Olivier Miles Holtz, LLP

Olivier Miles Holtz, LLP Litigation Attorneys At the beginning of their careers, Kasey and Ashley surrounded themselves with exceptional attorneys who provided outstanding mentorship.

At Olivier Miles Holtz, we are a smaller boutique law firm that maximizes dedication to your case and offers a personal experience not found in larger firms. Since that time, Kasey and Ashley have demonstrated their success in the most sophisticated plaintiffs’ litigation cases against the toughest adversaries as well as criminal defense cases. With extensive experience in plaintiffs’ litigation a

nd criminal defense, we provide our clients with a rare mixture of big firm resources and small firm personal attention. Our attorneys have had extensive litigation experience in State and Federal courts throughout South Dakota and across the nation. While we are located in Sioux Falls, South Dakota, our firm represents plaintiffs in complex cases throughout South Dakota and nationwide. Learn more about our practice areas which include personal injury litigation, criminal defense, trust and wills litigation, business litigation, wrongful death litigation, and workers’ compensation.

The Hard Questions We Get Asked in Criminal Cases and What You Should KnowWe hear these questions all the time:“Should I...
06/26/2025

The Hard Questions We Get Asked in Criminal Cases and What You Should Know

We hear these questions all the time:

“Should I talk to the cops if I didn’t do anything wrong?”

“If I plead guilty, will I lose my job?”

“Will this mistake ruin my future?”

“I’m scared — what happens next?”

Here’s what we want people to understand:

✅ You are not required to answer police questions without a lawyer present. Even if you’re trying to clear your name, what you say can still be used against you. Politely ask for an attorney, it’s your right.

✅ Pleading guilty can carry lifelong consequences, not just jail or fines, but your job, housing, and even your ability to hunt or drive. Always talk to a lawyer before agreeing to anything in court.

✅ One mistake doesn’t define you, but how you respond to it might. The earlier you get legal advice, the more control you have over the outcome.

If you or someone you care about is facing criminal charges in South Dakota, we’re here to answer the hard questions and give honest guidance every step of the way.

If you need advice, please give us a call at 605-331-0609.

06/24/2025

Most people don’t reach out to a lawyer when life is going smoothly.

They call us when:

They’ve been seriously injured and the insurance company stops returning calls.

A family member’s farmland was transferred under suspicious circumstances.

A contractor walked off the job with half the money and left a mess behind.

A trusted business partner quietly drained the accounts and vanished.

They call when it feels like no one is listening and the damage is already done.

Here’s what we often tell clients in those first hard conversations:

Document everything—dates, names, details. It can make all the difference later.

Don’t sign anything under pressure. Once it’s signed, your options may be limited.

If something feels wrong, it’s worth asking about. Legal problems don’t get better with silence.

At Olivier Miles Holtz, we handle complex injury, fraud, and business litigation across South Dakota. If you need guidance, we’re ready to step in.

📍 Based in Sioux Falls. Serving clients statewide.

At Olivier Miles Holtz, we know legal problems don’t wait for the right time. When they come, you need someone who will ...
06/04/2025

At Olivier Miles Holtz, we know legal problems don’t wait for the right time. When they come, you need someone who will show up, fight hard, and guide you forward with clarity and purpose.

We represent individuals, families, and businesses across South Dakota in:

• Personal injury and wrongful death
• Business and contract disputes
• Estate litigation and contested wills
• Criminal defense -from serious charges to complex investigations

We proudly serve clients in Sioux Falls and throughout South Dakota, including small towns and rural communities. Whether you’re facing a legal crisis or just need trusted guidance, our team is here to help.

Call today to schedule a consultation or send us a message right here on our page.

Let’s move forward, together.

We are proud of our partners, Kasey Olivier and Ashley Miles Holtz, for securing this decision on behalf of our client. ...
06/17/2022

We are proud of our partners, Kasey Olivier and Ashley Miles Holtz, for securing this decision on behalf of our client. They worked extensively for more than two years to secure this result!

A Sioux Falls company should have received thousands of dollars more from its successful lawsuit over loss of rent at a building it owned, the South Dakota Supreme Court has decided.

Happy Veteran's Day to each and every person who has bravely served and sacrificed to defend our country. We are gratefu...
11/11/2021

Happy Veteran's Day to each and every person who has bravely served and sacrificed to defend our country. We are grateful today and every day for your service.

Today, we're celebrating all of the farmers and ranchers who work hard to keep us all fed! Thank you for all you do.
10/12/2021

Today, we're celebrating all of the farmers and ranchers who work hard to keep us all fed! Thank you for all you do.

We are excited to announce that Kasey Olivier and Ashley Miles Holtz were named by Super Lawyers® as Rising Stars for 20...
06/30/2021

We are excited to announce that Kasey Olivier and Ashley Miles Holtz were named by Super Lawyers® as Rising Stars for 2021. Congratulations Kasey Olivier and Ashley Miles Holtz!

The Rising Stars list recognizes no more than 2.5% of attorneys in each state. To make this determination, Super Lawyers® uses a patented multiphase selection process, including nominations, independent research and peer evaluations, which is the cross-checked with further independent research and evaluation of the attorney's professional achievement and recognition by peers. Candidates are then thoroughly evaluated within their practice area before they are selected.

****VERDICT ALERT****Not guilty on all charges. After being accused of simple assault, interfering with emergency commun...
06/25/2021

****VERDICT ALERT****

Not guilty on all charges.

After being accused of simple assault, interfering with emergency communications and contributing to the abuse of children, Ashley and Kasey secured a not guilty verdict for our client on all charges. Today was a good day for justice. It is always great to have a few moments after the verdict with your client.

11/23/2020

Our team is growing! Do you qualify? If so, please apply!

Olivier Miles Holtz is seeking a self-motivated, diligent and professionally minded full-time legal/office assistant to work in a litigation law office. Wages will be dependent upon experience.

A successful candidate will have knowledge and a willingness to conduct all administrative duties to include electronic filing, copying, scanning, scheduling and handling phone calls. The candidate must be self-motivated to be cognizant of deadlines and prioritize tasks to manage files.

Qualifications include computer proficiency, including the use of MS Office Suite, especially Excel, and Adobe Acrobat. A candidate must possess excellent communication skills, written and verbal, and directness is expected.

Please submit a resume to Kasey Olivier via email at [email protected]

Address

6210 S. Lyncrest Avenue
Sioux Falls, SD
57108

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