Orsak Langner & Barthel PLLC is a full-service CPA firm in Houston, Texas, serving businesses, individuals, and nonprofits across the state. We provide accounting, tax, audit, and advisory services built on accuracy, responsiveness, and a genuine commitment to our clients’ long-term success.

We’d like to give you the opportunity to get to know our firm and our values before you come to see us. Our team blends technical expertise with the personal attention of a local practice—taking the time to understand your goals, your industry, and the details that matter before recommending a path forward.

From day-to-day bookkeeping and financial statements to proactive tax planning, IRS representation, and business advisory, our work is designed to bring clarity and confidence to your finances at every stage of growth.

Our Values

We provide outstanding service to our clients because of our dedication to a few underlying principles: integrity in everything we do, responsiveness that keeps you informed, and expertise you can rely on. These values guide every engagement and every relationship we build.

Who We Serve

Based in Houston’s Post Oak business district, Orsak CPAs works with companies and individuals throughout Texas—across construction, real estate, healthcare, oil and gas, manufacturing, professional services, nonprofits, and more. Whether you are an established enterprise, a growing business, or an individual with complex holdings, we tailor our services to fit your needs.

We invite you to explore our services or get in touch to see how we can support your financial goals.