William Clawson
CEO, Advanced Tax Strategist, Fractional CFO
Endeavor Financial Insights
Missoula and Oklahoma City, Montana and Oklahoma, United States
About William Clawson
William “Bill” Clawson is an experienced business advisor, tax strategist, and the CEO of Endeavor Financial Insights, a financial services firm based in Missoula, Montana. He has worked in accounting, finance, and small business leadership for over 30 years. His career has focused on helping business owners reduce taxes, improve financial systems, and plan for long-term growth.
Clawson graduated with honors from the University of Montana in 1993, earning a bachelor’s degree in Business Administration with a concentration in accounting. During college, he served as President of the Sigma Nu Fraternity.
From 1993 to 2012, Clawson owned and operated Clawson Windows, a building industry business. He later transitioned into financial consulting, founding Clawson Consulting, LLC in 2012. Between 2015 and 2018, he also worked as a management consultant with New Era CPAs LLP in Seattle, Washington.
In 2015, Clawson founded Endeavor Financial Insights. His company specializes in advanced tax planning and fractional CFO services for small to mid-sized businesses. He leads a team that provides financial strategy, key performance indicator tracking, and business maturity planning.
Clawson has held leadership roles in several industry organizations. He served as President of the Missoula Building Industry Association and Chairman of the Timber Products Manufacturers Trust. He also volunteered as Treasurer for Habitat for Humanity from 1995 to 2001.
He is based in both Missoula, Montana, and Oklahoma City, Oklahoma. He continues to advise clients on business planning, tax strategy, and financial operations.
Areas of Focus
Career Background
Endeavor Financial Insights
Clawson Consulting, LLC
New Era CPAs LLP
Clawson Windows
TPM Trust
Education
Media

Press
Awards & Recognition
- All-State High School Wrestler – 1988
- All-American Trapshooting Team – 1988
- Amateur Trapshooting Association Hall of Fame Scholarship – Amateur Trapshooting Association – 1988
- Top Male Student (GPA) – Sentinel High School – 1988
- President, Sigma Nu Fraternity – University of Montana – 1991
Charities & Volunteering
- Habitat for Humanity, Treasurer, January 1995 – January 2001
Boards & Memberships
- Missoula Building Industry Association – Board Member (2004–2010), President (2009–2010)
- Timber Products Manufacturers Trust – Board Member (2001–2011), Chairman (2009–2011)
Frequently Asked Questions
What does William Clawson do?
William Clawson is CEO, Advanced Tax Strategist, and Fractional CFO at Endeavor Financial Insights, a financial services firm he founded in 2015. He advises small to mid-sized business owners on tax planning, financial strategy, and fractional CFO services.
What is William Clawson known for?
Clawson is known for over 30 years of work in accounting, finance, and small business leadership, focusing on helping business owners reduce taxes and plan for long-term growth. He has been featured in press headlines for championing discipline and planning in business.
Where is William Clawson based?
Clawson is based in both Missoula, Montana, and Oklahoma City, Oklahoma.
Where did William Clawson study?
Clawson earned a Bachelor of Science in Business Administration with a concentration in accounting from the University of Montana's School of Business Administration, graduating with honors in 1993.
Who does William Clawson work for?
Clawson works for Endeavor Financial Insights, a financial services firm based in Missoula, Montana, where he serves as CEO.
Last updated February 20, 2026