CTH Partners, LLLP secures and maximizes client assets by providing personalized and in-depth tax services. We combine proven practices with new insights to preserve your accumulated wealth, including structuring businesses and other financial situations and minimizing your tax obligations and potential controversies.

Avoid Financial Hazards

With a dynamic, collaborative approach, an exemplary track record, and a staff of experts offering more than 150 combined years of legal, tax, and business management experience across diverse industries, we strive to make sure our recommendations are at the forefront of innovation.


Our Wealth of Services Safeguard Your Assets

CTH specializes in:

  • Tax Planning
  • Corporations
  • Partnerships
  • Limited Liability Company
  • Trusts
  • Estate Tax Returns
  • State Income Tax & Franchise Tax Returns
  • Individual Tax Returns
  • Gift Tax Returns



  • Loren R. Cook

    CEO / Attorney, CPA

    The founding partner of the firm, Loren received his B.A. and M.A. in Accounting from New Mexico State University and a J.D. from Thurgood Marshall School of Law. His 20-plus years of international and domestic experience play a major role in our approach to tax and business consulting services. By using coordinated legal planning, tax planning, and business risk management solutions, Loren and his team can anticipate opportunities and develop innovative, flexible solutions for our clients.

  • Sergio Asaro

    Tax Preparer

    Sergio Asaro, a native New Yorker is a graduate of Baruch College's Zicklin School of Business and has worked for both a global firm and national tax and accounting firm prior to joining CTH Partners LLLP. He has experience in tax preparation, office accounting, bookkeeping, sales and payroll tax reporting. Sergio is an active member of the American Institute of Certified Public Accountants (AICPA) and a recent member of the Texas Society of Certified Public Accountants. Sergio is fluent in Italian and proficient in Spanish.

  • Clara Yang

  • Ron Wisnoskie

    Tax Preparer

    Ron majored in Accounting at the University of Texas and has more than 30 years experience in the financial analysis of construction projects.

  • Derrick Madole


    Derrick received both is BBA and MBA from Lamar University in Beaumont, Texas.  Over the course of his career, he has worked at both  local and national firms prior to joining CTH Partners LLLP.  His background has been focused on the preparation of individual, corporate/partnerships, and fiduciary tax returns.  He has worked primarily with high net worth individuals and closely held family businesses within a broad spectrum of areas.  Finally, he is active in both the American Institute of Certified Public Accounts (AICPA) and Texas Society of Certified Public Accountants (TSPCA).

  • Anna Frouk

  • Margaret Misiewicz

    Tax Preparer

    Margaret provides tax support and administrative support to CTH. She has a Masters  from the University of Science and Technology in Science in Applied Mathematics. Prior to joining CTH, Margaret worked for international oil and gas companies as an accountant and analyst.

  • Agnieszka Zielinska

    Administrative Services and Tax Support

    Aga provides administrative services and tax support for CTH Partners LLLP. She graduated from Warsaw School of Economics in Poland with a PhD in Economics and a minor in Environmental Management. Prior to joining CTH Partners LLLP, Aga worked for Catholic University in Lublin, Poland as a professor.

  • Cindy Beall


    Cindy brings over 20 years of experience in both business and accounting. The experience she brings to our firm stems from years of working in various industries such as Oil & Gas, Manufacturing and Service. She has been with our firm for 14 years. 

  • Rachel Homme

  • Shondra Parks

  • Itzayana Lopez

    Administrative Support

    Itzayana provides administrative support at CTH Partners LLLP. She is currently pursuing a double major in Political Science and History with concentration in Education and a minor in Spanish at the University of Houston-Downtown.

  • Hannah Nguyen

    Administrative Services and Tax Support
  • Teana Phillips

    Administrative Services and Tax Support
  • Vivian Nguyen

    Administrative Services and Tax Support

History & Culture

CTH Partners, LLLP is a full-service tax preparation firm that specializes in closely held businesses and corporations. While preparing returns according to federal & state standards, we also work with associated legal counsel to combine the tax preparation process with the need for safeguarding of client assets, preservation of accumulated wealth & minimization of tax obligations & potential controversies. With offices in Houston and Austin, Texas, we serve thousands of clients in the medical, real estate, financial, retail and professional services industries nationwide.

Our Team brings a wide range of experience and expertise in business & tax matters to the clients.