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A Simple Bookkeeping Checklist for Illinois Small Business Owners

  • Bookkeeping
  • By Infinite Accounting Services
  • 2 minute read

A weekly, monthly, quarterly and year-end bookkeeping checklist for Illinois small business owners, with simple habits that keep your books current and make tax season far less stressful. This guide comes from Infinite Accounting Services, a bookkeeping and tax firm in Orland Park, Illinois.

Good bookkeeping is less about talent and more about rhythm. When small tasks happen on a regular schedule, your books stay current, tax season is calmer, and you always have a clear picture of how the business is doing. Here is a simple checklist, broken down by how often each task should happen.

Start with the foundation

Separate business and personal money

Open a dedicated business checking account and, if you use one, a business credit card. Mixing personal and business spending makes every later step slower and can make it harder to support your deductions if questions come up.

Keep receipts digitally

Pick one home for receipts, such as a folder on your computer or your accounting software's receipt feature. Snap a photo when you buy something and paper receipts stop being a problem.

Weekly tasks

  • Record sales and deposits and match them to invoices.
  • Categorize new transactions so they don't pile up.
  • Check your bank balance and the bills coming due.

Monthly tasks

  • Reconcile every bank and credit card account to its statement. This is the most useful habit for catching errors, missed entries and duplicate charges.
  • Review accounts receivable and follow up on overdue invoices.
  • Review accounts payable so bills are paid on time and never twice.
  • Run a profit and loss statement and compare it to last month. Ask whether anything looks unusual.
  • If you run payroll, confirm payroll records match what left your bank account.

Quarterly tasks

  • Look at your profit and loss and balance sheet for the quarter as a whole.
  • Review whether you need to make estimated tax payments, and set money aside.
  • If you collect sales tax, keep those records organized and confirm your filing schedule with the Illinois Department of Revenue (opens in a new tab).

Year-end tasks

  • Make sure all 12 months are reconciled.
  • Confirm you have current contractor details so any required 1099 forms can be prepared. Check the IRS website for current requirements.
  • Gather records of asset purchases, loans and owner draws or contributions.
  • Run year-end financial statements and share them with your tax preparer.
  • Store the year's records safely. The IRS generally recommends keeping records for at least 3 years, and longer in some situations, so ask us about your case.

Pick the same time each week for your weekly tasks. A short, regular habit is much easier than a weekend of catch-up later.

When the checklist slips

Most owners fall behind at some point. If you're several months behind, our catch-up and monthly bookkeeping services can bring your books current and keep them there. Clean books also make business tax preparation much smoother.

This article is general information, not tax or legal advice, and every business is a little different. If you're in Orland Park or a nearby suburb and want help building a routine that fits your business, we offer a free initial consultation. Call or text (708) 232-3003.

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