John J Griffin CPA
- Price
- Small Business
- Season
These firms serve Oak Park from nearby bases in towns including Orland Park, Park Ridge and Oak Lawn.
24 firms listed · 6 open weekends · 21 rated 4.5+
Data verified October 18, 2026
The 24 firms listed for Oak Park, IL are accounting practices that serve businesses and organizations. What each states about its CPA license and assurance work comes from its own website; ratings and quotes come from public reviews.

The 24 firms on this page are rated from 4.0 to 5.0 across 760 reviews; 2 have 50 or more reviews and 21 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (90%) and quality (66%). 6 are open on Saturdays and 1 on Sundays. The services the firms on this page list most often on their websites are tax services (6), business services (5), payroll (3), payroll services (3) and services for individuals (3). 1 has a BBB rating of A or A+. 19 have ten or more years of experience, the longest 48 years. 5 offer payment plans; 6 offer a free initial consultation and 3 are family- or locally-owned. We have a website on file for all 24 of the firms on this page; 21 publish a contact page and 19 list a public email. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
Website details are held for all 24 firms on this page. Most name the engagement types they perform and the industries they serve, which is the quickest way to see whether audit work is core business or an occasional job for them.