Business Specialty Accounting

Tax Planning & Preparation


About Us

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Welcome and thank you for visiting our Website.

The accounting and tax firm of Sara Lassila, CPA, Inc. focuses on providing innovative financial solutions for businesses, individuals, and nonprofit organizations. Our clients are located primarily within the five state area of Minnesota, Wisconsin, Iowa, North Dakota and South Dakota. We do provide support for all states for tax return preparation.

Our dedication is to superior client service. By endeavoring to provide the highest quality professional service and guidance. Specialized CPA services include: Audit, Review, Compilation, tax services, CPA advisory services, and professional advice. Unique to our company is that our staff members have many years of hands on experience as controllers for companies in all stages of existence, providing our expertise in business analysis and architecting of accounting systems. We specialize in everything from setting up a start-up company’s accounting system and procedures, to remodeling existing accounting systems, or analysis of your system to create your accounting training manual and provide employee training. We even offer monthly accountant oversight if you do your own bookkeeping, or we can do your bookkeeping and payroll for you.

While browsing through our Website, please feel free to contact us with any questions or comments you may have - we'd love to hear from you. We pride ourselves on being proactive and responsive to our clients' inquiries and suggestions.






We believe an accountant should put your business needs first, educate you about compliance with regulations applicable to your business, and keep you apprised of tax rules that may affect you.


Sara Lassila, CPA, Inc. 

PO Box 202

Excelsior, MN 55331