About Nico

Nico Thomas is an Assurance Services partner in in the Firm’s Houston, Texas, office. With more than 14 years of experience, Ms. Thomas has served both public and private companies in the United States, with a primary focus on the energy industry, including upstream E&P, midstream, and oilfield services.

Ms. Thomas joined Marcum in 2022 from a “Big Four” accounting firm, where she specialized in U.S. GAAP in the Houston audit practice. Previously, she spent two years in the firm’s national office as part of the accounting services group, where she participated in accounting consultations and published various thought leadership.

Ms. Thomas is well-versed in business combinations, dispositions, discontinued operations, impairment, goodwill, segments, consolidation, equity method accounting, and revenue recognition.

Throughout her career, Ms. Thomas has led audit engagement teams through acquisitions, equity and debt offerings, impairments, various complex accounting issues, and annual evaluations of internal controls under Sarbanes-Oxley compliance standards for U.S. domestic companies.

Professional & Civic Affiliations

  • American Institute of Certified Public Accountants (AICPA)
  • Texas Society of Certified Public Accountants (TXCPA) – Houston chapter
Practice Focus

SEC Registration & Reporting
Sarbanes-Oxley Compliance
Debt and Equity Offerings
Business Combinations
Revenue Recognition


Masters in Accountancy
Trinity University, San Antonio, TX

Bachelor of Arts, Double Major, Mathematics and Accounting
Trinity University, San Antonio, TX