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Business Details
28 Years
experience
Your Trusted Legal Partner for Complex Matters
Callahan Law has been empowering clients to pursue their passions through sophisticated legal counsel for over 25 years. Our firm specializes in nonprofit and tax-exempt organization law, intellectual property, estate planning, business transactions, and bankruptcy, serving clients ranging from individuals to Fortune 100 companies. With expertise in navigating complex legal frameworks, we provide tailored solutions while maintaining a commitment to education through teaching roles at Evangel University and Southwest Baptist University.

Our practice combines practical experience with academic rigor, having authored publications on nonprofit law and served on professional advisory councils. We prioritize transparent communication and fixed-fee pricing to ensure clients can focus on their missions without unexpected legal costs.
Services
Nonprofit Law Intellectual Property Estate Planning Business Transactions Bankruptcy Services
Details
  • Year established: 1998
Highlights and features
  • We offer 25+ years of experience in nonprofit and tax-exempt organization law
  • Our firm provides fixed-fee pricing for transparent legal services
  • We combine practical legal experience with academic expertise through university teaching roles
  • Our practice serves both local churches and national Fortune 100 companies
  • We maintain active involvement in professional advisory councils and legal education
What people say
Smart, creative, honest Full of integrity True partner in legal counsel Expert legal assistance Caring attitude
Services
Nonprofit Law
We specialize in forming and advising nonprofit organizations, handling tax-exemption applications, and guiding religious institutions through complex legal frameworks. Our services include entity formation, IRS compliance, governance policies, and mergers. With over 25 years of experience, we've successfully prosecuted hundreds of tax-exemption applications and maintain a 100% success rate with IRS determinations.
Intellectual Property
Our practice protects creative works and business assets through trademark registration, copyright protection, and licensing agreements. We serve authors, artists, and technology companies with document preparation and enforcement strategies. Our approach combines legal protection with business strategy to maximize asset value while maintaining cost predictability through fixed-fee structures.
Estate Planning
We create customized estate plans for diverse clients, from simple wills to complex trusts for high-net-worth families. Services include wills, trusts, powers of attorney, and advanced medical directives. Our approach balances legal requirements with personal circumstances, ensuring protection for future generations while maintaining accessibility for clients at all financial levels.
Bankruptcy Services
We guide individuals and businesses through Chapter 7 bankruptcy proceedings to achieve financial fresh starts. Our practice handles creditor negotiations, asset protection, and court representation. With experience serving hundreds of clients, we provide compassionate counsel while maintaining strict ethical standards and transparent pricing structures for debt resolution.
Business Transactions
We assist businesses from formation through growth with entity selection, contract drafting, and tax planning. Services include business structure analysis, transaction documentation, and strategic compliance guidance. Our practice supports startups and established corporations with tailored solutions that balance liability protection and tax efficiency for sustainable business development.
People
Kevin O'Leary Callahan
Owner and Lawyer
With over 25 years of experience, Kevin specializes in nonprofit law, intellectual property, and estate planning. He teaches at Evangel University and Southwest Baptist University, has co-authored legal publications, and maintains active involvement in professional advisory councils. His practice combines academic expertise with practical legal solutions for diverse clients.
Questions
What legal areas does Callahan Law specialize in?
We focus on nonprofit law, intellectual property, estate planning, business transactions, and bankruptcy services.
Do you offer fixed-fee pricing for legal services?
Yes, we provide transparent fixed-fee pricing for most practice areas including nonprofit formation and estate planning.
How experienced is your firm with nonprofit organizations?
We have 25+ years of experience forming and advising nonprofits, with a 100% success rate on tax-exemption applications.
Can you assist with both local and national clients?
We serve clients in Missouri, Colorado, and nationwide through appropriate legal registrations and virtual consultations.
What educational credentials do your attorneys hold?
Our lead attorney teaches at two universities and has authored multiple legal publications on nonprofit and business law.
How do you handle complex estate planning needs?
We create customized plans for clients ranging from simple wills to complex trusts for high-net-worth families.