Overhead Solutions Group
Accounting Intern, Client Site Support
Gurnee, Illinois · On-site · Posted 2026-11-04
About Overhead Solutions Group
Overhead Solutions Group is a Forbes-recognized CPA firm serving nonprofit organizations, grant-funded entities, and mission-driven businesses. We help our clients strengthen their accounting systems, prepare for audits, meet grant and compliance requirements, and produce financial information they can use.
We are a small firm, so the work here is not narrow. People own their projects, work directly with clients, and see how a whole engagement fits together.
We hire and promote against five values: Excellence, Accountability, Integrity, Preparedness, and Impact.
The Role We're looking for an accounting or finance student who wants hands-on bookkeeping and audit experience. You'll spend most of your time on-site with clients in and around Waukegan. You'll organize their financial records, reconcile accounts, and help get their books ready for close and audit. You'll report to [Supervisor name] and check in regularly with our accounting team.
What You'll Do
• Travel to client sites, mostly in Waukegan and Lake County • Collect, scan, and upload receipts, invoices, and statements • Attach supporting documents to transactions in the accounting system • Find missing documentation and follow up with clients to get it • Reconcile bank, credit card, and other balance sheet accounts • Research and resolve reconciliation differences • Review transactions for proper documentation and coding • Help with month-end and year-end close • Prepare schedules and documents requested by auditors • Keep electronic accounting and audit files organized • Keep the OSG team updated on the status of your work
What You'll Learn
• QuickBooks Online and other cloud accounting systems • Bank and credit card reconciliations • Month-end and year-end close • Documentation standards and audit preparation • Nonprofit and small business accounting • Working directly with clients
This internship is a good fit if you're aiming for a staff accountant, audit associate, or client accounting role after graduation.
What You Need
• Currently pursuing a degree in accounting, finance, business administration, or a related field • Completed or currently taking introductory accounting • Strong organization and attention to detail • Comfortable handling confidential financial records • Able to work independently and follow set procedures • Clear written and verbal communication • Basic Excel or Google Sheets skills • Reliable transportation to client sites in the Waukegan and Chicago area
Nice to Have
• Bookkeeping, accounting, or administrative experience • QuickBooks Online experience • Familiarity with bank and credit card reconciliations • Interest in nonprofit accounting, audit, or public accounting
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