Hayes & Slunaker, LLP

Hayes & Slunaker, LLP Hayes & Slunaker, LLP (Formally known as Martz & Wilson, LLP) is a local, experienced accounting firm dedicated to providing comprehensive and affordable.

We offer a broad range of services for business owners, executives, and independent professionals Normal hours listed above. Tax season hours are extended considerably.

09/30/2026

⏰ It’s Tax Deadline Day!

Today, September 30th, is the deadline for extended Trust and Estate income tax returns (Form 1041).

Questions? Give us a call—we’re happy to help! 📅

09/15/2026

⏰ It’s Tax Deadline Day!

Today, September 15th, is the deadline for all extended S Corporation and Partnership tax returns, as well as third-quarter estimated tax payments.

If you have a payment due today, don’t forget to get it submitted! 📅

Questions? Give our office a call—we’re happy to help!

09/07/2026

Today, we celebrate the hard work, dedication, and contributions of workers across our communities and throughout the country.

From all of us at Hayes & Slunaker, LLP, we hope you enjoy a well-deserved day of rest, relaxation, and time with family and friends.

Wishing everyone a safe and Happy Labor Day! ❤️🤍💙

09/04/2026

In observance of Labor Day, our office will be closed Monday, September 7th.

We hope everyone has a safe and relaxing holiday weekend! We will resume normal business hours on Tuesday, September 8th at 8:00 AM.

Happy Labor Day from all of us at Hayes & Slunaker, LLP!

08/13/2026

📢 Temporary Office Hours Tomorrow, August 14th!

Please note that our office will have adjusted hours tomorrow, Friday, August 14th, and will be open from 8:00 AM – 12:00 PM.

We will resume our normal business hours of 8:00 AM – 5:00 PM on Monday, August 17th.

Thank you for your understanding, and we hope you have a wonderful weekend!

Today, we celebrate the freedoms and opportunities that make our country so special. As you gather with family and frien...
07/04/2026

Today, we celebrate the freedoms and opportunities that make our country so special. As you gather with family and friends, we hope your day is filled with laughter, good food, and memorable moments.

Wishing everyone a safe and joyful Independence Day. Thank you for allowing us to serve you—we're grateful for your trust and support.

❤️🤍💙 Happy Fourth of July! ❤️🤍💙

07/03/2026

Our office will be closed today, July 3rd, in observance of the Independence Day holiday weekend.

We will resume normal business hours on Monday, July 6th, at 8:00 AM.

We wish you and your family a safe, fun, and happy Fourth of July weekend! ❤️🤍💙

06/21/2026

Happy Father’s Day from all of us at Hayes & Slunaker, LLP 👔
Today we celebrate the dads who always 'account' (see what we did there?😉) for everything—your guidance, strength, and support never go unnoticed. Thanks for all that you do!

This Memorial Day, Hayes & Slunaker, LLP honors and remembers the brave men and women who made the ultimate sacrifice fo...
05/25/2026

This Memorial Day, Hayes & Slunaker, LLP honors and remembers the brave men and women who made the ultimate sacrifice for our country. 🇺🇸
We are grateful for your service and sacrifice—today and always.

05/10/2026

Happy Mother’s Day from all of us at Hayes & Slunaker, LLP 💐
Today we celebrate the strength, dedication, and love that mothers bring to everything they do—at home, at work, and beyond. Thank you for all that you do!

Address

712 Hanley Industrial Court
Brentwood, MO
63144

Opening Hours

Monday 7:30am - 5pm
Tuesday 7:30am - 5pm
Wednesday 7:30am - 5pm
Thursday 7:30am - 5pm
Friday 7:30am - 5pm

Telephone

+13146461040

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