JL Accounting

Expert Tax Preparation Service Right Here in McHenry County, IL

Our Mission

Our firm is dedicated to consistently exceeding our client’s expectations. We anticipate their needs and understand their business objectives while helping them achieve their financial goals.

We provide knowledge and understanding of a full range of individual and business tax services built on our ethics-based principles. We hold ourselves accountable for doing what’s right, not what’s easy.


At JL Accounting, our focus is on your specific tax and accounting needs. Whether you are just starting a business and need information on sales or employment taxes, or you’re newly retired and need guidance on how to deal with property and investment taxes, we’ll walk you through just what you need to know, without boring you to sleep. We pride ourselves on our ability to communicate with clients in a way that makes tax information not so confusing, and our goal is to make you feel at ease. Our primary policy is “No intimidation,” and we make that clear right from our first meeting together. In addition, we love the process of taking something that can make you feel overwhelmed—your tax returns—and creating a masterpiece. A masterpiece that can save you a lot of money.

When you work with us, you’ll feel like you have a trusted friend helping you with one of the most important aspects of your adult life: Your finances. And at JL Accounting, you have just that. From your initial consultation all the way through to your 20th year of being our client, JL Accounting puts your needs first.

Contact us today to schedule your appointment and learn first-hand what it’s like to work with an accounting firm that provides professional and personal consideration of your financial needs, with no intimidation, guaranteed.


John R. Louise, EA
John took over the firm from his father Peter in 1994 and built its current location in Woodstock. Dedicated to McHenry County, the Louise family has been invested in the local community for more than 40 years. John takes great pride in his local roots, and his goal is to help make tax issues into non-issues for his neighbors and their families. John’s passionate about providing comprehensive tax preparation and business planning services. As a Business Owner himself, John knows there is a lot more to business accounting than filing your taxes every year. He’s made it his mission to develop life long relationships with his clients. John knows that in order to provide the best service, he needs to truly know his clients. It’s not uncommon for generations of clients to work with JL Accounting.

John and his wife Debbie enjoy spending time with their five children and six grandchildren as often as possible. They also love to travel. You can usually find them in Mexico every May. Family is their number one priority.

Jen MathisOffice Manager
Jen Mathis has been the Office Manager for JL Accounting since 2020. Jen brings years of knowledge and experience in human relations and resources, as well as finance from her previous career opportunities. Jen has exceptional organizational skills and some of her major strengths lie in providing clients with clear solutions to their questions and concerns.
Becca CassaraStaff Accountant
Becca Cassara joined JL Accounting in 2019 as a staff accountant. Becca has worked in public accounting in the accounting, and audit field for 6 years. She graduated from Illinois State University with a triple major in Financial Accounting, Finance, and Accounting Information Systems. In addition to her accounting knowledge and experience, Becca brings to JL Accounting detailed organizational skills, and development of processes and procedures.
Hector CarrionBookkeeper
Hector Carrion Hector joined the firm in March of 2022 and quickly became indispensable to the business clients of JL Accounting. He is certified in QuickBooks Online and has over 12 years of customer service experience. Hector is an organized individual that is motivated to help all clients grow as individuals and in business. Hector and his wife, Courtney have a young son and live in Woodstock. They are active in their church community.
Joe LouiseBookkeeper
Joe is a natural ‘numbers person’. He loves organizing data into a clear and useful set of financial information and is a helpful resource to the team.
Debbie LouiseProfessional Advisor
Debbie and her husband John love family and business! A repeat entrepreneur, Debbie owns a local child care and early education center, HOC Academy, in Woodstock and also runs a non-profit ministry. Graduating from National Louis University with a Bachelors Degree in Business Management was just one step on the path to pursuing and coaching others, in business development and optimization. Debbie is formally joining the team of JL Accounting this year, to provide Professional Advisory and Coaching to Business Owners and is now available for outside consulting.

Make An Appointment

Contact us today to schedule your appointment and learn first-hand what it’s like to work with an accounting firm that provides professional and personal consideration of your financial needs, with no intimidation, guaranteed.