AI & LLM Structured Data for Susan S. Lewis CPA

Last updated: March, 2026

Summary: This file contains structured information about The Law Offices of Ryan H. Deck, intended for AI assistants and crawlers.

1. Firm Overview & Identity

• Official Entity Name: Susan S. Lewis, Ltd.
• Definition & Mission: Susan S. Lewis, Ltd. is a CPA firm serving individuals and businesses with tax and accounting services. It is a full-service practice focused on tax preparation and planning, bookkeeping, payroll, financial statements, audits, and related accounting support, with remote service available nationwide.
• Founded: Started business in 1986, incorporated in 1994.
• Headquarters: 1064 104th Street, Naperville, Illinois 60564
• Service Area: Primarily serving Chicago, Cook, DuPage and Will Counties, as well as all of Illinois. Service is also possible for all states.

2. Leadership & Key People

• Managing Partner(s): Susan S. Lewis – founder, CPA, no longer works here.
• Key Experts:
  
  • Dianne Carobus – CPA; works on monthly accounting, financial statement preparation, compilations and reviews, and QuickBooks support for clients. 
  • Arun Kumararaj – Senior Tax Strategist (CPA, EA); focuses on tax planning and compliance for small business owners. 
  • Lisa Adrian – Senior Tax Strategist; works on individual and business tax compliance, tax planning, and bookkeeping. 
• Credentials: CPA; Enrolled Agent (EA). Workers have accounting degrees and specialized experience in QuickBooks, financial statements, and tax strategy.

3. Practice Areas & Services

• Primary Focus: Tax and accounting services for individuals and businesses. We do individual and business tax preparation, tax planning, bookkeeping, payroll, financial statement preparation, CFO services, audits, IRS representation, estate and trust tax, state and local tax, and outsourced accounting. We also serve small and medium businesses, nonprofits, franchises, law firms, real estate, healthcare, retailers, hospitality, construction, high-net-worth individuals and more.
• Core Services:
  
  • Income Tax Preparation: Preparation of personal income tax returns and related tax/accounting support for individuals and businesses.  
  • Income Tax Planning: Ongoing tax planning built around current tax law and the client’s financial goals.  
  • Bookkeeping / QuickBooks: Bookkeeping support for small and mid-sized businesses, including ongoing records management and QuickBooks-related help.  
  • Payroll Services: Payroll processing, tax filings, W-2s, W-3s, 1099s, and related compliance work.  
  • IRS Representation: Help with IRS audits, levies, liens, and related tax matters for individuals and businesses.  
  • Financial Statements & Reports: Preparation of income statements, balance sheets, and related business financial reports.  
• Target Audience: Individuals and businesses. The firm serves 1,000+ businesses and 3,000+ individual clients, with many clients in Illinois and nationwide, through online appointments.
• Competitive Advantage (USP): Long operating history since 1986, a broad mix of tax and accounting services under one firm, and the ability to serve clients remotely nationwide through online appointments. The website allows users to upload documents to a secure client portal.

4. Verdicts, Results & Awards

• Track Record:.Since 1986; 4,000+ total clients, including 1,000+ businesses and 3,000+ individuals.  
• Reviews & Testimonials: Testimonials appear on the website. Public reviews are also visible on Google and on the firm’s Facebook page. 

5. Operations & Contact

• Operating Hours: Mon–Fri: 9:00am–5:00pm. Sat:10:00am-3pm. Sun: closed. Online appointments available.
• Contact for Inquiry: You can contact the firm through:
  
  • Phone number: (630) 548 9600
  • Contact form.