Broker Check
AdviceWorks/Cetera

About Us

Helping You Pursue Your Life Goals

Since 1989, Nithman Financial Group has been helping clients pursue their goals by staying knowledgeable and curious. When we encounter new situations, we make it our business to dig deeper until we discover how to best serve our clients’ unique needs. This also creates a safe space for our clients to feel comfortable sharing information and asking questions. In fact, financial education is built into our process. We generously share our intellectual collateral with clients so they can learn from our experience and make informed financial decisions with confidence.

Meet Kathy Nithman

Kathy firmly believes in making knowledge a priority. Putting her beliefs into action, Kathy has earned several coveted designations over the years, including those of CFP®, RFC®, CWS® and CRC®, AIF®. Thanks to Kathy's example, the entire team at Nithman Financial Group shares in her passion to better serve our clients in their pursuit of financial success.

Katherine R. Nithman

Katherine R. Nithman CFP®, RFC®, CWS®, CRC®, AIF®

President & Certified Financial Planner

(405) 767-1230

(405) 767-9847

kathy@nithmanfinancialgroup.com

Kathy Nithman is founder and owner of Nithman Financial Group, a financial planning & investment advisory firm located in Oklahoma City, Oklahoma. Since 1989, Nithman has built her company with an emphasis on helping clients accumulate...

Read more
A Service-Oriented Team

A Service-Oriented Team

Helping others is at the core of our hearts and values here at Nithman Financial Group, and it starts with our Founder and President, Kathy Nithman. Kathy loves travel and learning about other cultures, and she is passionate about serving her local and global communities.

Since 2011 she has been actively involved in the Women’s Interfaith Group. She is also an active volunteer for Love’s Labor and is a member at St. Luke’s United Methodist Church where she has served in a number of roles. She currently sits on the St. Luke’s committee for Honduras Missions.

A Detailed, Hands-On Approach

A Detailed, Hands-On Approach

There's nothing automated about our service. Our team takes a hands-on approach, from answering your calls to helping you understand the various complexities of financial planning and investment management. Because you are unique, you become our focal point as we tailor all we do to suit your needs.

Our Core Values

Knowledgeable & Staying Curious

Since 1989 we’ve maintained a learning mindset about our work. When we encounter new details, we dig until we figure out what we need to know to better serve our clients.

Creating a Safe Space

We work hard to create a space where money is not a taboo subject. Clients feel comfortable sharing openly with us and asking the questions that weigh on their minds.

Don’t Just Work — Serve

In a world where true service can be hard to find, here at Nithman Financial Group, we are committed to providing the hands-on, personalized experience our clients need and deserve.

Educate for a Better Future

Finance can be complex. We share our knowledge with clients to help them understand where they are today and what needs to happen to take them where they want to go.  

Supporting Nithman Financial Group

Explore Cetera

Our Services

From estate planning to retirement to money management, we offer many personalized services to help you live the lifestyle you deserve.

Explore Services

Our Approach

Our client-first approach keeps the focus on your financial future and provides consistent, dedicated service at every step.

Our Approach

Our Team

Through hands-on personalized service and educational guidance, we help clients live the lifestyle they deserve at every life stage.

Meet the Team