About Us

Being a small CPA company years back, today, we’re a bustling and vibrant full-service public accounting firm serving everyone from individuals to corporations. One thing that’s remained constant: an emphasis on exemplary service.

Get in Touch Today

About Our CPA Company

While there are many CPA firms in Chicago alone, here's what makes us so special and trusted by our clients:

Susan S. Lewis, Ltd. has a deep history of delivering exceptional accounting services. Since 1986, we’ve provided comprehensive tax and accounting solutions for individuals and businesses. We’re national in scope and have served thousands of clients since our inception.

About Our CPA Company.
We are your trusted advisor.

With a focus on highly personalized services, we unburden clients of headaches, hassles and worries. We’re dedicated to keeping you financially healthy and on a secure path to reach your goals.

We are your trusted advisor — through the good, the crazy, and the unexpected.

Meet Our Team

Our professional CPA firm has a deep history of delivering exceptional accounting services. Since 1986, we’ve provided comprehensive tax and accounting solutions for individuals and businesses. No matter the industry or size of the business, our team of experts is always there for you.

Dianne Carobus photo.

Dianne Carobus

CPA, Quickbooks & Financial Statements
As a CPA, Dianne has specialized in monthly accounting, financial statement preparation, compilations and reviews for Susan S. Lewis Ltd.'s clients. Working with the firm since December 2006, she loves helping small businesses and the interaction she has with business owners on a daily basis. Dianne also has extensive QuickBooks and other accounting software knowledge and has spent many hours assisting and training clients with their bookkeeping tasks. She has relocated to a warmer climate, and when not crunching numbers, loves to craft, travel, and play golf.
Patti Iwinski photo.

Patti Iwinski

Associate, Payroll Services
Patti brings years of accounting expertise and manages the weekly, biweekly and monthly  payrolls for clients. She's also an active member of several not-for-profit organizations, including the St. Charles Moose Family Center, which provides support for children and seniors in need. She'll never pass up a raffle ticket for a good cause-which recently resulted in her winning a custom-made motorcycle.

Tanner

Office Administrator
Tanner is the Office Administrator who helps keep the office running smoothly behind the scenes. She supports daily operations by staying organized, handling essential administrative tasks, and making sure everything is in place for the team to succeed. She believes that life is better with a little laughter, a lot of LEGO, and plenty of family time, and outside of work she enjoys building LEGO sets, spending quality time with her fiancé and son, and enjoying life with her growing family.

Lisa Adrian

Senior Tax Strategist
Lisa Adrian is a Senior Tax Strategist with 18 years of experience providing comprehensive tax and accounting services to individuals, small businesses, and nonprofit organizations. Her areas of focus include individual and business tax compliance, tax planning, and bookkeeping, and with a degree in accounting she is committed to delivering accurate, thorough, and strategic guidance in an ever-changing tax environment. Lisa approaches each engagement with professionalism and attention to detail, supporting clients in achieving compliance and informed financial decision-making.

Peter Budzinski

Tax Specialist
Peter Budzinski graduated in May of 2024 from North Central College with a degree in Business Administration Economics and is a first-year Tax Specialist with a strong background in client service and a commitment to accuracy and professionalism. He is currently working on his Enrolled Agent certification and plans to pursue a master’s degree in accounting to expand his knowledge and experience, with the goal of providing every client with a positive, thorough experience while continuing to grow professionally at Block Advisors so he can better serve clients and the team.

Kim Hughes

Associate Office Manager
Kim Hughes is the Associate Office Manager with over 18 years of entrepreneurial experience and more than two decades in leadership roles at H&R Block and Block Advisors, bringing a unique blend of business acumen and people-first values to her work. She’s passionate about creating a welcoming, family-like environment where clients feel cared for and teams thrive, and her mission is simple: inspire collaboration, encourage positivity, and make success enjoyable for everyone involved. Outside of work, she loves camping, fishing, hiking, and cruising around the campground on a golf cart, and she enjoys cooking, crafting, and dancing in the kitchen with her four kids and six grandbabies.

Arun Kumararaj

Senior Tax Strategist (EA)
Arun Kumararaj is an Enrolled Agent (EA) and Senior Tax Strategist with eight years of experience helping small business owners navigate the complexities of tax planning and compliance. A proud NIU Huskie, Arun has passed all sections of the CPA exam and specializes in transforming accounting into clean, accurate financial records that give business owners confidence in their numbers. His goal is simple: help clients sleep better at night knowing their tax situation is handled proactively, not reactively. When he’s not untangling financial puzzles, you’ll find him planning his next adventure — he recently summited Mount Fuji and is currently training for his trek to Machu Picchu in Peru — because he believes preparation and the right strategy make all the difference.

We stay by your side.

We are a perfect combo of practical & optimistic .

Benefits

Monitor icon.

Our Technology Stack

We do our best to always stay on top of modern cutting-edge software, hardware, and techniques. This way, we can ensure that our clients get only the best customer-focused audit & accounting services, that will reflect their business goals and needs.
Chat icon.

Great Level of Communication

We believe effective communication is key to every successful partnership. That’s why we keep you informed, involved, and supported at every step. Whether it’s a quick update, a detailed walkthrough, or answering your questions, we’re always accessible and ready to ensure you feel confident and understood.
Clocks icon.

Expedite Service

We know exactly how time-critical reporting and bookkeeping procedures can sometimes be. This is why our experts optimized their time management skills to near perfection. Get your accounting done in the shortest of time, without sacrificing the quality and the thoroughness of the job.

Client Reviews

Quotes icon
We have been using Susan for over 20 years, she has provided excellent service and helped us through many of our life changing moments: new homes, college expenses, employment changes and more. We would recommend her for all your financial needs.
Michael Parent
5.0
We have been working with Susan for many years and we love working with her. She is very attentive, detail oriented, and has her customers best interests in mind. We highly recommend her.
Lea Pinsky
5.0
Susan and her entire staff are, simply, perfect. They know exactly what they're doing, everything runs smoothly, and they treat customers like old friends. I would recommend them to anyone.
Michael Chaffee
5.0
arrow left icon.
arrow right icon.

Ready to Start?

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Logos.
Logos.
Logos.
Logos.
Logos.
Logos.