Cornerstone Tax Service, Inc.

Cornerstone Tax Service, Inc. Firm foundations, solid solutions! For all your tax preparation needs, contact Cornerstone Tax Service, Inc. in Frankfort and Jennifer B.

Wozny and her team will help take care of you! Firm Foundations, Solid Solutions

Jennifer B. Wozny and her team at Cornerstone Tax Service, Inc., located in Frankfort, IL, are the area's leading experts in tax preparation, proudly serving Frankfort, Mokena, New Lenox, Tinley Park, and surrounding areas since 2015. Specializing in both business and personal tax preparation, they also offer payroll

services, bookkeeping, and sales tax solutions. For all your tax-related needs, reach out to Cornerstone Tax Service, Inc. in Frankfort for professional and reliable assistance! Services:
Tax Preparation
Tax Guidance
Tax Law Changes
Sales Tax
Payroll Service
Self-Employment
Tax Cuts and Job Act Guidance
Business Advisory
Business Planning

Specialties:
Personal, Corporate, Partnership and Nonprofit Income Tax
Payroll
Tax Preparation
Payroll Service
Bookkeeping
Self-Employment
Sales Tax
Brands:
QuickBooks
UltraTax

Associations:
National Federation of Independent Business (NFIB)
Better Business Bureau - A+ rating

Reminder: 3Q estimated taxes are due Tuesday, September 15th. Here are some things to consider.
09/04/2026

Reminder: 3Q estimated taxes are due Tuesday, September 15th. Here are some things to consider.

If you have not already done so, please plan to make your third quarter estimated tax payment. The due date is Tuesday, September 15th.

Small financial moves can pay off for years. Discover tax breaks for education, simple tax-planning strategies, ways to ...
09/02/2026

Small financial moves can pay off for years. Discover tax breaks for education, simple tax-planning strategies, ways to make banks compete for you, and how to avoid the technology upgrade tax.

College and trade schools are investments that can pay dividends for years. The same can be true of a few smart tax habits repeated year after year. In this month’s newsletter, we take a closer look at tax breaks for post-secondary education along with practical tax planning moves that can del...

Charitable deductions are frequently challenged or denied during an IRS review. Protect your deduction by understanding ...
08/28/2026

Charitable deductions are frequently challenged or denied during an IRS review. Protect your deduction by understanding the documentation and requirements before making a donation.

Too often a charitable tax deduction is disallowed upon review by the IRS. Don't let this happen to you. Here is what you need to know.

When an interest rate matters. This is what you need to know.
08/21/2026

When an interest rate matters. This is what you need to know.

The IRS often sees the transfer of funds as a loan, whether there is a loan agreement or not. This also means there is an implied term and interest payment. When the IRS says a transaction is a loan, what interest rate do they use? Enter AFRs. Here is what you need to know.

The amount of your tax bill is often dependent on your age and the age of your children. You need to plan accordingly. H...
08/14/2026

The amount of your tax bill is often dependent on your age and the age of your children. You need to plan accordingly. Here are the details.

As your children age, you can easily be surprised by a larger tax bill. To help ease the possible burden, here are some possible tax hits to prepare for as your children grow older.

📚 Is Your Business Ready for the Second Half of the Year? August is the perfect time for a mid-year bookkeeping checkup....
08/13/2026

📚 Is Your Business Ready for the Second Half of the Year?

August is the perfect time for a mid-year bookkeeping checkup. Keeping your financial records accurate and organized now can help you make informed business decisions and avoid costly surprises during tax season.

At Cornerstone Tax Service, Inc., we provide professional bookkeeping services designed to help business owners stay on top of their finances year-round. Whether you need ongoing support or help getting caught up, our team is here to help.

✅ Organized financial records
✅ Better business insights
✅ Less stress at tax time

📞 Contact Cornerstone Tax Service, Inc. today at (815) 464-8005 to learn more about our bookkeeping services in Frankfort, IL.

Time to plan for new contribution levels for your health savings account. Find the 2026 limits here.
08/07/2026

Time to plan for new contribution levels for your health savings account. Find the 2026 limits here.

Contribution limits for the ever-popular health savings account (HSA) are outlined for 2026. Now is a great time to review your situation and make adjustments as appropriate.

Tax savings come in all shapes and sizes. Here are some life events that require your attention if you do not wish to ha...
08/05/2026

Tax savings come in all shapes and sizes. Here are some life events that require your attention if you do not wish to have a tax surprise latter on during the year.

Sometimes the biggest financial opportunities come from paying attention to the details. In this issue, we highlight the details of several tax rules that can impact many of your life's important milestones. You'll also find an overview of the increased business mileage rates for the second half of....

Before school gets going this fall, check out these school expenses that might help you decrease your tax bill.
07/31/2026

Before school gets going this fall, check out these school expenses that might help you decrease your tax bill.

Time to buy school supplies? Pay for field trips? Is any of this tax deductible? Here are some ideas to find a tax break in the back-to-school rush.

If you're age 70 or older, you can transfer up to $100,000 (or a total of $200,000 for joint filers) directly from your ...
07/24/2026

If you're age 70 or older, you can transfer up to $100,000 (or a total of $200,000 for joint filers) directly from your IRA to a qualified charitable organization without paying any tax.

Even though the higher standard deduction limits make charitable deductions harder to find, there are still great options to find tax breaks within your charitable giving. Here are some great tips.

Address

9645 Lincolnway Lane Suite 209
Frankfort, IL
60423

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm

Telephone

(815) 464-8005

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