

Our Professional Associations

National Association of Tax Professionals
Wisconsin Institute of CPAs (WICPA)

What We Offer

Our Services include:

Tax Preparation
Financial Statements
Individual and Business Tax Services
Bookkeeping

Our Brands include:

QuickBooks

Testimonials

On 7/27/2023 Davey Harrison had this to say:
This is our second year working with Ruth. Never had a bad experience yet!

On 7/27/2023 Kyle Geisberger had this to say:
Ruth has been taking care of my small business & personal accounting needs since 2017. She is helpful, responsive, trustworthy, honest, and effective. I couldn't be more thankful for the help, knowledge, & direction she has provided me with over the years. With that being said, I recommend Cornerstone Tax & Accounting for any of your accounting needs!

Contact Us

Cornerstone Tax & Accounting, L.L.C.
N50W34710 Wisconsin Ave Okauchee, WI 53069
Phone: (262) 244-7438
Fax: (262) 244-7599
Email: ruth@cstonetax.com

Off of Highway 16, serving a 20-25 mile radius

Where To Find Us

Payment Types Accepted

Visa, MasterCard, American Express, Discover, Personal Checks, Debit Cards, Cash

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 4:00 PM
Tuesday: 8:00 AM - 4:00 PM
Wednesday: 8:00 AM - 4:00 PM
Thursday: 8:00 AM - 4:00 PM
Friday: 8:00 AM - 4:00 PM