About Our Sioux Falls Law Firm
Cadwell, Sanford, Deibert & Garry, LLP — full-service legal counsel in Sioux Falls, South Dakota.
Trusted Sioux Falls Law Firm Serving South Dakota Since 1891
Cadwell, Sanford, Deibert & Garry, LLP is one of the oldest and most established law firms in Sioux Falls, South Dakota. Our Sioux Falls attorneys represent businesses, banks, healthcare providers, nonprofits, municipalities, families, and individuals in state and federal courts throughout South Dakota.
Our Sioux Falls lawyers practice in civil and commercial litigation, business and transactional law, estate planning, real estate, banking and finance, employment, insurance coverage, healthcare regulation, intellectual property, and creditor rights. Clients come to the Cadwell Law Firm because our teams work together — a civil litigator, a corporate attorney, and a regulatory specialist can coordinate on the same matter in a single phone call.
We handle the bet-the-company commercial cases and the everyday legal needs of South Dakota families with the same senior-partner attention. Whether you need a trial lawyer in federal court, counsel on a business sale, an estate plan, or a municipal compliance question, our downtown Sioux Falls office is ready to help — or contact us to get started.
Disciplined Counsel for South Dakota Clients
The same priorities you see on our homepage and practice pages — clear communication, practical strategy, and respect for your time. From the first call, you’ll work with attorneys who explain your options in plain English.
Relationship-first
We invest time understanding your business, family, or public mission so legal advice fits real-world goals — not templates.
Trial & transaction depth
From bench and jury trials to business transactions and regulatory filings, our attorneys span litigation and transactional work under one roof.
Local & statewide reach
Rooted in Minnehaha County with active experience in every South Dakota circuit court and the U.S. District Court for South Dakota.
Ethical, direct counsel
We tell you what you need to hear — early risk assessment, realistic options, and disciplined, cost-aware execution.
Why Clients Choose Our Sioux Falls Attorneys
Four generations of South Dakota clients have returned to the Cadwell Law Firm because the firm combines institutional knowledge of the local bench and bar with the full-service depth of a much larger practice.
Institutional knowledge of South Dakota courts, regulators, and business communities — and the relationships that come with it.
Experienced attorneys lead your matter from intake through resolution.
Deep litigation, corporate, real estate, employment, and estate capabilities mean your questions can be handled by one coordinated team.
Our trial lawyers appear regularly in South Dakota circuit courts, the U.S. District Court for South Dakota, and the South Dakota Supreme Court.
No jargon walls. We explain strategy, cost, and probable outcomes so you can make informed business and family decisions.
Questions get answered promptly. Our downtown Sioux Falls office is reachable by phone, email, or in person.
South Dakota Legal Services Rooted in Sioux Falls
Our attorneys serve clients throughout Sioux Falls, Minnehaha County, and communities across South Dakota — with regular representation in state circuit courts and the U.S. District Court for South Dakota.
About our firm · FAQs
Common questions about the Cadwell Law Firm and our approach to South Dakota legal counsel.
When was the Cadwell Law Firm founded?
What is the firm's approach to client service?
What kinds of clients do you represent?
Are your attorneys admitted to federal court?
What should I bring to an initial meeting?
Do you handle pro bono and community work?
Still have questions? Contact our Sioux Falls office or call (605) 336-0828.