DuPage County · Established 1988
Certified public accountants in Wheaton, Illinois
Jacobs & Newmark’s DuPage County office serves closely-held businesses in Wheaton, Glen Ellyn, Naperville, Downers Grove, Lombard, Winfield, Carol Stream, and West Chicago. Bookkeeping, payroll, financial statements, tax preparation and planning, and IRS representation — from an independent firm that has been here since 1988.
Wheaton office
106 E Liberty Dr., Suite 201Wheaton, IL 60187(847) 537-0100
Monday – Friday, 9:00am – 5:00pm
Fax (847) 537-0377
Communities served from here
- Wheaton, IL
- Glen Ellyn, IL
- Naperville, IL
- Downers Grove, IL
- Lombard, IL
- Winfield, IL
- Carol Stream, IL
- West Chicago, IL
Clients are not limited to one office. Both locations run on the same phone number and the same team, and meetings happen wherever suits the work — Wheaton, Buffalo Grove, your place of business, or by video.
Our Buffalo Grove office →What we do for Wheaton-area businesses
The books, the payroll, the returns, and the planning between them.
- 01General Bookkeeping
- 02Financial Accounting & Statement Preparation
- 03Reviews & Compilations
- 04QuickBooks Setup, Training & Cleanup
- 05Payroll & Sales Tax Compliance
- 06Cash Flow Management
- 07Bank Financing & Lender Reporting
- 08Strategic Business Planning
- 09Business Succession Planning
- 10New Business Formation
- 11Business & Individual Tax Preparation
- 12Tax Planning
- 13Tax Problem Resolution & IRS Representation
Specializations
Industries we know well enough to be useful in.
Veterinary Practices
Edward P. Newmark, CPA has more than twenty-five years in the veterinary industry, has worked with dozens of animal hospitals including practice valuations, and is a member of the Veterinary Hospital Managers Association.
Broker-Dealers & Securities Firms
Anthony Di John, CPA is licensed with the Financial Industry Regulatory Authority and holds the Series 27 and Series 99 licenses. He has served as Chief Financial Officer and Financial and Operations Principal at a financial services and investment banking firm.
Construction, Manufacturing & Distribution
John Whiston, CPA specialized in assurance and consulting for construction, manufacturing and distribution clients, including SEC registrants, at global and national accounting firms, and is a member of the Construction Financial Management Association.
Real Estate
Edward P. Newmark, CPA specializes in financial and tax accounting for small and medium sized, closely held businesses and has deep expertise in real estate.
Closely-Held & Family Business
Wayne I. Jacobs, CPA has over thirty years in public accounting across retail, service, construction, wholesale, and manufacturing, and joined his father Irvin Jacobs, CPA in practice in 1981.

Tell us about the business.
A first conversation is about what you run, how the books are handled now, and what prompted you to look. If we are the right firm we will say so, and if we are not we will say that too.
- DuPage County
- Wheaton, IL
106 E Liberty Dr., Suite 201 - Lake County
- Buffalo Grove, IL
100 Lexington Dr., Suite 210 - Hours
- Monday – Friday, 9:00am – 5:00pm
