Welcome to Lewis, Detloff & MalavoltiProviding a full range of compliance and accounting services
for you and your business:
Accounting ServicesBusiness DevelopmentAccounting Software Setup & SupportTax ServicesEstate PlanningRetirement Account Planning... and more: View Our Services


Lewis, Detloff & Malavolti strives to be more than just an accounting firm but rather your partner and advocate. Our individualized service helps you set, reach, and exceed your financial goals and objectives.

Handing-ReportTo manage your business profitably, you need the right financial data, advice and services.

Our firm offers a complete range of accountingtaxpayrollbookkeepingnew businessretirement, and consulting services tailored to your business needs.

For your personal needs, services for individuals and families include tax preparationestateretirement, and divorce.


Our client portal provides the two-way transfer of information. It provides you with convenient online storage in which your files can be easily uploaded, downloaded, stored and shared in a safe and secure environment.  You have quick access to your tax returns, financial statements, payroll returns, and many other vital documents 24/7 from anywhere with an Internet connection.

At Lewis, Jacobs & Detloff, we don’t just crunch numbers – we help you interpret the data so that you can run your business and life more effectively.

Count on us to listen, give you top priority, and respond promptly.  We want to be part of your success.  For more information, contact us!


In business for over 20 years, Our two locations serve the Chicago area, including Schaumburg, Arlington Heights, Barrington, Rolling Meadows, Hoffman Estates, Palatine, Crystal Lake, McHenry county and more.

Industries include professional services, financial services, manufacturing, technology, non-profit, government, health care, real estate, and retail.


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