Quality Services for Businesses and Individuals

Affordable full accounting, bookkeeping and tax services with quality and professional service.

Best in Class.


Bastil has 12 years of accounting & taxation experience. Industries audited/worked include individual taxation, corporate taxation, M&A consulting, technology, buy & sell-side finance, biotech, retail analysis, real estate accounting, and manufacturing

In addition to providing top-notch customer care and service, we also offer the most affordable prices. We are upfront with our fees. Unlike many companies that have hidden fees and charges, we don’t hide anything from our clients. We will let you know what services you get and how much we’ll charge you. This is one of the things that set us apart from the others. We have a great reputation and will not allow anything to tarnish our record.

Let the experts at Bastil take care of your Financial needs. Our CPAs are ready to grow your business or portfolio.


We offer a comprehensive range of financial products and services, with exceptional customer service.

Bastil provides tax preparation and advice for its clients. We use the latest technology to prepare you taxes safely and securely.

Bastil specializes in tax planning for businesses,   not-for-profits, and individuals. We can work with your business needs from set up, to planning, to filing; whether you have a sole proprietorship, S Corp, C Corp, or partnership. 

Bastil provides accounting services for businesses, particularly micro-businesses, entrepreneurs, and start-ups. With the new tax laws, you need an expert to help guide you through today’s complicated regulations. We will make sure you get all the deductions you are entitled to. 

Bastil reviews your taxes and helps provide the best solution to help your money stay in your pocket. We work with you to reduce your tax liability. We recommend tax strategies to maximize your income, after taxes. We hold educational seminars to educate our clients about the latest news and changes in the law. 

Our Testimonials

We at Knowledge First Institute hold the quality of our instruction to the highest standard. Our quality of teaching is reflected in the reviews of our alumni and current students.

"Excellent school with well qualified teachers. Will actually recommend this school to people and friends."
Bobby Cletus
".. I will definitely recommend the school to all my friends. The most distinct part about the school is that they will help you get a job."
Carlina Santos

Ready to talk?

7517 Comstock Ln, Darien, IL, 60561

(630) 663-1232, (865) 767-2927


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