Big-Firm Expertise, Boutique-Firm Care. Your Trusted St. Louis CPA Partner

Your partners in reaching your goals

At Thousand CPA, we’re not just here to prepare tax returns — we’re here to be an active part of your team. Our entire staff is genuinely excited about helping clients reach their goals, celebrating wins along the way, and building strategies that make success feel achievable. Founded by Nicole Thousand in 2009, our firm was built on the foundation of supporting small businesses and being a trusted, familiar face to our clients. From day one, we’ve focused on education, proactive planning, and clear communication — so you always know where you stand and never face year-end surprises. Our experienced team works alongside you throughout the year, anticipating needs before they arise and keeping your finances aligned with your vision. Whether you need individual tax planning, business accounting and tax strategy, specialized support for your dental practice, or wealth management, our team is committed to making sure you feel confident, informed, and supported at every step.

Our Mission

We are passionate about helping small business owners achieve financial success through education.

Meet the Thousand CPA Team

The Thousand CPA team is more than a group of accountants — we’re your partners in success. Each of us brings unique expertise, a collaborative spirit, and a genuine passion for helping clients reach their goals. We believe strong relationships lead to better results, which is why we take the time to understand your business, your challenges, and your dreams. You’ll see us not only at tax time but throughout the year, checking in, celebrating your wins, and making sure you’re on track — with no surprises at year-end.

Nicole Thousand
Nicole Thousand, CPA
Founder
Matt Ott
Matt Ott, CPA
Partner
Colleen Mrazik
Colleen Mrazik
Partner
Mary Lynn Harig
Office Manager
Vicki McCallister
Billing Coordinator
Jessica Schopp
Jessica Schopp, CPA
Manager
Elaine Brauss
Tax Manager
Wendy Danneman
Senior Accountant
Dennis Zaretsky, CPA
Accountant
Joanna Krueger
Senior Accountant
Zoey Renaud
Zoey Renaud, CPA
Senior Accountant
Amber Hardesty
Accounting Manager
Ally Mahoney
Ally Mahoney
Staff Accountant
Dylan Sullivan
Dylan Sullivan, CPA
Supervisor
Melissa Epstein
Supervisor
Camryn Houston
Operations Coordinator
Molly Wilmes
Molly Wilmes
Staff Accountant
Sami Crigler
Sami Crigler
Senior Accountant
Porter
In Memoriam
Chief Morale Officer
Louis
Chief Morale Officer

Our Core Values

Relationships

We believe trust is built through genuine, lasting connections. We invest in knowing our clients and supporting them at every stage of their journey.

Positivity

We approach every challenge with optimism and a solutions-focused mindset, creating a collaborative and encouraging environment.

Continuous Improvement

We refine our processes, embrace new ideas, and challenge ourselves to deliver better results year after year.

Accountability

We refine our processes, embrace new ideas, and challenge ourselves to deliver better results year after year.

Our Awards & Recognition