CPA firm · Naperville, DuPage County
Oak Brook Consulting Services, Inc.
CPA firm (public accounting firm license) · first issued 2021 (5 years).
✓ License current✓ Checked Oct 21, 2026✓ No discipline in IDFPR data
About this record
This page shows what IDFPR publishes about license #066005462. IDFPR data has no phone, email, website or specialties for this firm; the licensee can add them by claiming the listing. IDFPR’s license lookup is updated daily.
More CPAs in Naperville
All 836 in Naperville →CPA · NapervilleCaitlin B O'MalleyLic. #065033876Since 2007Licensed · current · checked Oct 21, 2026CPA · NapervilleTaylor J O'MalleyLic. #065064184Since 2026Licensed · current · checked Oct 21, 2026CPA · NapervilleJeanine Renee O'MearaLic. #065025962Since 1999Licensed · current · checked Oct 21, 2026CPA · NapervilleDanielle OberheuLic. #065058423Since 2022Licensed · current · checked Oct 21, 2026CPA · NapervilleRichard OchenkowskiLic. #065038251Since 2011Licensed · current · checked Oct 21, 2026CPA · NapervilleJoseph OddoLic. #065057348Since 2021Licensed · current · checked Oct 21, 2026