Formerly Thompson & Lengacher CPAs, we are pleased to continue to serve you as Clarity CPAs. Same team, same quality services.
Providing Expert Accounting Services

Trusted Tax Expertise. Delivered with Clarity.

You can trust us to handle your financial matters with the utmost professionalism and confidentiality. We are dedicated to building long-term relationships with our clients, based on trust and mutual respect. We offer a wide range of accounting solutions to help both businesses and individuals achieve your financial goals.

Local Support for All Your Financial Needs.

Trusted Experts for Your Finances

We are a full-service accounting firm serving clients throughout the St. Louis Metro region, dedicated to providing our clients with professional, personalized services and guidance in a wide range of financial and business needs.

Whether you need help with tax preparation, bookkeeping, or financial planning, we have the expertise to deliver seamless and accurate results

We provide both individuals and businesses comprehensive tax planning and preparation services designed to reduce tax liabilities, improve cash flow, and support your financial goals.

Our accounting services provide accurate record-keeping and reporting, as well as ongoing support for Quickbooks, bookkeeping, and payroll.

Ensure financial accuracy through detailed audits and trusted assurance.

We combine expertise and experience to produce financial projections that can help you manage your business plan and spending.

Trusted Tax Experts

Human Insight Meets Data Accuracy

Heather Clugston, CPA

Expert in audits and business accounting

Elizabeth Heil, CPA

Specialist in tax & wealth planning.