Certified Public Accountants

professional tax & Accounting services



For over 80 years, Roenfeldt & Lockas, P.C. has been serving Ottawa, Illinois and the surrounding areas. We offer a variety of services to a broad range of clients. We service over 1,500 business, governmental, and individual clients.

At Roenfeldt & Lockas, P.C., we will work one-on-one with you to get you where you want to go, and ensure you understand the route you are taking and why.


Roenfeldt & Lockas supplies the community with a wide variety of personal services. Our staff assists clients with income and estate tax returns as well as financial statement preparation. Our professionals are also highly skilled at navigating the intricacies of IRS notices (a free service for tax return clients).  


We offer all forms of accounting and regulatory compliance services. Our tax professionals are deeply experienced in advising corporations, family business owners, farmers, local business operators and others on complex transactions at the local and national level.


Our firm provides independent audit, attestation, transaction advisory services and AFR preparation. We provide clients with an independent and objective view of their financial condition and results of operations, while maximizing the transparency and reliability of financial information.