Jonlyn & Associates Inc, CPA's
Assisting Illinois Business and Individuals in Accounting Tax and Financial Services

About Jonlyn

Jonlyn & Associates is a full service tax, accounting and financial services firm practicing in Wheaton and Bolingbrook, Illinois. We cater to a wide variety of clients ranging from individuals to medium-sized corporations. Our staff accountants, auditors and CPA's specialize in financial reporting, retirement planning, new business consulting, and financial services. Of course, in addition to our specialty areas, we also provide tax and accounting services, including tax planning and tax return preparation, auditing, and bookkeeping.

Jonlyn & Associates is a member of the Illinois CPA Society and the American Institute of Certified Public Accountants, the Wheaton Chamber of Commerce, the Warrenville Chamber of Commerce, and the Bolingbrook Chamber of Commerce.

Jonlyn & Associates, a Wheaton and Bolingbrook based Certified Public Accounting firm, assists local area business and professional individuals in all tax and financial matters to provide the tools and knowledge for their continued success.

Quality Assurance
Jonlyn and Associates has a formal system of quality control for its tax, accounting and audit practice.  The firm is enrolled in the AICPA Peer Review Program administered by the Illinois CPA Society. Every three years the firm undergoes an outside peer review.  We are proud to announce that we have passed those high standards in our latest reporting period including our audits of employee benefit plans.  The most recent acceptance report is dated January 22, 2010. 
Jonlyn CPA Peer Review Acceptance.pdf  

John V. Pezzullo, CPA and Linda G. Pezzullo, CPA commenced operations as Jonlyn & Associates in 1991. Over the years, the firm has grown steadily and rapidly, and now has six professional accountants to service a continuously growing clientèle of Businesses and Individuals. Today, with active practices in accounting and financial audits, income tax planning and preparation, and small business consulting, Jonlyn & Associates CPA's has evolved into a full-service accounting and consulting firm serving the greater Chicagoland area, specifically DuPage and Will County.  But we do not stop at the state boundaries.  We currently provide services in over 46 states.