What we see in Warrenville
Warrenville sits along the I-88 research and technology corridor, with the Cantera office development on its southern edge and Fermilab just to the west. Its businesses lean toward engineering, IT, research and professional services, with a smaller downtown of restaurants and local shops and a large share of residents in the forest preserves and subdivisions in between.
Engineers and IT consultants who leave a corporate role to work independently are a typical Warrenville client. The first two years of independent work raise the same questions every time: entity choice, retirement plans, quarterly estimates and how to price work so the business pays the owner properly.
Warrenville clients we work with most
IT and engineering consultants
Solo and small-firm consultants with 1099 and corp-to-corp income, S-Corp analysis and retirement plan setup.
Research and technical firms
R&D credit eligibility, contract revenue tracking and monthly closes that support grant or customer reporting.
Cantera-area professional offices
Small professional firms that need a controller-level monthly view without a full-time hire.
The tax issues that actually come up in Warrenville
These are the questions Warrenville owners and households bring to Net Cash Pro most often. Several are Illinois-specific, which is exactly where national tax software and out-of-state preparers tend to get things wrong.
The federal research credit for small firms
Small engineering and software firms often do qualifying research and never claim the federal research credit. A qualified small business can apply part of the credit against payroll tax, which matters for a young company that is not yet paying much income tax. The documentation has to be built as the work happens.
Illinois Personal Property Replacement Tax
Illinois charges an entity-level replacement tax of 1.5% on S-Corp and partnership income and 2.5% on C-Corp income, on top of the 4.95% flat individual rate and the 7% corporate rate. When an owner asks whether an S-Corp election "saves money", that 1.5% has to come out of the self-employment tax saved. Generic online calculators routinely leave it out.
Leaving a W-2 to consult
The first year of consulting usually brings a large tax bill because no estimates were paid and income arrived without withholding. Setting up an S-Corp at the right time, a solo 401(k), and a quarterly estimate schedule in month one prevents it.
Illinois Secure Choice for small employers
Illinois now requires employers with five or more employees that do not offer a qualified retirement plan to enroll their staff in the state Secure Choice program. For many small employers the better answer is a SIMPLE IRA or a small 401(k) that also gives the owner a deduction, but the decision has to be made deliberately before the state makes it by default.
Flat fees, published up front
Net Cash Pro does not bill hourly. Warrenville clients get a fixed price before any work starts, so a question in September does not turn into an invoice.
Federal + Illinois, e-filed
single-member LLC return
partnership return
starting price
Controller / CFO advisory starts at $1,995/month and includes everything in bookkeeping plus a monthly financial Scoreboard and Action Plan. See full pricing →
Frequently asked
Should my consulting business be an S-Corp?
Possibly. Once profit is consistently high enough, paying yourself a reasonable salary and taking the rest as distributions can save self-employment tax, but it adds payroll, a separate return and the 1.5% Illinois replacement tax. Net Cash Pro runs the actual numbers before recommending it.
Do you help small tech firms claim the research credit?
Net Cash Pro identifies whether a business likely has qualifying activities and expenses and helps it set up the documentation. For larger studies, the firm coordinates with specialists.
How much does a tax preparer cost in Warrenville, IL?
Net Cash Pro charges flat fees rather than hourly rates: $225 for a personal federal and Illinois return, $550 for a sole proprietor or single-member LLC, and $850 for an S-Corp, C-Corp or partnership. Monthly bookkeeping starts at $495 and Controller/CFO advisory at $1,995. Warrenville clients get the price in writing before any work starts.
Do Warrenville clients have to come to the office?
No. The Net Cash Pro office at 722 Huntington Dr, Carol Stream is about 15 minutes from Warrenville, and in-person meetings are available by appointment. Many Warrenville clients upload documents securely and meet by phone or video instead.
Talk to an Enrolled Agent about your Warrenville business
The first 30-minute consultation is free. Bring last year's return and we will tell you plainly whether there is money being left on the table.